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China Supply for Liquid Isoprene CAS 78-79-5

US$ 800 - 1,300 MOQ: 1 Ton

Key Specifications

CAS No.:

78-79-5

Place of Origin:

Shandong, China

Type:

Other, alkene

Zibo Qilong Chemical Industry Co., Ltd.

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Port of Shipment:

QINGDAO PORT

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CAS No. 78-79-5

Place of Origin Shandong, China

Type Other, alkene

CERTIFICATE OF ANALYSIS

Item Name: China supply for Isoprene CAS 78-79-5

Other names:2-Methyl-1,3-butadiene; Isoprene (99%+)

CAS No:78-79-5

EINECS No:201-143-3

Formula:C5H8

Molecular Weight:68.12

NO	Index name	Polymerization Grade Isoprene	Chemical Grade Isoprene	Test method
1	Appearance	colorless or light color transparent without mechanical impurities
2	Hazen ≤	30	100	GB/T3143-1982
3	Assay, % (m/m) ≥	99.5	98.5	Q/SH3045 039-2008
4	Isoprene dimer, % (m/m) ≤	0.20	----
5	Alkane and mono olefin, % (m/m)	0.50	-----
6	cyclopentadiene ,% mg/kg≤	0.00010	-----
7	Alkyne, % mg/kg≤	0.0050	-----
8	piperyene,% mg/kg≤	0.0080	------
9	MDF1, % mg/kg≤	0.0010	-----
10	S, % mg/kg≤	0.00050	-----	GB/T6324-2008or SH/T0689-2000
11	carbonyl compound,% mg/kg≤	0.0010	-----	Q/SH3045 039-2008
12	Moisture ,% mg/kg≤	0.020	0.030	GB/T6283-2008
13	TBC, % mg/kg≤	0.0040-0.0200	-----	GB/T6020-2008
Storage:Sealed, kept in cool and ventilating place, keep temperature below 15°C. Avoid direct light, fire and heat. Do not expose to air, the package should be filled with nitrogen. Do not mix with oxidant and acid.