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Merck
CN

27096

Chromium(III) chloride hexahydrate

≥98.0% (RT), solid, purum p.a.

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
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12161600
EC Number:
233-038-3
MDL number:
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Product Name

Chromium(III) chloride hexahydrate, purum p.a., ≥98.0% (RT)

InChI key

LJAOOBNHPFKCDR-UHFFFAOYSA-K

InChI

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

SMILES string

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

grade

purum p.a.

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

Quality Level

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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

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

does not flash

flash_point_c

does not flash

ppe

dust mask type N95 (US), Eyeshields, Gloves


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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)
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)
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)
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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