Isoprene
CAS NO.:78-79-5
Molecular/Structural formula:C5H8/H2C=C(CH3)CH=CH2
Properties:
There are two types: Polymerization Grade and Chemical Grade. It is colorless or slight color transparent inflammable & explosive liquid . Specific gravity:0.6806; melting point :-147.7℃; boiling point :34.1℃; flash point :-53.89℃;self-ignition :220℃; explosive limit (V/V) :1.5~9.7%.
Application:
Isoprene can be used in synthetic rubber, plastic, synthetic material and terpene compounds. It also can be used in flavor, pesticide, medicine, and vitamin E, etc.
Packing:
Iso Tank container or 200L drum.
Storage:
Sealed , kept in cool place or cooling place in summer (temp<15℃). Avoid direct light, fire and heat, kept in ventilating place. Do not expose to air, the package should be filled with nitrogen. Do not mix with oxidant and acid.
Transportation:
First grade hazardous chemical, bulk products can be packed in tank car.
|
NO
|
Index name
|
Poly-Isoprene
|
Chemical Isoprene
|
Testing method
|
|
1
|
Appearance
|
colorless or light color transparent without mechanical impurities
|
|
2
|
Assay, wt.ppm
|
99.2
|
98
|
GC
|
|
3
|
Isoprene dimer, wt.ppm
|
3000
|
－－
|
GC
|
|
4
|
Alkane and mono olefin, wt.ppm
|
residue
|
－－
|
GC
|
|
5
|
cyclopentadiene , wt.ppm
|
15
|
－－
|
GC
|
|
6
|
Alkyne, wt.ppm
|
50
|
－－
|
GC
|
|
7
|
piperyene, wt.ppm
|
80
|
－－
|
GC
|
|
8
|
MDF1, wt.ppm
|
10
|
－－
|
GC
|
|
9
|
S, wt.ppm
|
5
|
－－
|
GB 6324.4
|
|
10
|
carbonyl compound, wt.ppm
|
10
|
－－
|
GB 6324.5
|
|
11
|
Moisture, wt.ppm
|
200
|
－－
|
GB/T 6283
|
|
12
|
TBC, wt.ppm
|
20-150
|
－－
|
GB 6020
|
China
