8.21627 EMD Millipore


Isooctane for synthesis. CAS 540-84-1, EC Number 208-759-1, chemical formula CH₃C(CH₃)₂CH₂CH(CH₃)CH₃., for synthesis

Synonym: 2,2,4-Trimethylpentane, Isobutyltrimethylmethane, iso-Octane

  • CAS Number 540-84-1

  • Linear Formula C₈H₁₈

  • Molecular Weight 114.23 g/mol

  •  EC Number 208-759-1



Related Categories Biochemicals and Reagents More...
packaging   1 l in Glass bottle (8216271000)
bp   99 °C (1013 hPa)
expl. lim.     1 %(V)
vapor pressure   51 hPa (20 °C)
solubility   0.56 mg/l
density   0.69 g/cm3 (20 °C)
flash point   -12 °C
autoignition temp.   410 °C
mp   -107 °C
saturation concentration (air)   239 g/m3 (20 °C)
LD 50 oral   LD50 Rat > 2500 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): 0.691 - 0.692
  Identity (IR): passes test

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Safety Information

HS Code 
2901 10 00
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H304: May be fatal if swallowed and enters airways.
H315: Causes skin irritation.
H336: May cause drowsiness or dizziness.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) 
P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P240: Ground/bond container and receiving equipment.
P273: Avoid release to the environment.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
Storage class 
3 Flammable liquids
WGK 2 water endangering
Strongly contaminated halogen-free organic solvents: container A.
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Flammable  Flammable
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 1262 , 3, II
Declaration (transport by air) IATA-DGR 
UN 1262 , 3, II
Declaration (transport by sea) IMDG-Code 
UN 1262 , 3, II, Marine Pollutant: P
Categories of danger 
highly flammable, irritant, harmful, dangerous for the environment
R Phrase 
R 11-38-65-67-50/53
Highly flammable.Irritating to skin.Harmful: may cause lung damage if swallowed.Vapours may cause drowsiness and dizziness.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 9-16-29-33-60-61-62
Keep container in a well-ventilated place.Keep away from sources of ignition - No smoking.Do not empty into drains.Take precautionary measures against static discharges.This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label.
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