vapor density
2.8 (vs air)
vapor pressure
280 mmHg ( 25 °C)
assay
≥99%
form
liquid
contains
stabilizer
reaction suitability
reagent type: oxidant
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.)
SMILES string
O=S(=O)=O
InChI
1S/O3S/c1-4(2)3
InChI key
AKEJUJNQAAGONA-UHFFFAOYSA-N
General description
三氧化硫是硫的一种氧化物,在含硫燃料燃烧过程中释放出来。它可在钒催化剂存在下通过二氧化硫氧化制备。
Application
三氧化硫可用于通过磺化甲烷合成甲磺酸 (MSA),也可用于通过与氟烯烃反应合成氟化 β-砜。
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1A - STOT SE 3
target_organs
Respiratory system
supp_hazards
存储类别
8B - Non-combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles
法规信息
新产品
此项目有
相关内容
Instructions
Emissions of sulfur trioxide from coal-fired power plants.
Srivastava RK, et al.
Journal of the Air & Waste Management Association (1995), 54(6), 750-762 (2004)
Fluorinated ?-Sultones.
Knunyants IL & Sokolski GA
Angewandte Chemie (International Edition in English), 11(7), 583-595 null
Direct sulfonation of methane to methanesulfonic acid by sulfur trioxide catalyzed by cerium (IV) sulfate in the presence of molecular oxygen.
Mukhopadhyay S and Bell AT
Advanced Synthesis & Catalysis, 346(8), 913-916 (2004)

