Diisobutylene (DIB)
Our DIB is a C8 olefin obtained by dimerizing the isobutylene in Fraction C4. It can be used to produce a number of useufl derivatives through an addition, oxo reaction and the like. It is used as a basic raw material for alkylphenol, isononalic acid, rubber chemical, etc.
Molecular Formula | ENCS No. | CAS No. | Structural Formula |
---|---|---|---|
C8H16 | 2-24 | 25167-70-8 |
2,4,4-Trimethylpentene-1 (TMP-1)2,4,4-Trimethylpentene-2 (TMP-2) |
PHYSICAL PROPERTIES
TEST | UNIT | ANALYSIS | |
---|---|---|---|
TMP-1 | TMP-2 | ||
Molecular Weight | 112.2 | 112.2 | |
Boiling Point | ℃ | 101.4 | 104.9 |
Melting Point | ℃ | -93.5 | -106.4 |
Specific Gravity at (15/4℃) | 0.7192 | - | |
Refractive index () | 1.4086 | 1.4160 | |
Latent Heat of Evaporation | J/g | 251.2 | 253.3 |
Specific Heat at 60℃ Liquid Vapor (Cp) Vapor(Cv) |
J/g・℃ |
2.13 1.57 1.49 |
2.13 1.57 1.49 |
Flash Point | ℃ | -6.7 MAX. | -1.7 |
Explosive Limits in Air(estimation) | vol% | 1.0~7.0 | 1.0~7.0 |
SPECIFICATIONS AND TYPICAL ANALYSIS
TEST | UNIT | SPECIFICATIONS | TYPICAL ANALYSIS |
---|---|---|---|
Appearance | Clear and Colorless | Clear and Colorless | |
Composition TMP-1 TMP-2 |
wt% wt% |
|
76 20 |
Sulfer Olefin Peroxide |
ppm wt% ppm |
25 MAX. 99 MIN. 10 MAX. |
5 99.9 0.0 |
Color (Saybolt) | +25 MIN. | +30 | |
Density (15℃) | g/cm3 | 0.717~0.725 | 0.7213 |
Distillation Test
Initial Boiling Point
5% 95% Dry Point Total Distillation |
℃ ℃ ℃ ℃ vol% |
95.0 MIN. 110.0 MIN. report |
100.0 100.5 102.0 103.0 98.0 |
MAJOR USE: Raw material for para octylphenol, isononylalcohol, isooctane and rubber chemicals
UN CLASS 3 UN NO.2050
Note
The descriptions herein are based on the available sources and information but no guarantee is given for its integrity or accuracy.