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Chromium (Iii) Hydroxide N-Hydrate
Chromium (Iii) Hydroxide N-Hydrate / CAS : 1308-14-1
| Appearance | Grey blue or grey green solid or powder, which decomposes easily by heat, 400 C starts to decompose into chromium trioxide and 500 C completely decomposes into chromium oxide green. Gum when precipitated in aqueous solution. Insoluble in water and acid when it was initially precipitated, but left so long. Can be dissolved in caustic soda, to dichromate, and therefore has two properties like aluminum hydroxide. | UN | 0.0 |
| HS | 28199000 | DG Class | 0.0 |
| Synonyms | Chromicacid(H3Cro3); Chromichydrate; Chromichydroxide; Chromicoxide,Hydrous; Chromicoxidegel; Chromium(3+)Hydroxide; Chromium(Iii)Hydroxide; Chromic(Iii)Hydroxide | ||
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Overview
Properties
Summary
Formula
CrH3O3
Molecular Mass
103.01800
Exact Mass
102.94900
PSA
60.69000
Logp
-0.53040
IUPAC
chromium;trihydrate
SMILES
O.O.O.[Cr]
Attribute classification
Matter Classification
inorganic
Category
Cosmetics > Cosmetic Raw Materials
Dyestuffs and Pigments > Pigment Blue
Dyestuffs and Pigments > Pigment Blue
Chemical and Physical Properties
Boiling Point
100ºC at 760mmHg
Appearance
Grey blue or grey green solid or powder, which decomposes easily by heat, 400 C starts to decompose into chromium trioxide and 500 C completely decomposes into chromium oxide green. Gum when precipitated in aqueous solution. Insoluble in water and acid when it was initially precipitated, but left so long. Can be dissolved in caustic soda, to dichromate, and therefore has two properties like aluminum hydroxide.
Acidity and Basicity
alkalinity
Export information
HS Code
28199000
Export Rebate
0%
UN No.
0.0
DG-Class
0.0
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