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Safety Information

1.07463

Supelco

Pyridine

dried (max. 0.0075% H₂O) SeccoSolv

Synonym(s):

Pyridine, Azine, 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

vapor pressure

26.7 hPa ( 25 °C)

Assay

≥99.9% (GC)

form

liquid

autoignition temp.

482 °C

potency

891 mg/kg LD50, oral (Rat)
1121 mg/kg LD50, skin (Rabbit)

technique(s)

DNA amplification: suitable

impurities

≤0.0075% Water
≤0.01% Piperidine (GC)
≤0.2% 2-Picoline (GC)

evapn. residue

≤10 mg/L

color

APHA: ≤10

pH

8.81 (20 °C in H2O)

bp

115 °C/1013 hPa

mp

-42 °C

transition temp

flash point 17 °C

solubility

soluble 1000 g/L

density

0.982 g/cm3 at 20 °C

application(s)

peptide synthesis

storage temp.

2-30°C

InChI

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

InChI key

JUJWROOIHBZHMG-UHFFFAOYSA-N

Analysis Note

Evaporation Number: 12.7
Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Color: ≤ 10 Hazen
2-Picoline (GC): ≤ 0.2 %
Piperidine (GC): ≤ 0.01 %
Reducing substances: conforms
Evaporation residue: ≤ 10 mg/l
Water: ≤ 0.0075 %

Legal Information

SECCOSOLV is a trademark of Merck KGaA, Darmstadt, Germany

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(C)

20 °C - closed cup

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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