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2,3,5,6-Tetrafluorobenzoic acid

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Origin: China

Cas No: 652-18-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 652-18-6 Formula: C7H2F4O2 Molecular Weight: 194.08300

Basic Info

Chemical Name	2,3,5,6-Tetrafluorobenzoic acid
Synonyms	2,3,4,5-TETRAHYDRO-1-BENZOXEPIN-7-OL; 2,3,5,6-TetrafluorobenzoicAcid; 2,3,5,6-Tetrafluorbenzoesaeure;
CAS No.	652-18-6
Molecular Formula	C7H2F4O2
Molecular Weight	194.08300
PSA	37.30000
LogP	1.94120

Properties

Appearance & Physical State	white crystalline powder.
Density	1.633 g/cm3
Boiling Point	227.9ºC at 760 mmHg
Melting Point	148-152ºC
Flash Point	91.6ºC

Safety Info

Safety Statements	S22-S26-S37/39
WGK Germany	1
Risk Statements	R38; R41
Hazard Codes	Xi

Synthesis Route

pentafluorobenzoic acid→3-fluorobenzoic acid+2,3,5,6-Tetrafluorobenzoic acid
carbon dioxide+1,2,4,5-Tetrafluorobenzene→Tetrafluoroterephthalic acid+2,3,5,6-Tetrafluorobenzoic acid
pentafluorobenzoic acid→2,3,5,6-Tetrafluorobenzoic acid+2,3,5,6-Tetrafluoro-4-hydroxybenzoic acid

Precursor

carbon dioxide
Tetrafluoroterephthalic acid
Triethylsilane
pentafluorobenzoic acid

Downstream Product

3-fluorobenzoic acid
3,5-Difluorobenzoic acid
3-(bromomethyl)-1,2,4,5-tetrafluorobenzene
benzoic acid

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