8.18714

Nicotinic acid

for synthesis

• Synonym(s): Nicotinic acid, Niacin, 3-Pyridinecarboxylic acid
• Linear Formula: 3-(COOH)-C₅H₄N
• CAS Number: 59-67-6
• Molecular Weight: 123.11
• MDL number: MFCD00006391
• UNSPSC Code: 12352106
• EC Index Number: 200-441-0

Properties

• Quality Level: 200
• Assay: ≥99% (acidimetric)
• form: granular
• autoignition temp.: >365 °C (Dust)
• potency: >5000 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rat)
• pH: 2.7 (20 °C, 18 g/L in H₂O)
• mp: 236.6 °C
• transition temp: flash point 193 °C
• density: 1.47 g/cm³ at 20 °C
• bulk density: 330 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C6H5NO2/c8-6(9)5-2-1-3-7-4-5/h1-4H,(H,8,9)
• InChI key: PVNIIMVLHYAWGP-UHFFFAOYSA-N

Description

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 234 °C
Melting range (upper value): ≤ 238 °C
Identity (IR): passes test

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H319
• Precautionary Statements: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): 379.4 °F - closed cup
• Flash Point(C): 193 °C - closed cup