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  • 8.14734 - 2,4,4-Trimethylpentene

8.14734 EMD Millipore


2,4,4-Trimethylpentene (mixture of isomers) for synthesis. CAS 91052-99-2., (mixture of isomers) for synthesis

Synonym: Diisobutylene

  • CAS Number 91052-99-2

  • Linear Formula C₈H₁₆

  • Molecular Weight 112.21 g/mol

  •  EC Number 293-261-7



Related Categories Biochemicals and Reagents More...
packaging   100 ml in Glass bottle (8147340100)
bp   >98 °C (1013 hPa)
vapor pressure   10 hPa (20 °C)
solubility   <0.1 g/l
density   0.72 g/cm3 (20 °C)
flash point   -12 °C
autoignition temp.   380 °C DIN 51794
mp   -106 °C
viscosity kinematic   0.55 mm2/s
LD 50 oral   LD50 Rat > 2000 mg/kg
LD 50 dermal   LD50 Rat > 2000 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 90.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.716 - 0.720
  Identity (IR): passes test

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Safety Information

HS Code 
2901 29 00
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H304: May be fatal if swallowed and enters airways.
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.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
Storage class 
3 Flammable liquids
WGK 2 water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
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 2050 , 3, II
Declaration (transport by air) IATA-DGR 
UN 2050 , 3, II
Declaration (transport by sea) IMDG-Code 
UN 2050 , 3, II
Categories of danger 
highly flammable, dangerous for the environment, harmful
R Phrase 
R 11-50/53-65
Highly flammable.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.Harmful: may cause lung damage if swallowed.
S Phrase 
S 61-62
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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