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3,5-Difluorobenzoic acid

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Origin: China

Cas No: 455-40-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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

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CAS No.: 455-40-3 Formula: C7H4F2O2 Molecular Weight: 158.10200

Basic Info

Chemical Name	3,5-Difluorobenzoic acid
Synonyms	3,5-difluorophenylcarboxylic acid; 3,5-di-fluorobenzoic acid; 3,5-Difluorobenzoic Acid; 3,5-Difluor-benzoesaeure;
CAS No.	455-40-3
Molecular Formula	C7H4F2O2
Molecular Weight	158.10200
PSA	37.30000
LogP	1.66300

Properties

Appearance & Physical State	off-white needles and chunks
Density	1.432 g/cm3
Boiling Point	243.2ºC at 760 mmHg
Melting Point	118-123ºC
Flash Point	100.9ºC
Refractive Index	1.512
Vapor Pressure	0.0175mmHg at 25°C

Safety Info

Safety Statements	S26-S37/39
HS Code	2916399090
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi
Hazard Declaration	H315; H319; H335
Signal Word	Warning
Symbol	GHS07
Caution Statement	P261; P305 + P351 + P338

Synthesis Route

2,3,5,6-Tetrafluorobenzoic acid→3-fluorobenzoic acid+3,5-Difluorobenzoic acid
pentafluorobenzoic acid→3-fluorobenzoic acid+2,3,5,6-Tetrafluorobenzoic acid
carbon dioxide+1-Bromo-3,5-difluorobenzene→3,5-Difluorobenzoic acid

Precursor

1-Bromo-3,5-difluorobenzene
carbon dioxide
1,3-difluorobenzene
(2,6-difluorophenyl)-triethylsilane

Downstream Product

Ethyl 3,5-difluorobenzoate
3,5-Difluoro-2-nitrobenzoic acid
2-(3-Fluoro-5-methoxyphenyl)acetonitrile
N-(3,5-Difluorophenyl)formamide

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