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: 9-(4-CARBOXYPHENYL)-3-FLUORONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

219305-27-8

219305-27-8 structure

219305-27-8 structure

Name: 9-(4-CARBOXYPHENYL)-3-FLUORONE
Chemical Name: 4-(2,3,7-trihydroxy-6-oxoxanthen-9-yl)benzoic acid
CAS Number: 219305-27-8
Molecular Formula: C₂₀H₁₂O₇
Molecular Weight: 364.30500
Create Date: 2016-10-28 01:21:16
Modify Date: 2025-09-18 08:46:48

Name	4-(2,3,7-trihydroxy-6-oxoxanthen-9-yl)benzoic acid
Synonyms	4-(2,6,7-Trihydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid 9-(4-Carboxyphenyl)-2,6,7-trihydroxy-3H-xanthen-3-one 9-(4-Carboxyphenyl)-3-fluoron PCPF Benzoic acid,4-(2,6,7-trihydroxy-3-oxo-3H-xanthen-9-yl) 9-(4-carboxyphenyl)-2,6,7-trihydroxyxanthen-3-one p-(Carboxyphenyl)fluorone

Density	1.73g/cm3
Boiling Point	742.7ºC at 760 mmHg
Molecular Formula	C₂₀H₁₂O₇
Molecular Weight	364.30500
Flash Point	274.1ºC
Exact Mass	364.05800
PSA	128.20000
LogP	3.37980
Vapour Pressure	3.65E-23mmHg at 25°C
Index of Refraction	1.816

HS Code	2932999099

613-03-6 structure

613-03-6

619-66-9 structure

619-66-9

~3%

219305-27-8 structure

219305-27-8

Literature: Kamino, Shinichiro; Kawamae, Yuko; Ijyuin, Megumi; Takada, Shingo; Yamaguchi, Takako; Doi, Mitsunobu; Fujita, Yoshikazu Chemical and Pharmaceutical Bulletin, 2009 , vol. 57, # 12 p. 1405 - 1408

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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