4,5-Difluorophthalic acid

Modify Date: 2024-01-02 18:11:26

4,5-Difluorophthalic acid Structure
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

 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

 Safety Information

Hazard Codes Xi
HS Code 2917399090

 Synthetic Route

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4,5-Difluorophthalic acid Structure

4,5-Difluoropht...

CAS#:18959-31-4

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

 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
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