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8.01976 EMD Millipore

Isobutyryl chloride

Isobutyryl chloride for synthesis. CAS 79-30-1, EC Number 201-194-1, chemical formula (CH₃)₂CHCOCl., for synthesis

Synonym: 2-Methylpropionyl chloride

  • CAS Number 79-30-1

  • Linear Formula C₄H₇ClO

  • Molecular Weight 106.55 g/mol

  •  EC Number 201-194-1



Related Categories Biochemicals and Reagents More...
packaging   250 ml in Glass bottle (8019760250)
expl. lim.     2.1 - 8.2 %(V)
vapor pressure   57 hPa (20 °C)
density   1.01 g/cm3 (20 °C)
flash point   8.5 °C
autoignition temp.   325 °C
mp   -90 °C
pH   <7 (H₂O)
LD 50 dermal   LD50 Rabbit > 2000 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): 1.008 - 1.009
  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.
Precautionary Statement(s) 
P210: Keep away from heat.
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.
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 2395 , 3 (8), II
Declaration (transport by air) IATA-DGR 
UN 2395 , 3 (8), II
Declaration (transport by sea) IMDG-Code 
UN 2395 , 3 (8), II, Segregation Group: 1 (Acids)
Categories of danger 
highly flammable, corrosive
R Phrase 
R 11-35
Highly flammable.Causes severe burns.
S Phrase 
S 16-23-26-36-45
Keep away from sources of ignition - No smoking.Do not breathe vapour.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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