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227692 Aldrich

Sulfur trioxide

contains stabilizer, ≥99%

Synonym: Sulfuric anhydride

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Properties

Related Categories Chemical Synthesis, Oxidizing Agents, Sulfur-Based, Synthetic Reagents
vapor density   2.8 (vs air)
vapor pressure   280 mmHg ( 25 °C)
InChI Key   AKEJUJNQAAGONA-UHFFFAOYSA-N
assay   ≥99%
contains   stabilizer
impurities   low-melting solid polymer (the formation of which is unavoidable)
bp   44.7 °C(lit.)
mp   16.8 °C(lit.)
density   1.97 g/mL at 25 °C(lit.)

Description

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Packaging

40 g in glass bottle

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
Reacts violently with water.
RIDADR 
UN1829 - class 8 - PG 1 - Sulphur trioxide, stabilized
WGK Germany 
1
RTECS 
WT4830000
Protocols & Articles
Peer-Reviewed Papers
15

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