4,5-Difluorophthalic acid

Modify Date: 2025-08-26 18:17:14

4,5-Difluorophthalic acid structure	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	N/A	Flash Point	182.9±27.9 °C

Name	4,5-Difluorophthalic acid
Synonym	More Synonyms

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

Hazard Codes	Xi
HS Code	2917399090

4,5-dichloropht...

CAS#:942-06-3

4,5-Difluoropht...

CAS#:18959-31-4

Literature: US2006/223830 A1, ; Page/Page column 39 ; US 20060223830 A1

Precursor 1
CAS#:942-06-3 4,5-dichloropht...
DownStream 2
CAS#:455-86-7 3,4-Difluoroben... CAS#:83506-93-8 2-Amino-4,5-dif...

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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