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1, Molecular/Structural formula:C5H8/H2C=C(CH3)CH=CH2
2, 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%.
3, Uses: 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.
4, Packing: bulk or 200L drum.
5, Storage:Sealed , kept in cool place or cooling place in summer (temp<于15℃) > Avoid direct light, fire and heat, Kept in ventilating place. Do not contact with air,the package should be packed with nitrogen. Do not mix with oxidant and acid.
6, Transportation:First grade hazardous chemicals, bulk products can be packed in tank car.
Quality standard
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No.
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Index name
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Polymerization Grade Isoprene
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Chemical Grade Isoprene
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Test method
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1
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Appearance
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colorless or light color transparent without mechanical impurities
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2
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Assay, % (m/m) ≥
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chromatographic analysis
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3
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Isoprene dimer, % (m/m) ≤
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chromatographic analysis
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4
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Alkane and mono olefin, % (m/m)
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|
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chromatographic analysis
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5
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cyclopentadiene , mg/kg≤
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|
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chromatographic analysis
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6
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Alkyne, mg/kg≤
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chromatographic analysis
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7
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piperyene, mg/kg≤
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chromatographic analysis
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8
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MDF1, mg/kg≤
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chromatographic analysis
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9
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S, mg/kg≤
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GB 6324.4
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10
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carbonyl compound, mg/kg≤
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GB 6324.5
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11
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Moisture , mg/kg≤
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GB/T 6283
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12
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TBC, mg/kg≤
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GB 6020
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Note:1) DMF is dimethyl formamide. 2) TCB is 4-(1,1-dimethylethyl)-1,2-dihydroxybenzene.
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