Sulfur trioxide - CAS # 7446-11-9


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CAS 7446-11-9 - Sulfur Trioxide

Chemical Name:  Sulfur trioxide

Chemical Formula:  O3S

CAS Number:  7446-11-9

EC Number (EINECS):  231-197-3

Synonyms:  SO3;Sulfur oxide (SO3);Sulfuric anhydride;Sulfan;Sulfuric oxide;Sulfur trioxide, stabilized;UN 1829

Appearance:  Needles or polymer

Melting Point:  16.8 C

Boiling Point:  44.7 C

Vapor Density:  2.8

Vapor Pressure:  280 mm Hg at 20 C

Water Solubility:  reacts violently

Stability:  Stable. Incompatible with organic materials, finely powdered metals, bases, water, cyanides and a wide variety of other chemicals. Reacts violently with water, oxygen and other chemicals - read a full data sheet before use.

Molecular Weight:  80.064

Alternate Names:  Sulfur Trioxide | SO3

Department:  Air

Related Hazardous Material Name:  Chlorosulfonic acid

Emergency Response Guide Number:  137


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Related Analytes (Sulfur trioxide):
Sulfur dichloride    Nitrogen trioxide    Sulfur dichloride    Bismuth trioxide    Cobalt trioxide    Antimony trioxide    Molybdenum trioxide    Phosphorus trioxide    Vanadium trioxide    Tungsten trioxide   





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