Melting point :162-164 °C(lit.)
Boiling point :356°C
Density :1.1411 (rough estimate)
vapor pressure :0.09 at 22 °C (NIOSH, 1997)
refractive index :1.4434 (estimate)
Flash point :2℃
storage temp. :2-8°C
solubility :Soluble in benzene, 1,4-dioxane (Weast, 1986), and acetone (Sax and Lewis, 1987). Moderately soluble in methanol, ethanol, isopropanol, and some oils (Windholz et al., 1983). Also soluble in toluene.
form :Crystalline
pka :pKa 4.90±0.01(H2O t = 25±0.5 I = 0.15 (KCl))(Approximate)
color :Colorless
Odor :odorless
Water Solubility :Practically insoluble
Merck :13,10097
BRN :8868198
Exposure limits :NIOSH REL: TWA 0.1 mg/m3, IDLH 100 mg/m3; OSHA PEL: 0.1 mg/m3; ACGIH TLV: TWA 0.1 mg/m3.
LogP :2.600
CAS DataBase Reference :81-81-2(CAS DataBase Reference)
NIST Chemistry Reference :3-(Alpha-acetonylbenzyl)-4-hydroxycoumarin(81-81-2)
EPA Substance Registry System :Warfarin (81-81-2)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection.