5.89579

Pyridine

99.8%, anhydrous

• Empirical Formula (Hill Notation): C₅H₅N
• CAS Number: 110-86-1
• Molecular Weight: 79.10
• Beilstein: 103233
• MDL number: MFCD00011732
• UNSPSC Code: 12352005
• NACRES: NA.22

Properties

• grade: anhydrous
• Quality Level: 200
• vapor density: 2.72 (vs air)
• vapor pressure: 10 mmHg ( 13.2 °C); 20 mmHg ( 25 °C)
• Assay: 99.8%
• autoignition temp.: 899 °F
• expl. lim.: 12.4 %
• refractive index: n20/D 1.509 (lit.)
• 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

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225 - H302 + H312 + H332 - H315 - H319
• Precautionary Statements: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338
• 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