Nicotinamide
- CAS NO. : 98-92-0
- CAT NO. : FO-OOC-8920
Physical State: Solid (white crystalline powder)
Color/Appearance: White crystalline
Melting Point: 128–131 °C (lit.)
Boiling Point: 150–160 °C (lit.)
Density: 1.40 g/cm³ at 20 °C (lit.)
Refractive Index: 1.4660 (estimated)
Flash Point: >150 °C (closed cup)
Vapor Pressure: 0 Pa at 25 °C
Vapor Density: 4.22 (vs air)
Solubility:
Water: 691 g/L at 20 °C (clear, colorless solution)
Ethanol: Slightly soluble
Chloroform: Slightly soluble
Ether: Slightly soluble
pH:
0.1 M aqueous solution: 6.0–7.5 at 20 °C (lit.)
4 M aqueous solution: 6.0–7.5 at 20 °C (lit.)
pKa: 3.3 at 20 °C (lit.)
Log P (octanol/water): -0.38 at 21 °C (estimated)
Storage Conditions: Store in a sealed container at 2–8 °C, protected from moisture and light
Stability: Stable under normal conditions; incompatible with strong oxidizing agents
Molecular Formula: C₆H₆N₂O
Molecular Weight: 122.12 g/mol