Cobalt chloride-containing silica gel is an especially hazardous waste and should be disposed of as such to limit these harmful environmental effects. Video. They are even less prone to produce dust or carcinogenic volatiles even when heated to a hundred or so degrees. Cobalt Chloride; Desiccant : Chemical Desiccant; More . The silica gel desiccant is made of silicon dioxide and formed into hard beads 2-5 mm in . Workplace Enterprise Fintech China Policy Newsletters Braintrust small white worms with black heads Events Careers google search operators examples Cobalt Chloride Free Silica Gel Desiccant with Clear OPP Film, Find Details and Price about OPP Bag Desiccant Desiccant from Cobalt Chloride Free Silica Gel Desiccant with Clear OPP Film - Suzhou Sky Industrial Co., Ltd. While some manufacturers have created silica gel with lower amounts of cobalt chloride in an attempt to reduce hazards, one company, Nantong OhE Chemicals, has created a unique silica gel product . High Moisture Absorption Calcium Chloride Desiccant Bag Moisture Absorber China Wholesale Desiccant Manufacture . One commonly used indicator is cobalt chloride (CoCl 2 ). Co., Ltd. . A desiccant is a substance that absorbs water. The material is an all-purpose drying agent. 1/6. Supplier > 5.0 Starting as a deep blue color when it is dry and will gradually turn pink as it . Shenzhen Chunwang New Materials Co., Ltd. DRIERITE is an all-purpose drying agent for the efficient and rapid drying of air, industrial gases, refrigerants, organic liquids and solids. Often some sort of humidity indicator is included in the desiccant to show, by color changes, the degree of water-saturation of the desiccant. The cobalt chloride is a deep blue color when it is dry and turns from blue to purple to pink as it becomes saturated with moisture. In aqueous solution, it can be used as ink that is almost invisible on paper. This desiccant is blue when dru and changes to pink upon absorption of moisture. 25 kilograms (Min Order) 6YRS. These desiccant bags are tailored to serve for specific industrial uses as the applications are wide in . List of desiccants: Activated alumina; Aerogel; Benzophenone; Bentonite clay; Calcium chloride; Calcium oxide; Calcium sulfate (Drierite) Cobalt(II) chloride; Copper(II) sulfate . The cobalt chloride will change colors indicating when its time to replace the desiccant. Silica gel is a granular form of Silicon Dioxide made from Sodium Silicate to produce an amorphously structured porous . The blotting paper used on this design is free of Cobalt Chloride and is manufactured to conform to EU R49 safety directive. The amount of Cobalt chloride in silica gel balls would be absolutely harmless. The carcinogenic stuff inside blue gel is a cobalt compound. This is the color changing cobalt chloride type. Desiccant Breathers Cobalt chloride is an inorganic, crystalline compound that appears as a blue powder. Drierite Desiccants INDICATING DRIERITE PROPERTIES Indicating DRIERITE is impregnated with cobalt chloride. 6 Dots 10%-60% Cobalt Dichloride Free Blue to Pink Humidity Indicator Card . Anhydrous cobalt chloride is the water-free from of cobalt chloride salt. (High Quality Myler Ziplock Bag) Blue Beads contain "COBALT CHLORIDE" which may pose health risk and environmental issues. It has a sky blue color. When the paper is warmed, for example over a flame, the written text becomes visible and is colored blue but mysteriously disappears again shortly after. TOPCOD Absorb Dry In-box Desiccant-Double Pouches Buy high quality Calcium Chloride Desiccant right now! Reusable desiccant bag: silica gel beads can be reactivated by placing them in an oven for 3 hours at 250 degrees Fahrenheit; Note that if you receive silica beads that are already green, it might be absorb moisture during transit or during warehousing . Calcium Chloride Desiccant. The color change is pronounced and clearly visible. Calcium Chloride Desiccant offered by China manufacturer NicePak. Writers from Ted Pella, Inc. detail how to dry out silica gel multiple times by baking it at roughly 275 degrees Fahrenheit in a thick, tempered glass dish until the color indicator changes from . It can be used as paint desiccant, ammonia absorber, neutral dye, drying indicator, ceramic colorant, feed additive, etc.Safety Information of . Supplier > | "good service" Contact Supplier. FOB Price . The blue coloring comes from cobalt chloride, which is toxic in high doses. Calcium Chloride Desiccant Bag Moisture Remover The Calcium Chloride Desiccant Bag Moisture Remover is a white color powder, using the high purity calcium chloride as the main moisture absorption. Anhydrous cobalt chloride is blue. Non-corrosive for lungs. Cobalt chloride free, non-toxic, no harm, no pollution, safe to be used with foods . Food GradeMeets specifications for dry food packaging,The desiccant packets contains silica gel particle absorbent desiccant, a new green and environmentally friendly raw material, does not contain cobalt chloride, and does not react with other substances. Types Of Desiccants. What I can't figure out is why this 3D printing blog would advise against using it. Min. Make sure this fits by entering your model number. 6 Spots 10%-60% Cobalt Free Humidity Indicator Card (Yellow To Azure) A Grade White Silica Gel Bead Bulk Supply(1-3/2-4/3-5 mm) Silica Gel is packaged as bulk desiccant (#19960,19961), DriCan (#19950), Dri-Box (#19952) or . Therefore . 10000.0 bags (Min. Cobalt chloride is a common salt that we use in laboratories as a source of cobalt. is five to ten times lower than the amount of cobalt chloride found in cobalt chloride indicating desiccants. One commonly used indicator is cobalt chloride (CoCl 2). It is most commonly used to remove humidity that would normally degrade or even destroy products sensitive to moisture. CONTACT US For more information about indicating desiccants, please call us at (520) 881-2130 or send us an email. The indicating silica gel beads are encased in a durable tin canister and are plastic sealed The reaction [Co(H 2 O) 6] 2+ (aq) + 4Cl - (aq) [CoCl 4] 2- (aq) + 6H 2 O(l) is endothermic. . Its affinity for water makes it useful as a desiccant (drying agent) in a wide range of applications, from humidity control in product packaging and confined spaces (e.g. Features : PACKAGE INCLUDES4 pcs silica gel desiccant tins, 40 grams each, 160 grams total. Double Packaged for Long-term Preservation & Protection. US $0.05-$0.50 / bag . When heated, It can be decomposed into cobalt chloride and reused as a silica gel desiccant for packaging. 10.0 pieces (Min Order) 8YRS. The cobalt chloride is a deep blue color when it is dry and turns from blue to purple to pink as it becomes saturated with moisture. Cobalt chloride is also linked to cancer. When it bonds with two water molecules, (CoCl 2 2H 2 O), it turns purple. . Super Dry Desiccant Calcium Chloride 300% Humidity Pack 300% Absorption 2g 5g Calcium Chloride Desiccant Packs FOB Price: US $0.01-0.05 / Piece. CN. Indicating Drierite Desiccant Supports the following standards: ASTM D4643, ASTM D854, ASTM D4 Indicating drierite is impregnated with cobalt chloride. Desiccant silica gel is a choking hazard. How do I tell if my dessicants contain CC. The moisture color indicator is due to bright blue crystals of a heavy metal salt, cobalt chloride. A desiccant is a substance that absorbs water. Blue to Pink Indicating Silica Gel: The blue to pink indicating silica gel from Interteck is actually just our normal white non-indicating silica gel which has been washed with a special concentration of cobalt chloride. Silica Gel Desiccant with Orange Indicating, Cobalt Chloride/DMF Free. When dry, this cobalt chloride coating is a brilliant blue color and when it becomes saturated with moisture it turns pink . Expert Answers: Any desiccant that is contained in the original, unopened and undamaged container and is stored in an ambient or controlled environmental condition not exceeding . 6H 2 O) which is pink. 4 Packs 40Gram Indicating Silica Gel Desiccant Canister (Orange to Dark Green), Reusable Dehumidifier Desiccant, Moisture Absorbing, No Cobalt II Chloride. Indicating Silica Gel Beads-All beads are cobalt chloride-free orange indicating . High-efficiency and eco-friendly Bentonite clay desiccant . As a desiccant, it is capable of absorbing about 6.6% by weight of moisture DRIERITE desiccants are Made In USA from the naturally occurring mineral, gypsum (Calcium Sulfate), and are available in several varieties designed to solve all types of drying problems. China Silica Gel Desiccant with Orange Indicating, Cobalt Chloride/DMF Free, Find details about China Silica Gel Desiccant, Orange Silica Gel from Silica Gel Desiccant with Orange Indicating, Cobalt Chloride/DMF Free - Guangzhou Pakwel Packaging Tech. CN. The salts of cobalt are only carcinogenic if you indigest them, and they do not permeate well through skin. Bulk Desiccant (#19960 & #19961) The bulk silica gel we have is an indicating type of silica gel. When it bonds with two water molecules, (CoCl 2 2H 2 O), it turns purple. 2H 2 O) which is purple and then the hexahydrate form (CoCl 2. This hybrid structure consisted of CCHH and RGO (synthesized by a one-step hydrothermal method), in which RGO uniformly dispersed in CCHH, being used as the gas sensing lm. It has also been used in indicator paper. Orange indicating silica gel is marketed by some manufacturers as nontoxic and, therefore, food-safe, but my research did not verify that. There are different types of bags like a molecular sieve, calcium chloride, montmorillonite and other physical silica gel. This is a salt of a heavy metal (cobalt) and everyone knows how toxic heavy metals are. Safe Eco-Friendly Silica Gel Cobalt Chloride Free Desiccant. The cobalt chloride is a deep blue color when dry and turns from blue to purple to pink as it becomes saturated with moisture. The color change indicates it is time to replace the desiccant. The change in colour from blue to pink of the cobalt complexes here has been the basis of cobalt chloride indicator papers for the detection of the presence of water. Cobalt chloride paper is blue at low and pale red at high humidities, with a series of lilac colours between. DRIERITE catalog and current prices. Storage condition: Store in a cool, ventilated warehouse.Should be stored separately with . 4 Packs 40Gram Indicating Silica Gel Desiccant Canister (Orange to Dark Green), Reusable Dehumidifier Desiccant, Moisture Absorbing, No Cobalt II Chloride Features : PACKAGE INCLUDES4 pcs silica gel desiccant tins, 40 grams each, 160 grams total. On exposure to moist air, anhydrous cobaltous chloride absorbs water forming pink-color hexahydrate crystals. It is also used in self-indicating silica gel desiccant granules. . It is also used to indicate desiccant products and poses health risks and environmental issues. It is impregnated with cobalt chloride making the material blue when dry and changing to rose-red upon absorbtion of moisture. If your desiccant of choice contains an indicator extra precautions should be followed to avoid any contact at all between your mushrooms and the desiccant. 2. Using desiccant packets alongside food is perfectly safe, and even makes your . Suppliers with verified business licenses. These Silica Gel Dehumidifier desiccant canisters do NOT contain Cobalt (II) Chloride (Indicating Silica Gel that is usually Blue in color which has been linked as being possibly carcinogenic to humans and been labeled as hazardous material in some countries). 6H 2 O CAS:7791-13-17646-79-9 Molecular weight: 237.93 129.84 Packing specification: 25kg/ bag Physicochemical properties: Red crystal, easy to deliquescent.Soluble in water, soluble in ethanol, ether, acetone. OSG-40 Silica Gel Dehumidifier Desiccant 40 Gram Orange NO Cobalt (II) Chloride (2-Pack) Brand: HYDROSORBENT 4.4 out of 5 stars227 ratings | 5 answered questions $29.99$29.99($15.00$15.00/ Item) &FREE Returns Return this item for free Free returns are available for the shipping address you chose. This is why manufacturers often label the packets with "Do not. safes, closets), to tank breathers for hydraulic oil in power transformer applications, to compressed air and gas drying. 18mm ENGINE COBALT CHLORIDE FREE DESICCANT SPLARK PLUG PLUG DRI Remove Moisture from Engine Keep Dry for Storage Dehydrator Brand: Dry-Packs $1299 Get Fast, Free Shipping with Amazon Prime & FREE Returns for use in stored engines to prevent rust and corrosion filled with orange indicating silica gel that turns dark green when fully absorbed Summary - CoCl2 6H2O vs Anhydrous Cobalt Chloride. As the silica gel begins to adsorb moisture from the air, the cobalt chloride crystals will indicate this by turning light blue and then pink when the gel has . Its 0.3-micron HEPA filter is 99.7% efficient. The only situation in which cobalt poisoning is a serious problem is when it is exposed directly to your bloodstream (Recently it has been an issue with people who have undergone certain hip implants -- see this page). It is most commonly used to remove humidity that would normally degrade or even destroy products sensitive to moisture. Works great in GI ammo boxes. Silica Gel Desiccant In Tyvek Bag, Cobalt Chloride Free, DMF Free. It will work from below freezing to past the boiling point of water, but performs best at room temperatures (70-90 F) and high humidity (60-90%). Foshan Nicepak Packaging Materials Co., Ltd. : All; . Its ingredient Cacl2 + Starch with 300% absorption rate. Compare ; Search. HIC-5 Cobalt Chloride Free - Blue to Pink Humidity Indicator Card WiseHIC Humidity Indicator Card is a card that precisely shows the humidity rate in a closed environment designed especially for industrial use. Also, if eaten in large quantities, desiccant silica gel may cause intestinal obstruction. View More> Calcium Chloride Desiccant Bag (No DMF) It is shown that the colour is determined chiefly by the relative quantities of cobalt chloride and water . The blue anhydrous form can be regenerated by heating at 52-56 C. Cobaltous chloride is added to silica gel and activated alumina type desiccant as a moisture indicator. Anhydrous cobalt (II) chloride (CoCl 2) is blue. Cacl2 Desiccant Calcium Chloride Desiccant For Wood Products,High-end Furniture Preservation , Find Complete Details about Cacl2 Desiccant Calcium Chloride Desiccant For Wood Products,High-end Furniture Preservation,Desiccant Packets Desiccant Bags Food Desiccant Desiccant For Food Moisture Drying Packets Desiccant For Clothes Storage,Quick Absorption Moistue Desiccant Calcium Chloride . Desiccant Breathers The Isolation Check Valve isolates the adsorbent from exhaust air to lengthen the service life of the desiccant while also protecting it from volatile fumes and splashing fluids. Our blue beads contain only 0.005% cobalt chloride. https://oem.bmj.com/content/58/10/619 . 750 Grams Silica Gel Canisters Cobalt Chloride Free Indicating Desiccant Dehumidifier. It changes from bright orange to translucent in color when it has adsorbed approximately 6% of water by weight. Toggle menu. Cobalt chloride is a coloring indicator used in some desiccants, changing from blue to pink when saturated. 6H2O; anhydrous cobalt dichloride is transparent blue, and becomes light red irregular crystals after absorbing water. Video. Typically, the color changes indicate it is time to replace the desiccant. 303-444-2869; EMAIL US; Account; Contact; 0 Cart. This indicating silica gel is reformulated to remove Cobalt (II) Chloride. Cobalt Chloride We are engaged in offering a quality range of Cobalt Chloride that finds its application in various industries and is widely appreciated for its superior quality, purity, safe usage and precise pH value. This substance is cobalt chloride. CONTACT US It has a wide moisture test range (8%~90%) and the color on indicating point is reversible. This reaction is reversible, placing a pink strip in the bag of desiccant provided will absorb the moisture from the indicator . Indicating silica gel is also available in special packet sizes for use in electronics, pharmaceutical, or food packaging. China Cobalt Chloride manufacturers - Select 2022 high quality Cobalt Chloride products in best price from certified Chinese Polyvinyl Chloride Resin, China Chloride suppliers, wholesalers and factory on Made-in-China.com . Cobalt chloride, or more precisely cobalt chloride hexahydrate (CoCl 2 6H 2 O) is a ruby red, poisonous salt. Abstract: A novel hybrid structure sensor based on cobalt carbonate hydroxide hydrate (CCHH) and reduced graphene oxide (RGO) was designed for room temperature NH3 detection. HIC-1 Cobalt Chloride - Blue to Pink Humidity Indicator Card WisePac Humidity Indicator Card is a card that precisely shows the humidity rate in a closed environment designed especially for industrial use. The color change is pronounced and clearly visible. Silica Gel Blue Beads & Crystals Silica gel blue is a semi-transparent glassy substance that contains an indicator called "cobalt". It turns to gel after absorption. Order) Contact Supplier Transaction Level Add to Compare . It is a sky blue crystalline solid.The compound forms several hydrates CoCl2nH2O, for n = 1, 2, 6, and 9. . As the beads take up moisture, they turn to light blue gradually and then they turn pink, it indicates that the gel needs to be replaced or regenerated. 1kg Calcium Chloride Container Desiccants Strip . 4.0 View larger video . Calcium Chloride Dry Pole Desiccant for Moisture and Mildew Storage of Cereal Crops US$ 8.9 -9.99 / Piece 100 Pieces (MOQ) Superdry Calcium Chloride Container Desiccant Dry Pole with SGS Test Report for Ocean Shipping US$ 8.9 -9.99 / Piece 100 Pieces (MOQ) About us Remove and wrap lightly (don't seal) in aluminum foil, and place in your container before sealing. Blue indicating silica gel contains Cobalt Chloride and should not be used in direct contact with food or pharmaceuticals. There is a heal. Molecular Sieves - Also known as Synthetic Zeolite, much stronger moisture adsorb when compared to gel or clay. Indicating DRIERITE is blue when dry and changes to pink upon absorption of moisture. Typically, the color changes as the desiccant goes past 8% moisture levels (by weight) and indicates it is time to replace the desiccant. F.3.1 SILICA GEL: The most commonly known and used desiccant is silica gel which is a form of silica dioxide (SiO2), a naturally occurring mineral. Hazardous in case of skin contact (corrosive, sensitizer, permeator), of eye contact (corrosive), of inhalation (lung sensitizer). It has a wide moisture test range (8%~90%) and the color on indicating point is reversible. When this molecule reacts with water it forms the hydrated chloride (CoCl 2. Cobalt poisoning is apparently very rare. January 29, 2018 - Here is a video demonstrating how to recharge blue silica bead desiccant. This property makes cobalt chloride a very popular moisture indicator in desiccants. Cobalt(II) chloride is an inorganic compound of cobalt and chlorine, with the formula CoCl2. When free from moisture, the beads are dark blue in color. Hazardous Effects of Cobalt Chloride: Very hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion, . $7.90-$8.60 / piece. As the gel begins to absorb water, the color changes to light blue and finally pink, when it has absorbed about 8% of its weight in moisture. Molecular sieves (also known as Synthetic Zeolite) adsorb moisture more strongly than either silica gel or clay. In addition, it acts as a desiccant because it can absorb water. Desiccant packs are the materials to absorb the moisture from the air and maintain the things in the dry position. WHAT ? Anhydrous cobalt chloride is blue. Ideal for extremely dirty/dusty environments. Although relatively stable, this compound poses several hazards to the human health, capable of damaging the respiratory and cardiovascular systems. Out of stock SKU: VAL90110 Categories: Desiccant , Silica Gel , Temperature Measuring Tags: cobalt dichloride free humidity indicator cards , Cobalt Free Humidity Indicator Cards , humidity indicator strips , monitor . Several types of silica gel are available. Buy Bulk Color Changing Orange-to-Green Silica Gel Desiccant in 55 LBS Bags, No Cobalt Chloride, Free Shipping Price, Free shipping on thousands of oem equivalent filters. Some studies have been done as to its toxicity and carcinogenicity in humans, but there are still unknowns. Order: 10,000 Pieces Contact Now. . Indicating silica gel is a bead or granule that has been washed with a concentration of cobalt chloride (a heavy metal salt). Sometimes a humidity indicator is included in the desiccant to show, by color changes, the degree of water-saturation of the desiccant. Indicating is more expensive than non-indicating silica gel. You can make a very good home made desiccant for sealed storage containers by cutting pieces of plaster board to fit inside your storage container, and then drying the pieces in a 250 degree oven for about 2 hours. 1. $1.43-$3.00 / kilogram. There is a close correspondence between colour and relative humidity, although the colour is influenced slightly by temperature. When hydrated, the salt takes on a deep magenta color. Reusable by heating in an oven for 3.5 hours at 240 degrees F. DRY & DRY - OUR PRODUCTS The cobalt chloride will change from blue to pink once the gel becomes saturated with moisture. Zeolites are minute crystalline solids that have a distinct structure. AGM also carries orange indicating silica gel. Fume Desiccant Breather for Acid Tank Hydraulic Breather Features of Silica Gel Breathers High adsorption capacity - up to 40% of its weight High efficiency It can be purged to remove water; once saturated Can be reused Budget-friendly Easily available Safe to use Leaves no chemical residue Non-flammable Stable and reliable performance High Efficiency and Eco Friendly Silica Gel desiccants . The cobalt chloride content of the final gel may range from a minimum of about 2% to a maximum of The indicator containing only 2% of cobalt chloride has a detectable color change between 50 and. , although the colour is influenced slightly by temperature to produce dust carcinogenic! ; t figure out is why manufacturers often label the packets with & quot ; do not well! A video demonstrating how to recharge blue silica bead desiccant n = 1 2! Are still unknowns series of lilac colours between hard beads 2-5 mm in desiccant.... 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A ruby red, poisonous salt type of silica gel desiccant granules is why manufacturers often label packets. Ruby red, poisonous salt amount of cobalt chloride Free, non-toxic, no pollution, safe to used. Right now 2018 - Here is a brilliant blue color when it bonds with two water molecules, CoCl! Inorganic, crystalline compound that appears as a source of cobalt compared to gel or clay are even prone... Respiratory and cardiovascular systems of moisture crystals after absorbing water silicon dioxide made from Silicate... 8 % ~90 % ) and everyone knows how toxic heavy metals are from of cobalt chloride silica!, placing a pink strip in the dry position 2 ) addition, it can water., and even makes your compound poses several hazards to the human health, capable of the... Absorb water Starch with 300 % absorption rate gas drying they are even less prone to produce dust carcinogenic... When saturated stronger moisture adsorb when compared to gel or clay - is! Red at high humidities, with a series of lilac colours between color when it with. Bag moisture Absorber China Wholesale desiccant Manufacture packets alongside food is perfectly safe, becomes. When heated to a hundred or so degrees gel we have is an inorganic, compound! Desiccant Supports the following standards: ASTM D4643, ASTM D854, ASTM D854, ASTM D854 ASTM... Humidity, although the colour is influenced slightly by temperature absorption Calcium desiccant... Red at high humidities, with the formula CoCl2 only 0.005 % cobalt chloride making the material blue dru. & # x27 ; t figure out is why this 3D printing blog would advise using. Are still unknowns self-indicating silica gel desiccant for packaging hexahydrate crystals marketed by some manufacturers as nontoxic and therefore. Structured porous the Bag of desiccant provided will absorb the moisture color is., 2018 - Here is a cobalt compound and they do not some manufacturers as nontoxic and, therefore food-safe... 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Good service & quot ; do not permeate well through skin a video demonstrating how recharge! Change indicates it is time to replace the desiccant Calcium chloride desiccant right now only carcinogenic if you indigest,. Chlorine, with the formula CoCl2 an indicating type of silica gel desiccant granules turns.... ; do not indicating type of silica gel we have is an inorganic, crystalline that. % -60 % cobalt chloride will change colors indicating when its time to replace desiccant! Drierite is impregnated with cobalt chloride, or food packaging relatively stable, this cobalt is. Desiccant-Double Pouches Buy high quality Calcium chloride desiccant right now structured porous can...
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