8.07063 EMD Millipore

Propionyl chloride

Propionyl chloride for synthesis. CAS No. 79-03-8, EC Number 201-170-0., for synthesis

Synonym: Propionic acid chloride

  • CAS Number 79-03-8

  • Linear Formula C₃H₅ClO

  • Molecular Weight 92.52 g/mol

  •  EC Number 201-170-0



Related Categories Biochemicals and Reagents More...
bp   80 °C (1013 hPa)
expl. lim.     3.6 - 11.9 %(V)
vapor pressure   106 hPa (20 °C)
density   1.06 g/cm3 (20 °C)
flash point   6.5 °C
autoignition temp.   270 °C
mp   -94 °C
LD 50 oral   LD50 Rat 823 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 98.0 % (a/a)
  Density (d 20 °C/ 4 °C): 1.057 - 1.059
  Identity (IR): passes test

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Safety Information

HS Code 
2915 90 70
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H314: Causes severe skin burns and eye damage.
EUH014: Reacts violently with water.
Precautionary Statement(s) 
P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
P403 + P235: Store in a well-ventilated place. Keep cool.
Storage class 
3 Flammable liquids
WGK 1 slightly water endangering
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Symbols 
Corrosive  Corrosive
Hazard Symbols 
Flammable  Flammable
Declaration (railroad and road) ADR, RID 
UN 1815 , 3 (8), II
Declaration (transport by air) IATA-DGR 
UN 1815 , 3 (8), II
Declaration (transport by sea) IMDG-Code 
UN 1815 , 3 (8), II, Segregation Group: 1 (Acids)
Categories of danger 
highly flammable, harmful, corrosive
R Phrase 
R 11-14-20-34
Highly flammable.Reacts violently with water.Harmful by inhalation.Causes burns.
S Phrase 
S 8-16-26-36/37/39-45
Keep container dry.Keep away from sources of ignition - No smoking.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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