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Butyryl chloride

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Origin: China

Cas No: 141-75-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 141-75-3 Formula: C4H7ClO Molecular Weight: 106.55100

Description

Butyryl chloride (also known as n-Butyryl chloride, butanoyl chloride, or C-4 Acyl halide) is an organic compound with the chemical formula C4H7ClO. Butyryl chloride is liquid at room temperature, has a colorless to light yellowish appearance and has an extremely strong pungent odor. Butyryl chloride is soluble in almost all aprotic organic solvents, but it decomposes violently by heating and spontaneously decomposes when exposed to moist air or water to form pure hydrochloric acid gas. It also reacts violently when mixed with strong oxidants, metals (especially iron), alkali metals, alkali earth metals, bases and wide range of organic substances such as amines, dimethyl sulfoxide, and alcohols. These reactions tend to result in explosions and fire; hence extreme caution must be taken when mixing with other substances. Butyryl Chloride belongs in the group of acyl halides which are involved in acylation process that introduce an acyl group (RCO-) into compounds.

Basic Info

Chemical Name	Butyryl chloride
Synonyms	butyric acid chloride; butyricchloride; n-butyric acid chloride; n-butanoyl chloride; butyryl; n-butyryl chloride; Butyrylchloride; BUTANOYL CHLORIDE; Butyryl Chloride; BUTYROYL CHLORIDE; N-Butyryl; butanoic acid chloride; N-BUTYLVINYLETHER; n-butyroyl chloride; Butyrylchlorid;
CAS No.	141-75-3
Molecular Formula	C4H7ClO
Molecular Weight	106.55100
PSA	17.07000
LogP	1.55190

Properties

Appearance & Physical State	clear colorless liquid with a sharp odor
Density	1.018
Boiling Point	102ºC
Melting Point	-89ºC
Freezing Point	-89℃
Flash Point	18ºC
Refractive Index	1.4112-1.4132
Water Solubility	decomposes
Storage Condition	Flammables area
Vapor Density	3.7 (vs air)
Vapor Pressure	32.9mmHg at 25°C

Safety Info

Hazard Class	3
Safety Statements	S16-S23-S26-S36-S45
HS Code	2915900090
Packing Group	II
WGK Germany	1
RIDADR	UN 2353 3/PG 2
Risk Statements	R11; R34
Hazard Codes	C

Synthesis Route

tetrachloromethane+Butyraldehyde→hexachloroethane+2-Hexenal, 2-ethyl-
Benzoyl chloride+butyric acid→benzoic anhydride+Butyryl chloride
butyric acid→Butyryl chloride

Precursor

Isobutyryl chloride
trimethylsilyl butanoate
Benzoyl chloride
butyric acid

Downstream Product

N-benzylbutyrylamide
N,N-diethylbutanamide
N-Methoxy-N-methylbutanamide
1-(5-bromothiophen-2-yl)butan-1-one

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