Sulfuric acid, cobalt salt, heptahydrate
Cobalt sulfate heptahydrate
CAS: 10026-24-1;60459-08-7
Molecular Formula: CoH2O5S
Sulfuric acid, cobalt salt, heptahydrate - Names and Identifiers
Sulfuric acid, cobalt salt, heptahydrate - Physico-chemical Properties
| Molecular Formula | CoH2O5S |
| Molar Mass | 173.01 |
| Density | 2.03g/mLat 25°C(lit.) |
| Melting Point | 98℃ |
| Water Solubility | Soluble in water. Slightly soluble in methanol and ethanol |
| Appearance | Crystalline Powder |
| Color | Red-orange |
| Exposure Limit | ACGIH: TWA 0.02 mg/m3 |
| Physical and Chemical Properties | Character pink monoclinic crystal. melting point 96.8 ℃ relative density 1.948 solubility: soluble in water and methanol, insoluble in ammonia, slightly soluble in ethanol. |
| Use | Used as ceramic glaze, paint drying agent, also used for dyes |
Sulfuric acid, cobalt salt, heptahydrate - Risk and Safety
| Risk Codes | R49 - May cause cancer by inhalation R22 - Harmful if swallowed R42/43 - May cause sensitization by inhalation and skin contact. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R68 - Possible risk of irreversible effects R60 - May impair fertility |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S22 - Do not breathe dust. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | GG3200000 |
| TSCA | Yes |
| HS Code | 28332930 |
| Hazard Class | 9 |
| Packing Group | III |
Sulfuric acid, cobalt salt, heptahydrate - Upstream Downstream Industry
| Raw Materials | Sodium carbonate Cobalt Sulfuric acid Nickel Nitric acid |
Sulfuric acid, cobalt salt, heptahydrate - Nature
Open Data Verified Data
pink to red monoclinic or triclinic crystals. dzi: 2. 03. Soluble in water, ethanol-soluble, methanol. Dehydration by heating at 41.5 ° C. Turned into hexahydrate. It became monohydrate at 71 °c. It cannot burn itself. By high heat decomposition of toxic gases.
Last Update：2024-01-02 23:10:35
Sulfuric acid, cobalt salt, heptahydrate - Use
Open Data Verified Data
The aqueous sulfuric acid solution was heated to 90-98 °c, and cobalt trioxide was added. Formaldehyde was then added thereto for reduction, and the solution gradually turned transparent. Filtration, evaporation of the filtrate to form a crystalline film, cooling, crystallization, drying to obtain pure cobalt sulfate.
Last Update：2022-01-01 09:01:46
Sulfuric acid, cobalt salt, heptahydrate - Use
Open Data Verified Data
analytical reagent for drop wise analysis of zinc. Used as an absorbent for ammonia. In the application of instrument manufacturing for the production of barometers, hydrometers, dry and wet indicators and other I ceramic industry used as colorants; Coating industry for the manufacture of coating drying agent, brewing industry used for beer foam stability; I Defense industry for the manufacture of toxic gas cover; Chemical reaction as a catalyst J is also used for the manufacture of hidden ink, chloride drill test paper, color-changing silica gel. It is widely used in the electronics, instrumentation, and metallurgical industries.
Last Update：2022-01-01 09:01:47
Sulfuric acid, cobalt salt, heptahydrate - Safety
Open Data Verified Data
its dust can irritate the mucosa of eyes, nose, respiratory tract and gastrointestinal tract. Staff should be protected. Store in a cool, ventilated warehouse. Keep away from fires and heat sources and prevent moisture and rain.
Last Update：2022-01-01 09:01:47
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CAS: 10026-24-1
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Raw Materials for Sulfuric acid, cobalt salt, heptahydrate