ChroMiuM hydroxide
- CAS NO.：1308-14-1
- Empirical Formula: CrH5O4
- Molecular Weight: 121.03
- MDL number: MFCD00216837
- EINECS: 215-158-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-12 09:16:02
What is ChroMiuM hydroxide?
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.
The Uses of ChroMiuM hydroxide
Guignet’s green, catalyst, tanning agent, mordant.
What are the applications of Application
Chromium hydroxide is a basic inorganic compound used in proteomics research
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.
Properties of ChroMiuM hydroxide
| 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 |
| CAS DataBase Reference | 1308-14-1(CAS DataBase Reference) |
| EPA Substance Registry System | Chromium(III) hydroxide (1308-14-1) |
Safety information for ChroMiuM hydroxide
Computed Descriptors for ChroMiuM hydroxide
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