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27096

Sigma-Aldrich

Chromium(III) chloride hexahydrate

purum p.a., ≥98.0% (RT)

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Synonym(s):
Chromium trichloride hexahydrate, Hexaaquachromium(III) chloride
Linear Formula:
CrCl3 · 6H2O
CAS Number:
10060-12-5
Molecular Weight:
266.45
EC Number:
233-038-3
MDL number:
MFCD00149660
UNSPSC Code:
12352300
PubChem Substance ID:
57648213
NACRES:
NA.22

grade

purum p.a.

Quality Level

200

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.

Signal Word

Warning

Hazard Statements

H290,H302,H317,H411

Hazard Classifications

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

WGK

WGK 1

Flash Point(F)

does not flash

Flash Point(C)

does not flash

Personal Protective Equipment

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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Preparation of 1-monoacyIgIyceroIs from gIycidoI and fatty acids cataIyzed by the chromium (III)-fatty acid system
Janivs R, et al.
European Journal of Lipid Science and Technology, 102(5), 351-354 (2000)
Synthesis, characterization, and spectroscopic studies of tetradentate Schiff base chromium (III) complexes
Aranha PE, et al.
Polyhedron, 26(7), 1373-1382 (2007)
Deep eutectic solvent choline chloride 2CrCl3.6H2O: an efficient catalyst for esterification of formic and acetic acid at room temperature
Cao J, et al.
Royal Society of Chemistry Advances, 6(26), 21612-21616 (2016)
An alternative procedure in the Takai reaction using chromium (III) chloride hexahydrate as a convenient source of chromium (II)
Auge J, et al.
Synthetic Communications, 33(21), 3733-3739 (2003)
Igor Shuryak et al.
Scientific reports, 9(1), 11361-11361 (2019-08-08)
Exposure to chronic ionizing radiation (CIR) from nuclear power plant accidents, acts of terrorism, and space exploration poses serious threats to humans. Fungi are a group of highly radiation-resistant eukaryotes, and an understanding of fungal CIR resistance mechanisms holds the

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