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Nickel(II) chloride hexahydrate

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Nickel(II) chloride hexahydrate Basic information

Product Name:
Nickel(II) chloride hexahydrate
CAS:
7791-20-0
MF:
Cl2H12NiO6
MW:
237.69
EINECS:
616-576-7
Mol File:
7791-20-0.mol
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Nickel(II) chloride hexahydrate Chemical Properties

Melting point:
140℃ -H{2}O
Density 
1,92 g/cm3
storage temp. 
Store at RT.
solubility 
2540g/l
form 
Solution
color 
Green
PH
4.9 (100g/l, H2O, 20℃)
Water Solubility 
2540 G/L (20 ºC)
Sensitive 
Hygroscopic
Merck 
14,6505
Stability:
Stable. Hygroscopic. Incompatible with peroxides.
InChIKey
LAIZPRYFQUWUBN-UHFFFAOYSA-L
CAS DataBase Reference
7791-20-0(CAS DataBase Reference)
EPA Substance Registry System
Nickel chloride (NiCl2), hexahydrate (7791-20-0)
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Safety Information

Hazard Codes 
T,N,Xi
Risk Statements 
45-25-36/38-43-50/53-68-48/23-42/43-38-23/25-61-49
Safety Statements 
53-36/37-45-60-61-37-29-24
RIDADR 
UN 3288 6.1/PG 3
WGK Germany 
3
RTECS 
QR6480000
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
28273500
Toxicity
LD50 orally in Rabbit: 186 mg/kg

MSDS

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Nickel(II) chloride hexahydrate Usage And Synthesis

Chemical Properties

Green solid

Uses

Anhydr salt as absorbent for NH3 in gas masks. Hexahydrate for nickel electroplating; manufacture of nickel catalysts.

Definition

ChEBI: A hydrate of nickel chloride containing nickel (in the +2 oxidation state), chloride and water moeities in the ratio 1:2:6.

Hazard

Confirmed carcinogen.

Safety Profile

Confirmed human carcinogen. Poison by intraperitoneal and intravenous routes. Experimental reproductive effects. Mutation data reported. Violent reaction with potassium. When heated to decomposition it emits very toxic fumes of Cl-. See also NICKEL COMPOUNDS and CHLORIDES.

Purification Methods

It crystallises from dilute HCl to form the green hexahydrate. At 70o this dehydrates to the tetrahydrate, and at higher temperatures it forms the anhydrous salt. It sublimes in yellow hexagonal scales in a stream of HCl. Store it in a desiccator as it is deliquescent. [Hart & Partington J Chem Soc 104 1943.]

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