Unfortunately, the stabilizer for this product is considered proprietary.
425478
Sulfur trioxide
contains stabilizer, ≥99%
Synonyme(s) :
Sulfuric anhydride
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About This Item
Formule linéaire :
SO3
Numéro CAS:
Poids moléculaire :
80.06
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352300
ID de substance PubChem :
Nomenclature NACRES :
NA.21
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Produits recommandés
Qualité
for analytical purposes
Niveau de qualité
Densité de vapeur
2.8 (vs air)
Pression de vapeur
280 mmHg ( 25 °C)
Essai
≥99%
Contient
stabilizer
Pertinence de la réaction
reagent type: oxidant
pb
44.7 °C (lit.)
Pf
16.8 °C (lit.)
Densité
1.97 g/mL at 25 °C (lit.)
Chaîne SMILES
O=S(=O)=O
InChI
1S/O3S/c1-4(2)3
Clé InChI
AKEJUJNQAAGONA-UHFFFAOYSA-N
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Description générale
Sulfur trioxide (SO3) is an oxide of sulfur. It is released during the combustion of sulfur bearing fuels.[1] Sulfur dioxide in the presence of vanadia catalyst oxidizes to form sulfur trioxide. The kinetics of this reaction has been studied.[2] Density function theory and ab initio methods have been used to study the hydrolysis of SO3 to form sulfuric acid.[3]
Application
Sulfur trioxide (SO3) may be used in the synthesis of methane sulfonic acid (MSA) by sulfonating methane.[4]
Mention d'avertissement
Danger
Mentions de danger
Classification des risques
Eye Dam. 1 - Skin Corr. 1A - STOT SE 3
Organes cibles
Respiratory system
Risques supp
Code de la classe de stockage
8B - Non-combustible corrosive hazardous materials
Classe de danger pour l'eau (WGK)
WGK 1
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Faceshields, Gloves, Goggles
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Hydrolysis of sulfur trioxide to form sulfuric acid in small water clusters.
Larson LJ, et al.
J. Chem. Phys. , 112(20), 8830-8838 (2000)
Luguang Chen et al.
Environmental science & technology, 47(3), 1729-1734 (2013-01-11)
Sulfur emission from a Victorian brown coal was quantitatively determined through controlled experiments in a continuously fed drop-tube furnace under three different atmospheres: pyrolysis, oxy-fuel combustion, and carbon dioxide gasification conditions. The species measured were H(2)S, SO(2), COS, CS(2), and
M Thanou et al.
Journal of controlled release : official journal of the Controlled Release Society, 117(2), 171-178 (2006-12-23)
Chitosan has been shown to act on the mucosal epithelial barriers mainly when protonated at acidic pH values in which it is soluble. Soluble chitosan is able to improve the permeation and absorption of neutral to cationic macromolecules only, as
Yan Cao et al.
Environmental science & technology, 44(9), 3429-3434 (2010-04-13)
The formation of sulfur trioxide (SO(3)) in coal-fired utility boilers can have negative effects on boiler performance and operation, such as fouling and corrosion of equipment, efficiency loss in the air preheater (APH), increase in stack opacity, and the formation
Huimin Qi et al.
International journal of biological macromolecules, 37(4), 195-199 (2005-11-29)
Polysaccharide extracted from Ulva pertusa (Chlorophyta) is a group of sulfated heteropolysaccharide; for simplicity, the sulfated polysaccharide is referred to as ulvan in this paper. In this study, different sulfate content ulvans were prepared with sulfur trioxide/N,N-dimethylformamide (SO3-DMF) in formamide
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