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1H-1,2,3-三氮唑

英文名: 1H-1,2,3-triazole

CAS: 288-36-8      分子式: C2H3N3

分子量: 69.06530

别名:


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描述

1,2,3-Triazole is one of a pair of isomeric chemical compounds with molecular formula C2H3N3, called triazoles, which have a five-membered ring of two carbon atoms and three nitrogen atoms. 1,2,3-Triazole is a basic aromatic heterocycle. Substituted 1,2,3-triazoles can be produced using the azide alkyne Huisgen cycloaddition in which an azide and an alkyne undergo a 1,3-dipolar cycloaddition reaction. It is a surprisingly stable structure compared to other organic compounds with three adjacent nitrogen atoms. However, flash vacuum pyrolysis at 500 °C leads to loss of molecular nitrogen (N2) to produce aziridine. Certain triazoles are relatively easy to cleave due to so-called ring-chain tautomerism. One manifestation is found in the Dimroth rearrangement. 1,2,3-Triazole finds use in research as a building block for more complex chemical compounds, including pharmaceutical drugs such as tazobactam.

基本信息
英文名:
1H-1,2,3-triazole
CAS号.:
288-36-8
别名:
V-triazole; Osotriazole; RIBAVIRIN USP24; vic-triazole; 1-H-triazole;
分子式:
C2H3N3
分子量:
69.06530
PSA:
41.57000
LogP:
物化属性
外观:
Colorless liquid
密度:
1.192 g/mL at 25 °C(lit.)
熔点:
23-25 °C(lit.)
沸点:
203 °C752 mm Hg(lit.)
闪点:
225 °F
储存条件:
Store in a cool, dry place. Store in a tightly closed container.
安全信息
海关编码:
2933990090
WGK Germany:
3
危险类别码:
R36/37/38
安全说明:
S37/39-S26-S36/37
危险品标志:
Xi
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