8.20281 EMD Millipore


2-Chlorobutane for synthesis. CAS 78-86-4, chemical formula CH₃CH₂CHClCH₃., for synthesis

Synonym: sec-Butyl chloride

  • CAS Number 78-86-4

  • Linear Formula C₄H₉Cl

  • Molecular Weight 92.56 g/mol

  •  EC Number 201-151-7



Related Categories Biochemicals and Reagents More...
bp   65 °C (1013 hPa)
expl. lim.     2.0 - 8.8 %(V)
vapor pressure   160 hPa (20 °C)
solubility   1.0 g/l
density   0.87 g/cm3 (20 °C)
flash point   -10 °C
autoignition temp.   460 °C
mp   -132 °C
pH   7 (H₂O, 20 °C) Aqueous solution
LD 50 oral   LD50 Rat 17400 mg/kg
LD 50 dermal   LD50 Rabbit 17400 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.872 - 0.874
  Identity (IR): passes test

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Safety Information

HS Code 
2903 19 00
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
Precautionary Statement(s) 
P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P223: Keep away from any possible contact with water, because of violent reaction and possible flash fire.
P403 + P235: Store in a well-ventilated place. Keep cool.
Storage class 
3 Flammable liquids
WGK 2 water endangering
Organic halogenated solvents and solutions of organic halogen-containing substances: For strongly contaminated or mixed halogenated solvents container B: Caution: Do not use aluminium containers; in addition, in the case of water-containing chlorinated waste materials do not use stainless-steel containers (danger of leaks caused by corrosion).
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Symbols 
Flammable  Flammable
Declaration (railroad and road) ADR, RID 
UN 1127 , 3, II
Declaration (transport by air) IATA-DGR 
UN 1127 , 3, II
Declaration (transport by sea) IMDG-Code 
UN 1127 , 3, II, Segregation Group: 10 (Liquid halogenated hydrocarbons)
Categories of danger 
highly flammable
R Phrase 
R 11
Highly flammable.
S Phrase 
S 9-16
Keep container in a well-ventilated place.Keep away from sources of ignition - No smoking.
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