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perfluorobutyric acid

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Origin: China

Cas No: 375-22-4

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.: 375-22-4 Formula: C4HF7O2 Molecular Weight: 214.03800

Description

Heptafluorobutyric acid (HFBA) is an organofluorine compound with the formula C3F7CO2H. As the fluorinated derivative of butyric acid, this colourless liquid is prepared by electrofluorination of the corresponding butyryl fluoride.

Basic Info

Chemical Name	perfluorobutyric acid
Synonyms	Butanoic acid, heptafluoro-; Perfluorobutyric Acid; 2,2,3,3,4,4,4-heptafluorobutanoic acid; Heptafluorobutyric acid;
CAS No.	375-22-4
Molecular Formula	C4HF7O2
Molecular Weight	214.03800
PSA	37.30000
LogP	1.90390

Properties

Appearance & Physical State	clear, colorless liquid.
Density	1.645
Boiling Point	120ºC (755 mmHg)
Melting Point	-17.5ºC
Flash Point	18ºC
Refractive Index	1.3
Water Solubility	miscible
Stability	Stable under normal temperatures and pressures.
Storage Condition	2-8ºC
Vapor Density	7 (vs air)
Vapor Pressure	~10 mm Hg ( 25 °C)

Safety Info

RTECS	ET4025000
Hazard Class	8
Safety Statements	S26-S36/37/39-S45
HS Code	2915900090
Packing Group	II
WGK Germany	3
RIDADR	UN 3265
Risk Statements	R35
Hazard Codes	C
Symbol	GHS05
Signal Word	Danger
Hazard Declaration	H314
Caution Statement	P280; P305 + P351 + P338; P310

Synthesis Route

sodium perfluorobutanesulfinate+Allyl bromide→perfluorobutyric acid+4,4,5,5,6,6,7,7,7-nonafluoro-1-heptene
carbon dioxide+(heptafluoro n-propyl) magnesiumiodide→perfluorobutyric acid
sodium perfluorobutanesulfinate+3-Bromopropyne→perfluorobutyric acid+4,4,5,5,6,6,7,7,7-nonafluoro-1,2-heptadiene

Precursor

3-Bromopropyne
sodium perfluorobutanesulfinate
Allyl bromide
carbon dioxide

Downstream Product

heptafluorobutyric anhydride
1-benzyl-2-(1,1,2,2,3,3,3-heptafluoropropyl)-4,5-dihydroimidazole
perfluorohexane
Hexafluoropropylene

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