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8.18714 Sigma-Aldrich

Nicotinic acid

for synthesis

Synonym: Niacin, 3-Pyridinecarboxylic acid, Nicotinic acid

  • CAS Number 59-67-6

  • Linear Formula 3-(COOH)-C5H4N

  • Molecular Weight 123.11

  •  EC Index Number 200-441-0

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Properties

Quality Level   200
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 conditions   Store below +30°C.

Description

Analysis Note

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

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
irritant
WGK Germany 
1

Documents

Certificate of Analysis (COA)

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