I. Basic information:
Product name: Diisobutylene, 98%
English name: （2,4,4-TRIMETHYL-1-PENTENE）
CAS RN: 107-39-1
EINECS No.: 203-486-4
Molecular weight: 112.21

Molecular formula: C₈H₁₆

Structural formula:

II. Quality index:
Diisobutylene: ≥ 98％
Tertiary butanol content: ≤ 1％
Moisture: ≤ 30 
Tert-butyl ester: ≤ 2％

III. Physical and chemical properties:
Appearance: colorless transparent liquid
Density:0.716 g/mL at 20 ℃(lit.)

Melting point:-101 ℃
Boiling point:101-103 ℃(lit.)

Flash point:21 °F
Refractive index:1.407-1.409

IV. Security data:
Dangerous mark:F；N
Hazard class code:R11；R51/53 
Safety instruction:S9;S16;S29;S33;S61 
Dangerous chemical transportation number:UN 2050 3/PG 2

V. Main uses:
Diisobutylene is used in preparing tackifier for synthetic rubber, modifier for surfactant, phenolic resin and epoxy resin, ultraviolet light absorber, polymerization inhibitor, PVC stabilizer, plasticizer, and etc.