Merck
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360570

Sigma-Aldrich

吡啶

ACS reagent, ≥99.0%

Empirical Formula (Hill Notation):
C5H5N
CAS Number:
Molecular Weight:
79.10
Beilstein:
103233
EC 号:
MDL编号:
PubChem化学物质编号:

等级

ACS reagent

质量水平

200

蒸汽密度

2.72 (vs air)

蒸汽压

10 mmHg ( 13.2 °C)
20 mmHg ( 25 °C)

测定

≥99.0%

形式

liquid

自燃温度

899 °F

expl. lim.

12.4 %

杂质

Reducing substances, passes test
≤0.002% NH3
0.1% water

蒸发残留物

≤0.002%

折射率

n20/D 1.509 (lit.)

pH值(酸碱度)

8.5 (25 °C, 15.82 g/L)

bp

115 °C (lit.)

mp

−42 °C (lit.)

溶解性

water: soluble

密度

0.978 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.001%

痕量阳离子

Cu: ≤5 ppm

SMILES string

C1=CN=CC=C1

InChI

1S/C5H5N/c1-2-4-6-5-3-1/h1-5H

InChI key

JUJWROOIHBZHMG-UHFFFAOYSA-N

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一般描述

吡啶(Pyr)是一种含氮六元杂环化合物,通常用作碱。这是一种无色的液体,有鱼腥味。吡啶部分作为主要成分存在于许多化合物中,如吡啶核苷酸、吡啶生物碱、吡啶基聚合物和含吡啶的大环。它应用广泛,例如作为溶剂、催化剂和合成中间体。对吡啶的红外光谱、拉曼光谱和紫外光谱进行了分析,所得值用于计算其热力学性质。对光降解和细菌降解Pyr进行了研究。

应用

吡啶可用于以下物质的合成:
  • 与卤化钴(II)配合物
  • 吡啶-d5,吡啶的氘化形式
  • 离子液体基质(ILM)

包装

100, 500 mL in glass bottle
1, 2.5, 4×4 L in glass bottle
18 L in steel drum

象形图

FlameExclamation mark

警示用语:

Danger

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(F)

68.0 °F - closed cup

闪点(C)

20 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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