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Propionyl chloride

CAS No.
79-03-8
Chemical Name:
Propionyl chloride
Synonyms
PROPANOYL CHLORIDE;propionyl;Propionylchlorid;Propionyl chloride, 98.5%;Propionchloride;AKOS BBS-00004085;Propionyl cloride;PROPIONIC ACID CHLORIDE;PROPIONYL CHLORIDE extrapure;PROPIONYL CHLORIDE FOR SYNTHESIS
CBNumber:
CB3156885
Molecular Formula:
C3H5ClO
Molecular Weight:
92.52
MDL Number:
MFCD00000745
MOL File:
79-03-8.mol
MSDS File:
SDS
Last updated:2024-08-24 19:19:26

Propionyl chloride Properties

Melting point -94 °C
Boiling point 77-79 °C (lit.)
Density 1.059 g/mL at 25 °C (lit.)
vapor density 3.2 (vs air)
vapor pressure 106 hPa (20 °C)
refractive index n20/D 1.404(lit.)
Flash point 53 °F
storage temp. Store below +30°C.
form Liquid
color Clear
PH Range <7.0
explosive limit 3.6-11.9%(V)
Water Solubility REACTS
FreezingPoint -94℃
Sensitive Moisture Sensitive
Merck 14,7828
BRN 385632
Exposure limits ACGIH: TWA 0.1 ppm
OSHA: TWA 0.1 ppm(0.4 mg/m3)
NIOSH: IDLH 2 ppm; TWA 0.1 ppm(0.4 mg/m3); Ceiling 0.2 ppm(0.8 mg/m3)
InChIKey RZWZRACFZGVKFM-UHFFFAOYSA-N
CAS DataBase Reference 79-03-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII MB6VL5OMB9
NIST Chemistry Reference Propanoyl chloride(79-03-8)
EPA Substance Registry System Propanoyl chloride (79-03-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS02,GHS05,GHS06
Signal word  Danger
Hazard statements  H225-H302-H314-H331
Precautionary statements  P210-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  F,C
Risk Statements  11-14-34-20/22
Safety Statements  9-16-26-45
RIDADR  UN 1815 3/PG 2
WGK Germany  1
RTECS  UG6657000
Autoignition Temperature 270 °C
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29051900
HS Code  29399990
Toxicity LD50 orally in Rabbit: 823 mg/kg
NFPA 704
3
3 2

Propionyl chloride price More Price(29)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich P51559 Propionyl chloride 98% 79-03-8 25g $40 2024-03-01 Buy
Sigma-Aldrich P51559 Propionyl chloride 98% 79-03-8 500g $65.1 2024-03-01 Buy
Sigma-Aldrich 8.07063 Propionyl chloride for synthesis 79-03-8 100mL $54.5 2024-03-01 Buy
Sigma-Aldrich 8.07063 Propionyl chloride for synthesis 79-03-8 500mL $67.5 2024-03-01 Buy
TCI Chemical P0516 Propionyl Chloride >98.0%(GC)(T) 79-03-8 25g $26 2022-04-27 Buy
Product number Packaging Price Buy
P51559 25g $40 Buy
P51559 500g $65.1 Buy
8.07063 100mL $54.5 Buy
8.07063 500mL $67.5 Buy
P0516 25g $26 Buy

Propionyl chloride Chemical Properties,Uses,Production

Chemical Properties

Propionyl chloride is a colorless to light yellow, volatile, and readily flammable liquid, whose vapors hydrolyze in moist air. It is corrosive, lachrymatory, and has a strongly pungent odor. With water and lower alcohols it reacts vigorously under solvolysis to give the acid or ester. It is used for the introduction of the propionyl group and for the synthesis of propionate esters because of its high reactivity.

Uses

Propionyl chloride is used as an intermediate in the production of agrochemicals and pharmaceuticals. It serves as an intermediate for dyes, textile auxiliaries and peroxide compounds. It acts as a crop protecting agent.

Application

Propionyl chloride is used for the introduction of the propionyl group and for the synthesis of propionate esters because of its high reactivity. It is an chemical intermediate in the preparation of various propionic acid derivatives, It can also be used:
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.
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.

Preparation

Propionyl chloride is synthesized by reacting propionic acid with phosphorus trichloride at 40-50°C for 1h, cooling, standing, separating and distilling to obtain the product.
CH3CH2COOH+PCl3→CH3CH2COCl+HOPCl2
Propionyl chloride is produced industrially by treatment of propionic acid with phosgene or thionyl chloride. The reaction occurs at ca. 50°C in the liquid phase in the presence of dialkylformamides. The product is then separated by distillation.
CH3CH2CO2H + COCl2 → CH3CH2COCl + HCl + CO2
Propionyl chloride can also be obtained by the reaction of propionic acid with PCl5.

General Description

Propionyl chloride appears as a colorless liquid with a pungent odor. Corrosive and very irritating to skin and eyes. Used to make other chemicals.

Air & Water Reactions

Highly flammable. Propionyl chloride reacts vigorously or violently with water to form propionic acid and hydrochloric acid [Merck 11th ed. 1989].

Reactivity Profile

Acid halides, such as Propionyl chloride, 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].

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.

Flammability and Explosibility

Highly flammable

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.

802294-64-0
79-03-8
Synthesis of Propionyl chloride from Propionic-2,3-14C1 acid (8CI)
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View Lastest Price from Propionyl chloride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Propionyl chloride pictures 2024-10-25 Propionyl chloride
79-03-8
US $1.00 / kg 1kg 99% 20tons Hebei Yanxi Chemical Co., Ltd.
 Propionyl chloride pictures 2024-09-29 Propionyl chloride
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US $160.00-150.00 / KG 100KG >99% 20 tons Shanghai Longyu Biotechnology Co., Ltd.
Propanoyl chloride pictures 2024-08-24 Propanoyl chloride
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US $17.00-10.00 / kg 1kg 99.99% 200ton Hebei Ganmiao New material Technology Co., LTD
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