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27096

Sigma-Aldrich

Chromium(III) chloride hexahydrate

purum p.a., ≥98.0% (RT)

Synonym(s):

Chromium trichloride hexahydrate, Hexaaquachromium(III) chloride

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About This Item

Linear Formula:
CrCl3 · 6H2O
CAS Number:
Molecular Weight:
266.45
EC Number:
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

grade

purum p.a.

Quality Level

assay

≥98.0% (RT)

form

solid

reaction suitability

core: chromium
reagent type: catalyst

density

1.76 g/mL at 25 °C (lit.)

anion traces

sulfate (SO42-): ≤500 mg/kg

cation traces

Ca: ≤300 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤100 mg/kg
K: ≤100 mg/kg
Na: ≤300 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].Cl[Cr](Cl)Cl

InChI

1S/3ClH.Cr.6H2O/h3*1H;;6*1H2/q;;;+3;;;;;;/p-3

InChI key

LJAOOBNHPFKCDR-UHFFFAOYSA-K

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Application

Chromium(III) chloride (CrCl3. 6H2O) hexahydrate can be used:
  • As a source of chromium(II), which is in turn used as a catalyst in iodovinylation of aldehydes (Takai reaction).
  • In the synthesis of chromium(III) complexes of tetradentate Schiff bases.
  • In the preparation of Cr(III)-fatty acid complexes which can further be used as a catalyst for the synthesis of 1-monoacyIgIyceroIs.
  • In combination with choline chloride as a deep eutectic solvent, which can be utilized as a catalyst for the esterification of formic and acetic acid with alcohols.

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Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Met. Corr. 1 - Skin Sens. 1B

wgk_germany

WGK 1

flash_point_f

does not flash

flash_point_c

does not flash

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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