Pharmaceutical Materials

CAS No.7789-21-1

Name

fluorosulfonic acid

Synonyms

HSO3F

fluorosulfonic

fluosulfuricacid

FLUOSULFONIC ACID

Fluorosulforic Acid

FLUOROSULFONIC ACID

FLUOROSULFURIC ACID

fluorosulfonic acid

Fluorosulphonic acid

fluorosulphuric acid

sulfurofluoridic acid

monofluorosulfuricacid

fluorosulfuricacid(hso3f)

 

Attribute	Details
Chemical Name	Fluorosulphonic Acid
CAS Number	7789-21-1
Synonyms	Fluorosulfonic Acid; HSO3F; Monofluorosulfuric Acid; FLUOSULFONIC ACID; Fluorosulfuric Acid
Molecular Formula	HFO3S
Molecular Weight	100.07 g/mol
Appearance	Colorless transparent fuming liquid with a strong pungent odor
Melting Point	-87.3°C
Density	1.74 g/mL (relative to water)
Vapor Pressure	0.942 mmHg at 25°C; 0.33 kPa at 25°C (alternative value)
Solubility	Soluble in water
Stability	Stable under normal conditions
pH	Strongly acidic
Uses	Used in the manufacture of pharmaceuticals and organic synthesis; as a catalyst; in the production of fluorinated compounds; and in various other industrial applications
Health Hazards	May cause severe irritation and corrosion to eyes, skin, and respiratory tract; may be harmful if inhaled, ingested, or absorbed through skin; symptoms may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting; severe exposure may be fatal
Safety Information	Handle with caution; wear appropriate personal protective equipment including respiratory protection, chemical-resistant gloves, and protective clothing; avoid contact with skin, eyes, and inhalation of vapor; in case of spill or leak, isolate the area, wear self-contained breathing apparatus, and avoid direct contact with the material; use dry sand, earth, or inert materials to absorb the spill and prevent spreading; do not use water or other water-based extinguishers as they may cause the material to react violently; store in a cool, dry, well-ventilated area away from heat, sparks, and incompatible materials.

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