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Safety Information

PX2020

Supelco

Pyridine

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

Pyridine, Azabenzene

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About This Item

Empirical Formula (Hill Notation):
C5H5N
CAS Number:
Molecular Weight:
79.10
MDL number:
UNSPSC Code:
12191501
EC Index Number:
203-809-9

Agency

meets USP/NF

Quality Level

vapor pressure

26.7 hPa ( 25 °C)

Assay

≥99% (GC)

form

liquid

impurities

≤0.001% Chloride (Cl)
≤0.001% Sulfate (SO4)
≤0.002% Ammonia (NH3)
≤0.1% Water (H2O)
≤5 ppm Copper (Cu)

evapn. residue

≤0.002%

pH

8.81 (20 °C in H2O)

bp

115 °C/1013 hPa

mp

-42 °C

transition temp

flash point 17 °C

density

0.982 g/cm3 at 20 °C

shipped in

ambient

storage temp.

room temp

InChI

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

InChI key

JUJWROOIHBZHMG-UHFFFAOYSA-N

Related Categories

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Ammonia (NH3): 0.002% max
Assay (GC): 99.0% min
Chloride (Cl): 0.001% max
Copper (Cu): 5ppm max
Evaporation residue: 0.002% max
Form: Clear liquid
Reducing substances: To pass test
Solubility in water: To pass test
Sulfate (SO4): 0.001% max
Water (H2O): 0.1% max
Evaporation Number: 12.7

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

68.0 °F - closed cup

Flash Point(C)

20 °C - closed cup

Regulatory Information

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