吡啶，Pyridine；puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.5% (GC)

等级

ACS reagent
puriss. p.a.

质量水平

200

Agency

reag. Ph. Eur.

蒸汽密度

2.72 (vs air)

蒸汽压

10 mmHg ( 13.2 °C)
20 mmHg ( 25 °C)

检测方案

≥99.5% (GC)

形式

liquid

自燃温度

899 °F

expl. lim.

12.4 %

杂质

≤0.0005% KMnO₄ red. matter (as O)
≤0.002% ammonia (NH₃)
≤0.002% non-volatile matter
≤0.01% piperidine (GC)
≤0.1% water (Karl Fischer)
≤0.2% 2-picoline (GC)

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

H₂O: in accordance

密度

0.978 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl^-): ≤5 mg/kg
sulfate (SO₄^2-): ≤5 mg/kg

痕量阳离子

Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.03 mg/kg
Fe: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

SMILES string

C1=CN=CC=C1

InChI

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

InChI key

JUJWROOIHBZHMG-UHFFFAOYSA-N

象形图

GHS02,GHS07

警示用语：

Danger

危险声明

H225 - H302 + H312 + H332 - H315 - H319

预防措施声明

P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338

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