Chromium(III) sulfate hydrate
ALDRICH/342432
Synonym: Chromic sulfate hydrate; Chromium trisulfate
CAS Number: 15244-38-9
Empirical Formula (Hill Notation): Cr2O12S3 · xH2O
Molecular Weight: 392.18 (anhydrous basis)
EC Number: 233-253-2
MDL Number: MFCD00150215
Linear Formula: Cr2(SO4)3 · xH2O
Product Type: Chemical
| assay | 18.0-26.0% (by Na2S2O3, % Cr, titration) |
| concentration | 18.0-26.0% Cr (by Na2S2O3, titration) |
| density | 1.7 g/mL at 25 °C (lit.) |
| form | solid |
| InChI | 1S/2Cr.3H2O4S.H2O/c;;3*1- |
| InChI key | KVIYQADEXNCDCB-UHFFFAOYSA |
| mp | 100 °C (dec.) (lit.) |
| Quality Level | 200 ![]() |
| reaction suitability | core: chromium |
| SMILES string | O.[Cr+3].[Cr+3].[O-]S([O- |
| Packaging: | 100, 500 g in glass bottle |
| Symbol | ![]() GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 + H312 + H332 - H314 |
| Precautionary statements | P260 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 20/21/22-34 |
| Safety Statements | 26-27-28-36/37/39-45 |
| RIDADR | UN 3260 8 / PGII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 18.0-26.0% (by Na2S2O3, % Cr, titration) |
| mp | 100 °C (dec.) (lit.) |
| Density | 1.7 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |



