1.07463

Pyridine

dried (max. 0.0075% H₂O) SeccoSolv^™

• Synonym(s): Pyridine, Azine, Azabenzene
• Empirical Formula (Hill Notation): C₅H₅N
• CAS Number: 110-86-1
• Molecular Weight: 79.10
• MDL number: MFCD00011732
• UNSPSC Code: 12191501
• EC Index Number: 203-809-9

Properties

• 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

Description

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

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225 - H302 + H312 + H332 - H315 - H319
• pcodes: 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: 3 - Flammable liquids
• wgk_germany: WGK 2
• flash_point_c: 20 °C - closed cup