Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,4'-bis(methylsulfonyl)-2,2',5,5'-tetrachlorobiphenyl
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

66640-68-4

66640-68-4 structure

66640-68-4 structure

Name: 4,4'-bis(methylsulfonyl)-2,2',5,5'-tetrachlorobiphenyl
Chemical Name: 2,2',5,5'-tetrachloro-4,4'-bis(methylsulfonyl)biphenyl
CAS Number: 66640-68-4
Molecular Formula: C₁₄H₁₀Cl₄O₄S₂
Molecular Weight: 448.16900
Create Date: 2017-06-24 10:02:31
Modify Date: 2025-09-18 11:33:41

Name	2,2',5,5'-tetrachloro-4,4'-bis(methylsulfonyl)biphenyl
Synonyms	1utr Bmstbp 1,4-dichloro-2-(2,5-dichloro-4-methylsulfonylphenyl)-5-methylsulfonylbenzene

Density	1.566g/cm3
Boiling Point	613.2ºC at 760 mmHg
Molecular Formula	C₁₄H₁₀Cl₄O₄S₂
Molecular Weight	448.16900
Flash Point	324.6ºC
Exact Mass	445.87700
PSA	85.04000
LogP	6.93580
Index of Refraction	1.598

HS Code	2904909090

HS Code	2904909090
Summary	HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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