Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,4'-(Phenylphosphoryl)dibenzoic acid
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Bis(4-carboxyphenyl) phenyl phosphine oxide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 4,4'-(Phenylphosphoryl)dibenzoic acid
Price: ￥Inquiry/10g ￥Inquiry/1g ￥Inquiry/5g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

803-19-0

803-19-0 structure

803-19-0 structure

Name: 4,4'-(Phenylphosphoryl)dibenzoic acid
Chemical Name: 4-[(4-carboxyphenyl)-phenylphosphoryl]benzoic acid
CAS Number: 803-19-0
Molecular Formula: C₂₀H₁₅O₅P
Molecular Weight: 366.304
Create Date: 2018-05-18 08:00:00
Modify Date: 2025-08-26 15:45:54

Names
Properties

Name	4-[(4-carboxyphenyl)-phenylphosphoryl]benzoic acid
Synonyms	4,4'-(Phenylphosphoryl)dibenzoic acid Benzoic acid, 4-[(4-carboxyphenyl)phenylphosphinyl]- 4,4'-phenylphosphonoyl-di-benzoic acid Phenyl-di-<4-carboxy-phenyl>-phosphinoxyd 4,4'-Phenylphosphonoyl-di-benzoesaeure

Density	1.4±0.1 g/cm3
Boiling Point	642.9±55.0 °C at 760 mmHg
Molecular Formula	C₂₀H₁₅O₅P
Molecular Weight	366.304
Flash Point	342.6±31.5 °C
Exact Mass	366.065704
PSA	101.48000
LogP	2.22
Vapour Pressure	0.0±2.0 mmHg at 25°C
Index of Refraction	1.668

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