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Merck
CN

I2399

Sigma-Aldrich

咪唑

ACS reagent, ≥99% (titration)

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别名:
1,3-二氮杂-2,4-环戊二烯, 甘恶啉
经验公式(希尔记法):
C3H4N2
CAS号:
分子量:
68.08
Beilstein:
103853
EC 号:
MDL编号:
UNSPSC代码:
12352005
eCl@ss:
39161001
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent

质量水平

蒸汽压

<1 mmHg ( 20 °C)

检测方案

≥99% (titration)

杂质

≤0.2% water

灼烧残渣

≤0.1%

pH值(酸碱度)

9.5-11.0 (25 °C, 5% in H2O)

pKa (25 °C)

6.95

bp

256 °C (lit.)

mp

88-91 °C (lit.)

痕量阳离子

Fe: ≤0.001%

SMILES字符串

c1c[nH]cn1

InChI

1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)

InChI key

RAXXELZNTBOGNW-UHFFFAOYSA-N

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一般描述

咪唑是一种五元杂环化合物,存在于许多天然化合物中。它兼有酸性和碱性特性。据报道,它是血栓形成的抑制剂。其垂直谱和无辐射衰减已得到记录和分析。

应用

特别适用于 pH 6.2-7.8 范围内的缓冲液

法律信息

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

警示用语:

Danger

危险声明

危险分类

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C

WGK

WGK 2

个人防护装备

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

法规信息

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UV excitation and radiationless deactivation of imidazole.
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