CAS 18959-31-4|4,5-Difluorophthalic acid

Introduction：Basic information about CAS 18959-31-4|4,5-Difluorophthalic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	4,5-Difluorophthalic acid
CAS Number	18959-31-4	Molecular Weight	202.112
Density	1.6±0.1 g/cm3	Boiling Point	378.7±42.0 °C at 760 mmHg
Molecular Formula	C₈H₄F₂O₄	Melting Point	156 °C
MSDS	/	Flash Point	182.9±27.9 °C

Names

Name	4,5-Difluorophthalic acid
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.6±0.1 g/cm3
Boiling Point	378.7±42.0 °C at 760 mmHg
Melting Point	156 °C
Molecular Formula	C₈H₄F₂O₄
Molecular Weight	202.112
Flash Point	182.9±27.9 °C
Exact Mass	202.007767
PSA	74.60000
LogP	1.50
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.566
InChIKey	FFSBOABNRUJQFW-UHFFFAOYSA-N
SMILES	O=C(O)c1cc(F)c(F)cc1C(=O)O

Safety Information

Hazard Codes	Xi
HS Code	2917399090

Customs

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%

Synonyms

4,5-Difluor-phthalsaeure

1,2-benzenedicarboxylic acid,4,5-difluoro

1,2-Benzenedicarboxylic acid, 4,5-difluoro-

4,5-Difluorophthalic acid

4,5-Difluorobenzene-1,2-dicarboxylic acid

4,5-Difluoro phthalic acid

Recommended......