Isoprene

• Category :

  Catalyst and Auxiliary

• Synonyms :

  2-Methyl-1,3-butadiene;

• CAS NO :

  78-79-5

• EC NO :

  201-143-3

• Molecular Formula :

  C₅H₈

• Molecular Weight :

  68.12

• Main Specifications :

• InChI :

  InChI=1/C5H8/c1-4-5(2)3/h4H,1-2H2,3H3

• Product description :

  Molecular/Structural formula: C 5 H 8 /H 2 C=C(CH 3 )CH=CH 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%.
  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:
  Bulk 、 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.
  SPECIFICATIONS
  

  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

  
  Note: 1) DMF is dimethyl formamide.2) TBC is 4-(1, 1-dimethylethyl)-1, 2-dihydroxybenzene

• Molecular Structure :