Isoprene for industrial use

产品介绍：

This product is an isoprene product for industrial use, which is made from pyrolysis carbon 5 in the process of petroleum cracking to ethylene by distillation and extraction distillation.

Chemical name: 2-methyl-1, 3-butadiene, also known as isoprene.

Structure of short form：CH2=C(CH3)CH=CH2

Molecular formula：C5H8

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产品指标：

Indicators project	Unit	Indicators			Analysis method
		Polymer grade		Chemical grade
		First class products	Qualified products	-
Appearance		Clear and transparent liquid,no mechanical impurities			Visual inspection
Chroma（Pt-Co)	Number	≤30	≤30	≤100	GB/T 3143
Isoprene	wt%	≥99.5	≥99.2	≥98.5	SH/T 1782
Isoprene dimer	wt%	≤0.15	≤0.20	-
Alkanes and monoolefins	wt%	≤0.50	≤0.80	-
Cyclopentadiene	ppm	≤3	≤5	8~11%	Pressure sensitive adhesive,hot melt adhesive
Total alkyne	ppm	≤30	≤50	-
Between pentadiene	ppm	≤50	≤80	-
Extraction solvent	ppm	≤5	≤10	-	SH/T 1784
Sulfur	ppm	≤5	≤10	-	SH/T 0689
Carbonyl compounds(as ether)	ppm	≤5	≤10	-	GB 1788
Moisture	wt%	≤0.02	≤0.02	≤0.03	GB/T 6283
Polymerization inhibitor	wt%	0.004～0.02			GB/T 6020

包装、储运：

Steel storage tank is used for storage, and steel tank car can be used for transportation.

Should prevent exposure to the sun, rain, transport vehicles should be clean and dry./p>

It shall comply with the relevant regulations of the transportation department on the transport of dangerous goods.

应用领域：

The main production of polyisoprene rubber, thermoplastic elastomer SIS, butyl rubber, etc. Can also be used in the production of vitamins, drugs, spices, epoxy hardener and other fine chemical products.

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