Vitamin B3 (Niacin / Nicotinic Acid)
- CAS NO. : 59-67-6
- CAT NO. : PH-OPP-9676
Physical State: Solid
Color/Appearance: White to off-white powder
Melting Point: 236-239 °C (lit.)
Boiling Point: 260 °C
Density: 1.473 g/cm³
pKa: 4.85 (at 25℃)
pH: 2.7 (18 g/L, H₂O, 20℃)
Refractive Index: 1.5423 (estimate)
Flash Point: 193 °C
Solubility: 18 g/L in water (20°C).
Storage Conditions: Store at 2-8°C.
Molecular Formula: C₆H₅NO₂
Molecular Weight: 123.11 g/mol
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