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259950

Sigma-Aldrich

Benzoyl chloride

99%

Synonym(s):

Benzoic acid chloride, alpha-chlorobenzaldehyde

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About This Item

Linear Formula:
C6H5COCl
CAS Number:
Molecular Weight:
140.57
Beilstein:
471389
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21

vapor density

4.88 (vs air)

Quality Level

vapor pressure

1 mmHg ( 32 °C)

Assay

98.0-100.5%
99%

form

liquid

autoignition temp.

1056 °F

expl. lim.

4.9 %

impurities

≤0.002% P compounds

ign. residue

≤0.005%

refractive index

n20/D 1.553 (lit.)

bp

198 °C (lit.)

mp

−1 °C (lit.)

transition temp

freezing point −2.0-0.0 °C

density

1.211 g/mL at 25 °C (lit.)

cation traces

Fe: ≤0.001%
heavy metals (as Pb): ≤0.001%

SMILES string

ClC(=O)c1ccccc1

InChI

1S/C7H5ClO/c8-7(9)6-4-2-1-3-5-6/h1-5H

InChI key

PASDCCFISLVPSO-UHFFFAOYSA-N

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Application

Benzoyl chloride may be used in the synthesis of the following organic building blocks:
  • N,N-diethylbenzamide via condensation with diethylamine
  • N-2-bromophenylbenzamide by reacting with 2-bromoaniline via N-benzoylation
  • propargyl benzoate via O-benzoylation of propargyl alcohol

Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

161.6 °F - closed cup

Flash Point(C)

72 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Ligand-free copper(II) oxide nanoparticles catalyzed synthesis of substituted benzoxazoles
Prasenjit S, et al
Organic Syntheses, 88, 398-398 (2011)
2-substituted-1,3-cyclohexadienes by intermolecular, methylene-free tandem enyne metathesis
Kulkarni AA and Diver ST
Organic Syntheses, 83, 200-200 (2006)
Preparation of (E)-N,N-Diethyl-2-styrylbenzamide by Rh-Catalyzed C-H Activation
Patureau FW, et al
Organic Syntheses, 90, 41-41 (2013)
An unexpected silver triflate-catalyzed reaction of 2-alkynylbenzaldoxime in the presence of benzoyl chloride.
Liu G, et al.
Royal Society of Chemistry Advances, 3(27), 10666-10668 (2013)
Highly efficient catalytic asymmetric acylation of meso-1, 2-diols with benzoyl chloride in the presence of a chirai diamine combined with Et3 N.
Oriyama T, et al.
Tetrahedron Letters, 39(21), 3529-3532 (1998)

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