270407

Pyridine

suitable for HPLC, ≥99.9%

• Empirical Formula (Hill Notation): C₅H₅N
• CAS Number: 110-86-1
• Molecular Weight: 79.10
• Beilstein: 103233
• EC Number: 203-809-9
• MDL number: MFCD00011732
• PubChem Substance ID: 329752936

Properties

• vapor density: 2.72 (vs air)
• Quality Level: 100
• vapor pressure: 10 mmHg ( 13.2 °C); 20 mmHg ( 25 °C)
• Assay: ≥99.9%
• form: liquid
• autoignition temp.: 899 °F
• purified by: glass distillation
• expl. lim.: 12.4 %
• technique(s): HPLC: suitable
• impurities: <0.050% water
• evapn. residue: <0.0004%
• 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.)
• λ: H₂O reference
• UV absorption: λ: 305 nm A_max: 1.00; λ: 315 nm A_max: 0.15; λ: 335 nm A_max: 0.02; λ: 350-400 nm A_max: 0.01
• application(s): food and beverages
• SMILES string: C1=CN=CC=C1
• InChI: 1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
• InChI key: JUJWROOIHBZHMG-UHFFFAOYSA-N

Description

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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