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342432

Sigma-Aldrich

Chromium(III) sulfate hydrate

for synthesis

Synonym(s):

Chromic sulfate hydrate, Chromium trisulfate

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About This Item

Linear Formula:
Cr2(SO4)3 · xH2O
CAS Number:
Molecular Weight:
392.18 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

grade

for synthesis

Quality Level

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

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Related Categories

pictograms

CorrosionExclamation mark

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Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


Certificates of Analysis (COA)

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