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sulfurofluoridic acid

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Origin: China

Cas No: 7789-21-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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CAS No.: 7789-21-1 Formula: FHO3S Molecular Weight: 100.07000

Description

Fluorosulfuric acid (IUPAC name: sulfurofluoridic acid) is the inorganic compound with the chemical formula HSO3F. It is one of the strongest acids commercially available. The formula HSO3F emphasizes its relationship to sulfuric acid, H2SO4; HSO3F is a tetrahedral molecule. It is a colourless liquid although commercial samples are often yellow.

Basic Info

Chemical Name	sulfurofluoridic acid
Synonyms	Fluorosulfonic acid; Fluorosulphuric acid; sulfofluoride; Fluorosulfuric acid (HSO3F); Monofluorosulfuric acid; epoxysulfonyl fluoride; fluorosulfuric acid; FLUOSULFONIC ACID; Fluorosulphonic acid; Fluosulfuric acid;
CAS No.	7789-21-1
Molecular Formula	FHO3S
Molecular Weight	100.07000
PSA	62.75000
LogP	0.83950

Properties

Appearance & Physical State	colourless liquid
Density	1.905g/cm3
Boiling Point	165.5ºC
Melting Point	-87.3ºC
Refractive Index	1.392
Stability	Stable. May corrode glass. Incompatible with many metals, bases.
Storage Condition	2-8ºC
Vapor Density	3.5 (vs air)
Vapor Pressure	2.5 mm Hg ( 25 °C)

Safety Info

RTECS	LP0715000
Hazard Class	8
Safety Statements	S26-S45
Packing Group	I
WGK Germany	1
RIDADR	UN 1777 8/PG 1
Risk Statements	R20
Hazard Codes	C; T
Caution Statement	P280; P305 + P351 + P338; P310
Symbol	GHS05, GHS07
Signal Word	Danger
Hazard Declaration	H314; H332

Synthesis Route

hydrogen fluoride→sulfurofluoridic acid
3,3,4,4-tetrafluorooxathietane 2,2-dioxide→sulfurofluoridic acid
hydrogen fluoride→Water+sulfurofluoridic acid

Precursor

3,3,4,4-tetrafluorooxathietane 2,2-dioxide
disulfuric acid
Bis(fluorosulfonyl) peroxide
3,4,4-trifluoro-3-(trifluoromethyl)oxathietane 2,2-dioxide

Downstream Product

Disulfuryl difluoride
Propionyl fluoride
Phosphoryl fluoride
P-TOLUENESULFONYL FLUORIDE

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