P57506
吡啶
ReagentPlus®, ≥99%
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关于此项目
经验公式（希尔记法）:
C5H5N
化学文摘社编号:
分子量:
79.10
UNSPSC Code:
12352005
NACRES:
NA.21
PubChem Substance ID:
EC Number:
203-809-9
Beilstein/REAXYS Number:
103233
MDL number:
Assay:
≥99%
Bp:
115 °C (lit.)
Vapor pressure:
10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C)
vapor density
2.72 (vs air)
Quality Level
vapor pressure
10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C)
product line
ReagentPlus®
assay
≥99%
form
liquid
autoignition temp.
899 °F
expl. lim.
12.4 %
dilution
(for general lab use)
impurities
≤0.1% water (Karl Fischer)
refractive index
n20/D 1.509 (lit.)
pH
8.5 (25 °C, 15.82 g/L)
bp
115 °C (lit.)
mp
−42 °C (lit.)
density
0.978 g/mL at 25 °C (lit.)
SMILES string
C1=CN=CC=C1
InChI
1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
InChI key
JUJWROOIHBZHMG-UHFFFAOYSA-N
General description
吡啶（Pyr）是一种含氮的六元杂环化合物，在有机合成中常用作溶剂。它也广泛用作碱、催化剂和合成中间体。
Application
吡啶可作为溶剂用于：
- 以三氯乙腈作为活化剂合成糖磷脂和磷酸二酯或磷酸单酯。
- Knoevenagel 缩合反应。
- TEMPO 介导的 3-乙烯基吡啶自由基聚合。
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
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Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
存储类别
3 - Flammable liquids
wgk
WGK 2
flash_point_f
68.0 °F - closed cup
flash_point_c
20 °C - closed cup
法规信息
危险化学品
此项目有
Ye Wei et al.
Journal of the American Chemical Society, 135(10), 3756-3759 (2013-02-27)
We describe here a [3+3]-type condensation reaction of O-acetyl ketoximes and α,β-unsaturated aldehydes that is synergistically catalyzed by a copper(I) salt and a secondary ammonium salt (or amine). This redox-neutral reaction allows modular synthesis of a variety of substituted pyridines
Wen Zhou et al.
Inorganic chemistry, 52(5), 2271-2273 (2013-02-20)
The reaction of 2,2'-bipyridine (bpy) with monomeric chromium(II) precursors was used to prepare the S = 1 complexes Cr(tBu-acac)2(bpy) (1) and (η(5)-Cp)(η(1)-Cp)Cr(bpy) (3), as well as the S = 2 compound Cr[N(SiMe3)2]2(bpy) (4). The crystallographically determined bond lengths indicate that
Maria Milina et al.
Angewandte Chemie (International ed. in English), 54(5), 1591-1594 (2014-11-08)
Without techniques sensitive to complex pore architectures, synthetic efforts to enhance molecular transport in zeolite and other porous materials through hierarchical structuring lack descriptors for their rational design. The power of positron annihilation lifetime spectroscopy (PALS) to characterize the pore
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| P57506-500ML | 04061834392354 |
| P57506-1L | 04061837230400 |
| P57506-4L | 04061834392347 |