435597
发烟硫酸
reagent grade, 20%, as free SO3
别名:
发烟硫酸
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关于此项目
线性分子式:
H2SO4 · (SO3)x
化学文摘社编号:
分子量:
98.08
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
2037554
Concentration:
20% (free SO3)
Form:
liquid
Grade:
reagent grade
grade
reagent grade
Quality Level
vapor density
3 (vs air)
vapor pressure
2 mmHg ( 25 °C)
form
liquid
concentration
20% (free SO3)
density
1.925 g/mL at 25 °C (lit.)
SMILES string
O=S(=O)=O.OS(O)(=O)=O
InChI
1S/H2O4S.O3S/c1-5(2,3)4;1-4(2)3/h(H2,1,2,3,4);
InChI key
HIFJUMGIHIZEPX-UHFFFAOYSA-N
General description
Fuming sulfuric acid is an inorganic acid, that can be produced by the addition of sulfur trioxide to concentrated sulfuric acid. It is commonly used as a sulfonating reagent in sulfonation reactions. When fuming sulfuric acid is employed as reaction medium, bromination takes place only in the pyridine nucleus of isomeric methylpyridines and 2,6-dimethylpyridine. It can also oxidize fullerene C60 to form fullerene polymers.
Application
Fuming sulfuric acid may be used as a sulfonating agent for the synthesis of:
- sulfonated poly(1,4-phenylene sulfide)
- water-soluble polyphosphazene polyelectrolyte
- sulfated graphene
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Inhalation - Skin Corr. 1A - STOT SE 3
target_organs
Respiratory system
supp_hazards
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
新产品
此项目有
Sulfated graphene as an efficient solid catalyst for acid-catalyzed liquid reactions.
Liu F, et al.
Journal of Materials Chemistry, 22(12), 5495-5502 (2012)
Daley RF and Daley SJ.
Organic Chemistry, Part 3 of 3, 801-801 null
Bromination of methylpyridines in fuming sulfuric acid.
Van der Does L and Hertog HJD.
Rec. Trav. Chim., 84(7), 951-964 (1965)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 435597-500G | 04061832114460 |