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I0250

Sigma-Aldrich

咪唑

≥99% (titration), crystalline

别名:

1,3-二氮杂-2,4-环戊二烯, 甘恶啉

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About This Item

经验公式（希尔记法）:
C3H4N2
CAS号:
288-32-4
分子量:
68.08
Beilstein:
103853
EC 号:
206-019-2
MDL编号:
MFCD00005183
UNSPSC代码:
12352005
eCl@ss:
39161001
PubChem化学物质编号:
24895898
NACRES:
NA.25

蒸汽压

<1 mmHg ( 20 °C)

质量水平

300

方案

≥99% (titration)

表单

crystalline

杂质

≤0.005% Fluorescence blank (β-NADH equivalence.)

颜色

white

pH值（酸碱度）

6.2-7.8 (25 °C)

pKa (25 °C)

6.95

沸点

256 °C (lit.)

mp

88-91 °C (lit.)

溶解性

water: 500 mg/mL, clear, colorless to very faintly yellow

储存温度

room temp

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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相关类别

应用

特别适用于 pH 6.2-7.8 范围内的缓冲液

警示用语：

Danger

危险声明

H302,H314,H360D

危险分类

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

储存分类代码

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

闪点(°F)

293.0 °F - closed cup

闪点(°C)

145 °C - closed cup

个人防护装备

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

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000378523
0000378524
0000373068
0000367101
0000363858

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