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311375

Sigma-Aldrich

Antimony(III) chloride

ACS reagent, ≥99.0%

Synonym(s):

Antimony trichloride

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About This Item

Linear Formula:
SbCl3
CAS Number:
10025-91-9
Molecular Weight:
228.12
EC Number:
233-047-2
MDL number:
MFCD00011212
UNSPSC Code:
12352302
eCl@ss:
38080204
PubChem Substance ID:
329753663
NACRES:
NB.24

grade

ACS reagent

vapor density

7.9 (vs air)

vapor pressure

1 mmHg ( 49 °C)

Assay

≥99.0%

form

powder, crystals or chunks

reaction suitability

reagent type: catalyst
core: antimony

impurities

≤0.05% insol. CHCl3

mp

73.4 °C (lit.)

anion traces

sulfate (SO42-): ≤0.005%

cation traces

As: ≤0.02%
Ca: ≤0.005%
Cu: ≤0.001%
Fe: ≤0.002%
K: ≤0.01%
Na: ≤0.02%
Pb: ≤0.005%

SMILES string

Cl[Sb](Cl)Cl

InChI

1S/3ClH.Sb/h3*1H;/q;;;+3/p-3

InChI key

FAPDDOBMIUGHIN-UHFFFAOYSA-K

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Application

Antimony(III) chloride (SbCl3) is a Lewis acid catalyst that is used in various organic reactions such as polymerization, Friedel-Crafts acylations, reductions with NaBH4, ring opening of epoxides, cleavage of trityl ethers, Biginelli and chlorination reactions. It is also used as a precursor to synthesize other antimony salts.

Pictograms

CorrosionEnvironment
GHS05,GHS09

Signal Word

Danger

Hazard Statements

H314,H411

Hazard Classifications

Aquatic Chronic 2 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Antimony (III) chloride-catalyzed ring opening of epoxides with anilines.
Singh MC and Peddinti RK.
Tetrahedron Letters, 48(41), 7354-7357 (2007)
Synthesis, structural characterization and cytotoxicity of the antimony (III) chloride complex with N, N-dicyclohexyldithiooxamide.
Ozturk II, et al.
Polyhedron, 52, 1403-1410 (2013)
Nucleic acid related compounds. 79. Efficient conversions of thioethers to. alpha.-fluoro thioethers with DAST or DAST/antimony (III) chloride.
Robins MJ and Wnuk SF.
The Journal of Organic Chemistry, 58(15), 3800-3800 (1993)
Antimony (III) chloride-catalysed Biginelli reaction: a versatile method for the synthesis of dihydropyrimidinones through a different reaction mechanism
Cepanec I, et al.
Tetrahedron, 63(48), 11822-11827 (2007)
S A Hussain et al.
Human & experimental toxicology, 17(3), 140-143 (1998-05-20)
1. The toxic gas hypothesis proposes exposure to stibine (antimony trihydride) generated from microbial contamination of cot mattress materials as a possible cause of unexplained death in infancy (SIDS) as a consequence of cholinesterase inhibition. We have measured the direct
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