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(maleimido)-1,1'-biphenyl
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3278-30-6

3278-30-6 structure

3278-30-6 structure

Name: 4,4'-Bis(maleimido)-1,1'-biphenyl
Chemical Name: 1-[4-[4-(2,5-dioxopyrrol-1-yl)phenyl]phenyl]pyrrole-2,5-dione
CAS Number: 3278-30-6
Molecular Formula: C₂₀H₁₂N₂O₄
Molecular Weight: 344.32000
Create Date: 2019-01-01 10:53:13
Modify Date: 2025-09-11 20:08:47

Name	1-[4-[4-(2,5-dioxopyrrol-1-yl)phenyl]phenyl]pyrrole-2,5-dione
Synonyms	N,N'-4,4'-Diphenylendimaleamid 1,1'-Biphenyl-4,4'-diyl-bis-pyrrol-2,5-dion 1,1'-biphenyl-4,4'-diyl-bis-pyrrole-2,5-dione 1,1'-biphenyl-4,4'-diylbis(1h-pyrrole-2,5-dione)

Density	1.456g/cm3
Boiling Point	581.4ºC at 760mmHg
Molecular Formula	C₂₀H₁₂N₂O₄
Molecular Weight	344.32000
Flash Point	281.7ºC
Exact Mass	344.08000
PSA	74.76000
LogP	2.34240
Index of Refraction	1.696

HS Code	2925190090

108-31-6 structure

108-31-6

92-87-5 structure

92-87-5

~%

3278-30-6 structure

3278-30-6

Literature: Kovacic; Hein Journal of the American Chemical Society, 1959 , vol. 81, p. 1187,1189

Precursor 2
108-31-6 92-87-5
DownStream 0

HS Code	2925190090
Summary	2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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