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| ENQ: |
Industrial Chemicals Dept. Alcohols & Ketones gr. |
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| 25-10 Hatchobori, 2chome, Chuo-ku, Tokyo 104-8502, JAPAN
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| TEL 03-3552-9372 FAX 03-5566-8395 |
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| E-mail akea@chemiway.co.jp
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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 C8H16 |
Structural Formula
| 2,4,4-Trimethylpentene-1 (TMP-1) |
2,4,4-Trimethylpentene-2 (TMP-2) |
 |
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| ENCS No. 2-24 |
| CAS No. 25167-70-8 |
| TEST |
ANALYSIS |
|
TMP-1
|
TMP-2
|
| Molecular Weight |
112.2
|
112.2
|
| Boiling Point (°C) |
101.4
|
104.9
|
| Melting Point (°C) |
-93.5
|
-106.4
|
| Specific Gravity at 15/4°C |
0.7192
|
-
|
Refractive index ( )
|
1.4086
|
1.4160
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|
| TEST |
ANALYSIS |
|
TMP-1
|
TMP-2
|
| Latent Heat of Evaporation |
J/g |
251.2
|
253.3
|
Specific Heat at 60°C
Liquid
Vapor (Cp)
Vapor (Cv) |
J/g·°C |
2.13
1.57
1.49
|
2.13
1.57
1.49
|
| Flash Point |
°C |
-6.7
|
-1.7
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| Explosive Limits in Air |
vol% |
1.0 ~ 7.0
|
1.0 ~ 7.0
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| SPECIFICATIONS AND TYPICAL ANALYSIS |
| TEST |
SPECIFICATIONS |
TYPICAL ANALYSIS |
TEST METHOD |
| Appearance |
|
Clear and Colorless |
Clear and Colorless |
|
Composition
TMP-1
TMP-2 |
wt%
wt% |
More than 95
More than 95 |
76
20 |
Gas chromatography |
Sulfer
Olefin
Peroxide |
ppm
wt%
ppm |
Not more than 25
More than 99
Not more than 10 |
5
99.9
0.0 |
JIS-K-2541
Gas chromatography
ASTM-D-1563 |
| Color (Saybolt) |
|
More than +25 |
+30 |
JIS-K-2580 |
| Density (15°C) |
g/cm³ |
0.717 ~ 0.725 |
0.7213 |
JIS-K-2249 |
Distllation Test
Initial Boiling Point
5%
95%
Dry Point
Total Distillation |
°C
°C
°C
°C
vol% |
More than 95.0
Not more than 2
Not more than 2
Not more than 110.0
report |
100.0
100.5
102.0
103.0
98.0 |
JIS-K-2254 |
| MAJOR USE: |
Raw material for para octylphenol, isononylalcohol, isooctane and rubber chemicals |
UN CLASS 3 UN NO.2050
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