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Key Documents

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Articles

In many technologies, performance requirements drive device dimensions below the scale of electron mean free paths (λe). This trend has increased scientific interest and technological importance of electrical resistivities at the nanoscale.

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