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| CAS No.: | 7791-13-1 |
|---|---|
| Name: | Cobalt chloride hexahydrate |
| Molecular Structure: | |
|
|
|
| Formula: | CoCl2H12O6 |
| Molecular Weight: | 237.95 |
| Synonyms: | Cobaltdichloride hexahydrate;Cobalt(2+) chloride hexahydrate;Cobalt(II) chloridehexahydrate;Cobaltous chloride hexahydrate;Cobalt(Ⅱ)chloride; |
| EINECS: | 231-589-4 |
| Density: | 3.35 g/cm3 |
| Melting Point: | 86 °C |
| Boiling Point: | 100 °C at 760 mmHg |
| Solubility: | Soluble in water, ether, acetone and alcohol. |
| Appearance: | Blue crystalline powder |
| Hazard Symbols: |
 T,  N
|
| Risk Codes: | 49-22-42/43-50/53 |
| Safety: | 53-22-45-60-61 |
| Transport Information: | UN 3260 8/PG 2 |
| PSA: | 55.38000 |
| LogP: | -6.37780 |
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Chemistry
Molecular Formula: CoCl2H12O6
Molecular Weight: 237.93
EINECS:231-589-4
Density: 3.35 g/mL at 25 °C
Vapour Pressure: 40 mm Hg ( 0 °C)
Boiling Point: 1049 °C
Melting point: 86 °C
Storage tempreture: Store at RT.
Sensitive: Hygroscopic
Appearance: Blue crystalline powder
Structure of Cobalt(II) chloride hexahydrate (CAS NO.7791-13-1):
IUPAC Name: Cobalt(2+) dichloride hexahydrate
Canonical SMILES: O.O.O.O.O.O.[Cl-].[Cl-].[Co+2]
InChI: InChI=1S/2ClH.Co.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2
InChIKey: GFHNAMRJFCEERV-UHFFFAOYSA-L
Production
Cobalt(II) chloride hexahydrate (CAS NO.7791-13-1) can be prepared from cobalt(II) hydroxide or cobalt(II) carbonate and hydrochloric acid : Co2+ (aq) + 2 Cl− (aq) → CoCl2 (aq)
Toxicity Data With Reference
| 1. | orl-rat LD50:766 mg/kg | FCTOD7 Food and Chemical Toxicology. 20 (1982),311. | ||
| 2. | ipr-rat LD50:35 mg/kg | JAPYAA Journal of Applied Physiology. 32 (1972),315. | ||
| 3. | scu-rat LDLo:121 mg/kg | EQSSDX Environmental Quality and Safety, Supplement. 1 (1975),1. | ||
| 4. | ipr-mus LD50:90 mg/kg | AEPPAE Naunyn-Schmiedebergs Archiv fuer Experimentelle Pathologie und Pharmakologie. 244 (1962),17. | ||
| 5. | scu-mus LDLo:100 mg/kg | EQSSDX Environmental Quality and Safety, Supplement. 1 (1975),1. | ||
| 6. | ivn-dog LDLo:30,300 µg/kg | EQSSDX Environmental Quality and Safety, Supplement. 1 (1975),1. |
Consensus Reports
Cobalt and its compounds are on the Community Right-To-Know List.
Safety Profile
Hazard Codes of Cobalt(II) chloride hexahydrate (CAS NO.7791-13-1): 
T,
N
Risk Statements: 49-22-42/43-50/53
R22:Harmful if swallowed.
R42/43:May cause sensitization by inhalation and skin contact.
R49:May cause cancer by inhalation.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 53-22-45-60-61
S22:Do not breathe dust.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S53:Avoid exposure - obtain special instructions before use.
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.
RIDADR:UN 3260 8/PG 2
WGK Germany:2
RTECS:GG0200000
PackingGroup: III
HS Code: 28273400
Poison by subcutaneous, intravenous, and intraperitoneal routes. Moderately toxic by ingestion. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of Cl−.
Specification
Cobalt(II) chloride hexahydrate , its cas register number is 7791-13-1. It also can be called Cobalt chloride hexahydrate ; Cobalt chloride hexahydrate ; and Cobaltous chloride, hexahydrate . Cobalt(II) chloride hexahydrate (CAS NO.7791-13-1) is deliquescent, and is the hexahydrate of Cobalt(II) chloride. In the solid state,CoCl2·6H2O contains trans-[CoCl2(H2O)4]·2H2O, two water molecules in its formula unit being water of crystallization. A concentrated aqueous solution is red at room temperature, but becomes blue when heated.