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: 3,3',4,4'-Biphenyltetracarboxylic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 3,3',4,4'-Biphenyltetracarboxylic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 3,3',4,4'-Biphenyltetracarboxylic acid
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

22803-05-0

22803-05-0 structure

22803-05-0 structure

Name: 3,3',4,4'-Biphenyltetracarboxylic acid
Chemical Name: 4-(3,4-dicarboxyphenyl)phthalic acid
CAS Number: 22803-05-0
Molecular Formula: C₁₆H₁₀O₈
Molecular Weight: 330.246
Create Date: 2018-02-24 08:00:00
Modify Date: 2026-07-14 19:13:25

Name	4-(3,4-dicarboxyphenyl)phthalic acid
Synonyms	Biphenyl-3,3',4,4'-tetracboxylicacid 1,1'-Biphenyl]-3,3',4,4'-tetracboxylic acid 3,4,3',4'-biphenyltetracarboxylic acid 4-(3,4-dicboxyphenyl)phthalicaci diphenyl-3,3',4,,4'-tetracarboxylic acid 5,5'-Bi[phthalic acid] [1,1'-Biphenyl]-3,3',4,4'-tetracarboxylic acid 3,3′,4,4′-Biphenyl tetracboxylic acid 4-(3,4-dicboxyphenyl)phthalic Acid 3,3',4,4'-[1,1'-Biphenyl]tetracboxylic acid 3,3',4,4'-biphenyltetracboxylic acid DK7661 DK7244 biphenyl-3,3′,4,4′-tetracarboxylic acid MFCD00496632 3,3',4,4'-Biphenylte Biphenyl-3,3',4,4'-tetracarboxylic acid 4,4'-biphenyltetracarboxylic acid [1,1'-BIPHENYL]-3,3',4,4'-TETRACBOXYLIC ACID 3,34,4-BIPHENYL TETRACBOXYLIC ACID, MIN 4,4'-biphthalic acid 3',4,4'-Biphenyltetracboxylic acid 3,4,3',4'-Biphenyltetracboxylic acid 1,1'-biphenyl-2,3',3,4'-tetracarboxylic acid

Density	1.6±0.1 g/cm3
Boiling Point	673.3±55.0 °C at 760 mmHg
Melting Point	>300ºC
Molecular Formula	C₁₆H₁₀O₈
Molecular Weight	330.246
Flash Point	375.0±28.0 °C
Exact Mass	330.037567
PSA	149.20000
LogP	1.72
Vapour Pressure	0.0±2.2 mmHg at 25°C
Index of Refraction	1.693

Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	26-36
HS Code	2917399090

Precursor 6
86-90-8 87639-57-4 7500-55-2 63297-02-9
36978-37-7 6301-60-6
DownStream 1
2420-87-3

HS Code	2917399090
Summary	2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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