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Sulfur trioxide
[CAS# 7446-11-9]

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Identification
ClassificationInorganic chemical industry >> Inorganic salt >> Oxides and peroxides >> Non-metal oxides and peroxides
NameSulfur trioxide
SynonymsSulfuric anhydride
Molecular StructureCAS # 7446-11-9, Sulfur trioxide
Molecular FormulaSO3
Molecular Weight80.06
CAS Registry Number7446-11-9
EC Number231-197-3
Properties
Density1.92
Melting point16.8 °C
Boiling point44.8 °C
Water solubilityreacts violently
Safety Data
Hazard Symbolssymbol   C  Details
Risk StatementsR14;R34  Details
Safety StatementsS25;S36/37/39;S45;S8  Details
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Skin corrosionSkin Corr.1AH314
Specific target organ toxicity - single exposureSTOT SE3H335
Serious eye damageEye Dam.1H318
Acute toxicityAcute Tox.2H330
CarcinogenicityCarc.2H351
Chronic hazardous to the aquatic environmentAquatic Chronic2H411
Skin corrosionSkin Corr.1BH314
CarcinogenicityCarc.1BH350
Oxidising liquidsOx. Liq.1H271
Acute toxicityAcute Tox.3H331
Acute toxicityAcute Tox.3H311
Acute toxicityAcute Tox.3H301
Transport InformationUN 1754; UN 1829
SDSAvailable
Market Analysis Reports
List of Reports Available for Sulfur trioxide
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