342432

Chromium(III) sulfate hydrate

for synthesis

• Synonym(s): Chromic sulfate hydrate, Chromium trisulfate
• Linear Formula: Cr₂(SO₄)₃ · xH₂O
• CAS Number: 15244-38-9
• Molecular Weight: 392.18 (anhydrous basis)
• EC Number: 233-253-2
• MDL number: MFCD00150215
• UNSPSC Code: 12352302
• PubChem Substance ID: 24861064
• NACRES: NA.23

Properties

• grade: for synthesis
• assay: 18.0-26.0% (by Na₂S₂O₃, % Cr, titration)
• form: solid
• concentration: 18.0-26.0% Cr (by Na₂S₂O₃, titration)
• mp: 100 °C (dec.) (lit.)
• density: 1.7 g/mL at 25 °C (lit.)
• SMILES string: O.[Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
• InChI: 1S/2Cr.3H2O4S.H2O/c;;3*1-5(2,3)4;/h;;3*(H2,1,2,3,4);1H2/q2*+3;;;;/p-6
• InChI key: KVIYQADEXNCDCB-UHFFFAOYSA-H

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H302 + H312 + H332,H314
• pcodes: P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B
• Storage Class: 8B - Non-combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges