Substance
ID:312459
Names and Identifiers
Synonyms
Sulfuric anhydrideSulfur trioxide硫酸酐三氧化硫
IUPAC Traditional name
sulfur trioxide
IUPAC name
sulfonylideneoxidane
Properties
Safety Information
Personal Protective Equipment
Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US)
Hazard Class
8
Packing Group
1
GHS Pictograms
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
Acute toxicity (oral, dermal, inhalation), categories 1,2,3
Respiratory sensitization, category 1
Germ cell mutagenicity, categories 1A,1B,2
Carcinogenicity, categories 1A,1B,2
Reproductive toxicity, categories 1A,1B,2
Specific Target Organ Toxicity – Single exposure, categories 1,2
Specific Target Organ Toxicity – Repeated exposure, categories 1,2
Aspiration Hazard, category 1
Oxidizing gases, category 1
Oxidizing liquids, categories 1,2,3
Risk Statements
45-8-14-26-34
German water hazard class
3
GHS Signal Word
Danger
GHS Precautionary statements
P201-P220-P260-P280-P284-P305+P351+P338
RTECS
WT4830000
European Hazard Symbols
Oxidising (O)
Highly toxic (T+)Safety Statements
53-17-26-36/37/39-45
GHS Hazard statements
H271-H314-H330-H350
MSDS Link
RID/ADR
UN 1829 8/PG 1
UN Number
1829
Product Information
Linear Formula
SO3
Purity
99%
Contains
stabilizer
Physical Property
Density
1.97 g/mL at 25 °C(lit.)
Boiling Point
44.7 °C(lit.)
Melting Point
16.8 °C(lit.)
Vapor Pressure
280 mmHg ( 25 °C)
Vapor Density
2.8 (vs air)
Molecule Details
Packaging
1.5, 8 lb in ss cylinder
Legal Information
DuPont product
1.5, 8 lb in ss cylinder
Legal Information
DuPont product
Molecular Spectra
No Data Available
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References
No Data Available
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