ChroMiuM hydroxide
ChroMiuM hydroxide Basic information
- Product Name:
- ChroMiuM hydroxide
- Synonyms:
-
- chromicacid(h3cro3)
- chromichydrate
- Chromichydroxide
- chromicoxide,hydrous
- chromicoxidegel
- chromium(3+)hydroxide
- chromium(iii)hydroxide
- chromic(iii)hydroxide
- CAS:
- 1308-14-1
- MF:
- CrH5O4
- MW:
- 121.03
- EINECS:
- 215-158-8
- Product Categories:
-
- Inorganics
- Mol File:
- 1308-14-1.mol
ChroMiuM hydroxide Chemical Properties
- Melting point:
- >300.00°C
- Density
- 1.36[at 20℃]
- vapor pressure
- 0Pa at 20℃
- solubility
- insoluble in H2O; soluble in acid solutions
- form
- blue-green powder
- color
- blue-green
- PH
- 7.04(1 mM solution);7.04(10 mM solution);7.04(100 mM solution)
- Water Solubility
- insoluble H2O; soluble dilute mineral acids when freshly prepared [MER06]
- Solubility Product Constant (Ksp)
- pKsp: 30.2
- InChI
- InChI=1S/Cr.3H2O/h;3*1H2/q+3;;;/p-3
- InChIKey
- VQWFNAGFNGABOH-UHFFFAOYSA-K
- SMILES
- [Cr](O)(O)O
- LogP
- 1 at 20℃
- CAS DataBase Reference
- 1308-14-1(CAS DataBase Reference)
- EPA Substance Registry System
- Chromium(III) hydroxide (1308-14-1)
Safety Information
- Hazardous Substances Data
- 1308-14-1(Hazardous Substances Data)
ChroMiuM hydroxide Usage And Synthesis
Chemical Properties
Green, gelatinous precipitate. Decomposes to chromic oxide by heat. Insoluble in water; soluble in acids and strong alkalies.
Physical properties
Bluish-green powder or green gelatinous precipitate; decomposes to chromium(III) oxide on heating; insoluble in water; soluble in dilute mineral acids when freshly prepared, becoming insoluble on aging; soluble in strong alkalis.
Uses
Guignet’s green, catalyst, tanning agent, mordant.
Preparation
Chromium(III) hydroxide may be prepared by precipitation from mixing ammonium hydroxide solution with a soluble chromium(III) salt, such as chromium(III) chloride or nitrate:
CrCl3 + 3NH4OH → Cr(OH)3 + 3NH4Cl.
Safety Profile
A confirmed carcinogen. A poison. A powerful oxidizer. A powerful irritant of skin, eyes, and mucous membranes.
Toxics Screening Level
The initial threshold screening level (ITSL) for chromium III hydroxide is 0.5 micrograms per cubic meter (μg/m3) based on a 24-hour averaging time.
ChroMiuM hydroxide Preparation Products And Raw materials
Raw materials
Preparation Products
ChroMiuM hydroxideSupplier
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ChroMiuM hydroxide(1308-14-1)Related Product Information
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