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About This Item
经验公式（希尔记法）:
C4H6N2 · H2SO4
CAS号:
分子量:
180.18
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
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质量水平
方案
≥94.5% (HPLC)
95%
表单
solid
杂质
≤1% water
痕量阴离子
chloride (Cl-): ≤20 mg/kg
SMILES字符串
OS(O)(=O)=O.Cn1ccnc1
InChI
1S/C4H6N2.H2O4S/c1-6-3-2-5-4-6;1-5(2,3)4/h2-4H,1H3;(H2,1,2,3,4)
InChI key
TVEOIQKGZSIMNG-UHFFFAOYSA-N
应用
1-Methylimidazolium hydrogen sulfate is a Brønsted acidic ionic liquid that can be used:
- As a component of a catalytic system along with chlorotrimethylsilane used in the preparation of 3,4-dihydropyrimidin-2(1H)-ones and hydroquinazoline-2,5-diones.
- As a catalyst in the preparation of biologically important 2,5-dimethyl-N-substituted pyrroles.
- As a reusable catalyst in the preparation of spiro[indoline-3′,2-quinazoline]2′,4(3H)-dione.
- In the leaching of copper and zinc in brass dross using H2O2 as an oxidant.
警示用语：
Danger
危险声明
危险分类
Eye Dam. 1 - Skin Corr. 1B
储存分类代码
8A - Combustible corrosive hazardous materials
WGK
WGK 3
闪点(°F)
>536.0 °F - (External MSDS)
闪点(°C)
> 280 °C - (External MSDS)
个人防护装备
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
新产品
An environmental friendly approach for the synthesis of spiro [indoline-3′, 2-quinazoline] 2′, 4 (3H)-dione using 1-methylimidazolium hydrogen sulfate, as reusable catalyst
Kefayati H, et al.
J. Chin. Chem. Soc., 60(10), 1197-1201 (2013)
Application of 1-methylimidazolium hydrogen sulfate ionic liquid to the oxidative leaching of copper and zinc in industrial brass dross
Energy Technology 2015, 209-215 (2015)
1-Methylimidazolium hydrogen sulfate/chlorotrimethylsilane: an effective catalytic system for the synthesis of 3, 4-dihydropyrimidin-2 (1H)-ones and hydroquinazoline-2, 5-diones
Kefayati H, et al.
Journal of Molecular Liquids, 172, 147-151 (2012)
Daqing Li et al.
Ultrasonics sonochemistry, 20(5), 1144-1148 (2013-03-15)
Ionic liquid [HMIM]HSO4 was found to be an efficient catalyst for the synthesis of N-substituted pyrroles through the reaction of 2,5-hexanedione with amines under ultrasonic irradiation at room temperature. These reactions proceed with good yields under short reaction time. Furthermore
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