Diisobutylene (DIB)
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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-1 (TMP-1)

2,4,4-Trimethylpentene-2 (TMP-2)

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%

)95 MIN.

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.
)with in2℃
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.

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