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P51559

Propionyl chloride

98%

Synonym(s):

Chloro ethyl ketone, Ethyl chloroform, Propionic acid chloride, Prorionyl chloride

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About This Item

Linear Formula:
CH3CH2COCl
CAS Number:
79-03-8
Molecular Weight:
92.52
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24898602
EC Number:
201-170-0
Beilstein/REAXYS Number:
385632
MDL number:
MFCD00000745
Assay:
98%
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vapor density

3.2 (vs air)

Quality Segment

200

assay

98%

refractive index

n20/D 1.404 (lit.)

bp

77-79 °C (lit.)

mp

−94 °C

density

1.059 g/mL at 25 °C (lit.)

SMILES string

CCC(Cl)=O

InChI

1S/C3H5ClO/c1-2-3(4)5/h2H2,1H3

InChI key

RZWZRACFZGVKFM-UHFFFAOYSA-N

General description

Propionyl chloride is an important chemical intermediate used to synthesize various propionic acid derivatives.

Application

Propionyl chloride can be used as an acylating agent:
  • To convert anisole to 4-methoxypropiophenone and 2-methoxynaphthalene to 1-propio-2-methoxynaphthalene in the presence of Indium(III) chloride (InCl3) impregnated mesoporous Si-MCM-41 catalyst.

It can also be used:
  • For chlorination in the presence of sulfuryl chloride and peroxides to form α-chloropropionyl chloride and β-chloropropionyl chloride.
  • In reaction with (hydroxypropyl)cellulose to form the propanoate ester, [(propionyloxy)propyl]cellulose.

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Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

supp_hazards

EUH014

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

42.8 °F - closed cup

flash_point_c

6 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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