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FLUOROSULFONIC ACID Structure

FLUOROSULFONIC ACID

Chemical Properties

Melting point −87.3 °C(lit.)
Boiling point 165.5 °C(lit.)
Density  1.726 g/mL at 25 °C(lit.)
vapor density  3.5 (vs air)
vapor pressure  2.5 mm Hg ( 25 °C)
storage temp.  2-8°C
solubility  reacts with H2O
pka -6.29±0.15(Predicted)
form  colorless liquid
color  colorless
Water Solubility  hydrolyzes violently in H2O; reddish?brown color in acetone [MER06]
Merck  13,4206
Stability Stable. May corrode glass. Incompatible with many metals, bases.
CAS DataBase Reference 7789-21-1(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII PPX0648643
EPA Substance Registry System Fluorosulfuric acid (7789-21-1)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H314-H332
Precautionary statements P261-P271-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  C,T
Risk Statements  20-35
Safety Statements  26-45
RIDADR  UN 1777 8/PG 1
WGK Germany  1
RTECS  LP0715000
Hazard Note  Corrosive/Toxic
HazardClass  8
PackingGroup  I
Hazardous Substances Data 7789-21-1(Hazardous Substances Data)

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FLUOROSULFONIC ACID Chemical Properties,Usage,Production

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