Fluorosulfuric acid

Suppliers

Names

[ CAS No. ]:
7789-21-1

[ Name ]:
Fluorosulfuric acid

[Synonym ]:
Fluorosulfonic acid
Fluorosulphuric acid
sulfofluoride
Fluorosulfuric acid (HSO3F)
MFCD00066174
Monofluorosulfuric acid
epoxysulfonyl fluoride
perfluorosulfonic acid
EINECS 232-149-4
trifluoromethyl phosphonic acid anhydride
fluosulfuric acid
fluorosulfuric acid
Fluosulfonic acid
Fluorosulphonic acid
Fluorosulfuric acid (HSO)
Sulfurofluoridic acid

Chemical & Physical Properties

[ Density]:
1.9±0.1 g/cm3

[ Boiling Point ]:
165.5±9.0 °C at 760 mmHg

[ Melting Point ]:
−87.3 °C(lit.)

[ Molecular Formula ]:
FHO3S

[ Molecular Weight ]:
100.070

[ Exact Mass ]:
99.963043

[ PSA ]:
62.75000

[ LogP ]:
-0.16

[ Vapour density ]:
3.5 (vs air)

[ Vapour Pressure ]:
0.9±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.392

[ Stability ]:
Stable. May corrode glass. Incompatible with many metals, bases.

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
LP0715000
CHEMICAL NAME :
Fluorosulfuric acid
CAS REGISTRY NUMBER :
7789-21-1
LAST UPDATED :
199710
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
F-H-O3-S
MOLECULAR WEIGHT :
100.07
WISWESSER LINE NOTATION :
H2 S-O3 F

Safety Information

[ Symbol ]:

GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H314-H332

[ Precautionary Statements ]:
P280-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
C,T

[ Risk Phrases ]:
R20

[ Safety Phrases ]:
S26-S45

[ RIDADR ]:
UN 1777 8/PG 1

[ WGK Germany ]:
1

[ RTECS ]:
LP0715000

[ Packaging Group ]:
I

[ Hazard Class ]:
8

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • HYDROFLUORIC ACID
  • Tetrafluoroethanebeta-sultone
  • trifluoro-3-trifluoromethyl-1,2-oxathietane-2,2-dioxide
  • disulphuric acid
  • bis(fluorosulfuryl) peroxide
  • 2,2,2-trifluoroethanethioic S-acid
  • Sulfur trioxide
  • fluorosulfonic acid
  • Chlorosulfonic acid
  • Hydrogen Sulfate

DownStream

  • Propionyl fluoride
  • p-toluenesulfonyl fluoride
  • DISULFURYL FLUORIDEDISCONTINUED WHEN STOCK SOLD 4/10/00
  • 2,2-Difluoroacetyl chloride
  • Phosphoryl fluoride
  • tetrabromophosphonium ion
  • Bromine
  • fluorosulfonic acid
  • imido-bis(sulfuric acid) difluoride
  • Hydrochloric acid

Articles

Synthesis of alpha-fluorosulfonate and alpha-fluorosulfonamide analogues of a sulfated carbohydrate.

Org. Lett. 8(24) , 5617-20, (2006)

The first synthesis of sulfonamide and sulfonate analogues of a sulfated carbohydrate in which the ester oxygen of the sulfate is replaced with a CHF or CF2 group is reported. This was accomplished by...

Tailoring of interfacial mechanical shear strength by surface chemical modification of silicon microwires embedded in Nafion membranes.

ACS Nano 9 , 5143-53, (2015)

The interfacial shear strength between Si microwires and a Nafion membrane has been tailored through surface functionalization of the Si. Acidic (-COOH-terminated) or basic (-NH2-terminated) surface-b...

Perfluoro Allyl fluorosulfate (FAFS): a versatile building block for new fluoroallylic compounds.

Molecules 16 , 6512, (2011)

In this study we will present and discuss both the synthesis of CF(2) = CFCF(2)OSO(2)F (perfluoroallyl fluorosulfate, FAFS), focusing in particular on the important role of C(3)F(6)/SO(3) ratio, react...


More Articles

Related Compounds

  • Fluorosulfuric acid-d
  • Fluorosulfuric acid,hexyl ester
  • Fluorosulfuric acid,ethyl ester
  • Fluorosulfuric Acid Methyl Ester
  • fluorosulfuric acid phenyl ester
  • fluorosulfuric acid propyl ester
  • 6-hydroxy-2-[(E)-2-{5-[(4-methylphenyl)sulfanyl]furan-2-yl}ethenyl]-5-nitropyrimidin-4(3H)-one
  • 2-(2-(1,3,4-oxadiazol-2-yl)-1H-indol-1-yl)-N-methylacetamide
  • N-(3-methylphenyl)-3,4-dihydro-2H-1,5-benzodioxepine-7-sulfonamide
  • N-(3-fluorophenyl)-2-((2-(4-(furan-2-carbonyl)piperazin-1-yl)quinolin-8-yl)oxy)acetamide
  • Furan-2-yl(4-(8-((3-(trifluoromethyl)benzyl)oxy)quinolin-2-yl)piperazin-1-yl)methanone
  • N-(benzo[d][1,3]dioxol-5-ylmethyl)-2-(1-(thiophen-2-ylsulfonyl)piperidin-2-yl)acetamide
  • N-(2-(1-methyl-1,2,3,4-tetrahydroquinolin-6-yl)ethyl)pivalamide
  • N-(5-chloro-2-methoxyphenyl)-2-[(3-cyano-6-methylpyridin-2-yl)sulfanyl]acetamide
  • Ethyl 2-amino-6-(hydroxymethyl)-4-(3-methoxyphenyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate
  • 2'-Amino-7'-methyl-2,5'-dioxo-6'-[(pyridin-3-yl)methyl]-1,2,5',6'-tetrahydrospiro[indole-3,4'-pyrano[3,2-c]pyridine]-3'-carbonitrile
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