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79-03-8

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Identification

Name
Propionyl chloride
CAS
79-03-8
Synonyms
AKOS BBS-00004085
PROPANOYL CHLORIDE
PROPIONIC ACID CHLORIDE
PROPIONYL CHLORIDE
Propionyl chloride Propanoyl chloride
Propionic chloride
propionyl
Propionylchlorid
Propionylchloride,98%
Propanoylchlorid
Propionchloride
PROPIONYL CHLORIDE extrapure
Propanoic acid chloride
EINECS(EC#)
201-170-0
Molecular Formula
C3H5ClO
MDL Number
MFCD00000745
Molecular Weight
92.52
MOL File
79-03-8.mol

Chemical Properties

Appearance
clear liquid
mp 
−94 °C

bp 
77-79 °C(lit.)

density 
1.059 g/mL at 20 °C
vapor density 
3.2 (vs air)

refractive index 
n20/D 1.404(lit.)

Fp 
53 °F

storage temp. 
Flammables area
Water Solubility 
REACTS
FreezingPoint 
-94℃
Sensitive 
Moisture Sensitive
Merck 
14,7828
BRN 
385632
Uses
Chemical intermediate.
CAS DataBase Reference
79-03-8(CAS DataBase Reference)
NIST Chemistry Reference
Propanoyl chloride(79-03-8)

Safety Data

Hazard Codes 
F,C
Risk Statements 
R11:Highly Flammable.
R14:Reacts violently with water.
R34:Causes burns.
Safety Statements 
S9:Keep container in a well-ventilated place .
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR 
UN 1815 3/PG 2

WGK Germany 
1

RTECS 
UG6657000
HazardClass 
3
PackingGroup 
II
HS Code 
29051900
HS Code 
29399990
Safety Profile
A corrosive irritant to skin, eyes, and mucous membranes. Dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. Reacts with water or steam to produce toxic and corrosive fumes. Exothermic reaction with diisopropyl ether produces much gas. The reaction may be dangerous if confmed. To fight fire, use CO2, dry chemical; do not use water. When heated to decomposition it emits lughly toxic fumes of Cl-. See also HYDROCHLORIC ACID.

Raw materials And Preparation Products

Hazard Information

General Description
A colorless liquid with a pungent odor. Flash point of 50°F. Corrosive and very irritating to skin and eyes. Used to make other chemicals.
Reactivity Profile
Acid halides, such as PROPIONYL CHLORIDE(79-03-8), are water reactive; some are violently reactive. They are incompatible with strong oxidizing agents, alcohols, amines, and alkali. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].
Air & Water Reactions
Highly flammable. Vigorously reacts with water to form propionic acid and hydrochloric acid [Merck 11th ed. 1989].
Hazard
Strong irritant to skin.
Health Hazard
May cause toxic effects if inhaled or ingested/swallowed. Contact with substance may cause severe burns to skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire Hazard
Flammable/combustible material. May be ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Material Safety Data Sheet(MSDS)

Spectrum Detail

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