425478
三氧化硫
contains stabilizer, ≥99%
别名:
硫酸酐
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关于此项目
线性分子式:
SO3
化学文摘社编号:
分子量:
80.06
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
231-197-3
MDL number:
Assay:
≥99%
InChI key
AKEJUJNQAAGONA-UHFFFAOYSA-N
InChI
1S/O3S/c1-4(2)3
SMILES string
O=S(=O)=O
vapor density
2.8 (vs air)
vapor pressure
280 mmHg ( 25 °C)
assay
≥99%
contains
stabilizer
reaction suitability
reagent type: oxidant
bp
44.7 °C (lit.)
mp
16.8 °C (lit.)
density
1.97 g/mL at 25 °C (lit.)
Quality Level
General description
三氧化硫 (SO 3 ) 是硫的氧化物。在含硫燃料燃烧过程中释放。在钒催化剂存在下，二氧化硫氧化生成三氧化硫。对该反应的动力学进行了研究。用密度泛函理论和从头算 方法研究了 SO 3 水解成硫酸的过程。
Application
三氧化硫 (SO 3 ) 可用于甲烷磺化合成甲磺酸 (MSA)。
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
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Bisphenol A (BPA) is a widely used plasticizer whose estrogenic properties may impact hormone-responsive disorders and fetal development. In vivo, BPA appears to have greater activity than is suggested by its estrogen receptor (ER) binding affinity. This may be a
T Kapias et al.
Journal of hazardous materials, 67(1), 9-40 (1999-05-20)
A new model describing the dispersion behaviour and the processes that occur in a cloud generated from accidental spills of SO3 and oleum has been developed. Such a cloud may initially behave as a dense gas, with several chemical and
Wei Liu et al.
Journal of agricultural and food chemistry, 58(1), 172-179 (2009-12-17)
The sulfation of psyllium was carried out with sulfur trioxide-pyridine in dimethyl formamide. Three sulfated psyllium derivatives, named SP1, SP2, and SP3, were characterized by sulfur content determination, elemental analysis, FT-IR, and surface charge analysis. The sulfated derivatives were also
Oxidation of sulfur dioxide to sulfur trioxide over supported vanadia catalysts.
Dunn JP, et al.
Applied Catalysis. B, Environmental, 19(2), 103-117 (1998)
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