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Merck

I2399

Sigma-Aldrich

咪唑

ACS reagent, ≥99% (titration)

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:
分子量:
68.08
Beilstein:
103853
EC號碼:
MDL號碼:
分類程式碼代碼:
12352005
eCl@ss:
39161001
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent

品質等級

蒸汽壓力

<1 mmHg ( 20 °C)

化驗

≥99% (titration)

雜質

≤0.2% water

燃燒殘留物

≤0.1%

pH值

9.5-11.0 (25 °C, 5% in H2O)

pKa (25 °C)

6.95

bp

256 °C (lit.)

mp

88-91 °C (lit.)

正離子痕跡

Fe: ≤0.001%

SMILES 字串

c1c[nH]cn1

InChI

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

InChI 密鑰

RAXXELZNTBOGNW-UHFFFAOYSA-N

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一般說明

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。

應用

特别适用于 pH 6.2-7.8 范围内的缓冲液

法律資訊

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

訊號詞

Danger

危險分類

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

儲存類別代碼

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

水污染物質分類(WGK)

WGK 2

閃點(°F)

293.0 °F - closed cup

閃點(°C)

145 °C - closed cup

個人防護裝備

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


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