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ChemicalBook >> CAS DataBase List >> DIISOBUTYLENE


  • $18 - $81.5
  • Product name: DIISOBUTYLENE
  • CAS: 25167-70-8
  • MF: C8H16
  • MW: 112.21264
  • EINECS:246-690-9
  • MDL Number:MFCD00008855
  • Synonyms:2,4,4-trimethyl-penten ;diisobutylene,isomericcompounds ;DI-ISO-BUTYLENE MIXTURE OF 2 4 4-TRIMET&;Pentene, 2,4,4-trimethyl-;2,4,4-trimethyl-1-pentene + 2,4,4-trimethyl-2-pentene;DIISOBUTYLENE(MIXTURE OF ISOMERS);Diisobutylene (mixture of isomers) (stabilized with BHT);(Mixture of isoMers) (stabilized with BHT)
3 prices
Selected condition:


  • Sigma-Aldrich
  • TCI Chemical


  • 25mL
  • 500mL
  • 1l-f
Manufacturer Product number Product description Packaging Price Updated Buy
Sigma-Aldrich 38180 Diisobutylene technical, ≥90% (3 parts 2,4,4-trimethyl-1-pentene + 1 part 2,4,4-trimethyl-2-pentene, GC) 1l-f $81.5 2018-11-13 Buy
TCI Chemical I0147 Diisobutylene (mixture of isomers)(stabilized with BHT) >94.0%(GC) 25mL $18 2017-11-08 Buy
TCI Chemical I0147 Diisobutylene (mixture of isomers)(stabilized with BHT) >94.0%(GC) 500mL $32 2017-11-08 Buy


Melting point: :-106°C(lit.)
Boiling point: :101-103 °C(lit.)
Density  :0.716 g/mL at 20 °C(lit.)
refractive index  :n20/D 1.411
Flash point: :2 °C

Safety Information

Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P331 Do NOT induce vomiting.
P391 Collect spillage. Hazardous to the aquatic environment
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P501 Dispose of contents/container to..…


Diisobutylene, an alkene, may be used in the following studies:To compose alternalte diesel fuel.As fuel in single-cylinder engine; exhaust generated from combustion due to the burning of fuel has been reported to contain high concentrations of olefins.1Preparation of mono- and dialkylated diphenylamines.

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