Melting point :236-239 °C(lit.)
Boiling point :260C
Density :1.473
bulk density :330kg/m3
refractive index :1.5423 (estimate)
Flash point :193°C
storage temp. :2-8°C
solubility :18g/l
form :Powder
pka :4.85(at 25℃)
color :White to off-white
PH :2.7 (18g/l, H2O, 20℃)
Odor :odorless to sl. odor, sour taste
biological source :synthetic (organic)
Water Solubility :1-5 g/100 mL at 17 ºC
Merck :14,6525
BRN :109591
Henry's Law Constant :2.5×10⁴ mol/(m³Pa) at 25℃, Abraham and Jr. (2019)
BCS Class :3
Stability :Stable. Incompatible with strong oxidizing agents. May be light sensitive.
Major Application :agriculture
Cosmetics Ingredients Functions :SMOOTHING
ANTISTATIC Cosmetic Ingredient Review (CIR) :Nicotinic acid (59-67-6)
InChI :1S/C6H5NO2/c8-6(9)5-2-1-3-7-4-5/h1-4H,(H,8,9)
InChIKey :PVNIIMVLHYAWGP-UHFFFAOYSA-N
SMILES :OC(=O)c1cccnc1
LogP :0.360
CAS DataBase Reference :59-67-6(CAS DataBase Reference)
NIST Chemistry Reference :Niacin(59-67-6)
EPA Substance Registry System :Nicotinic acid (59-67-6)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313 IF eye irritation persists: Get medical advice/attention.