Melting point :271-273 °C(lit.)
Boiling point :270.35°C (rough estimate)
Density :1.3431 (rough estimate)
refractive index :1.4500 (estimate)
storage temp. :2-8°C
solubility :Solubility Almost insoluble in boiling water, ether; soluble in hot ethanol, glacial acetic acid
form :powder
pka :1.71(at 25℃)
color :Light yellow
PH Range :Weak blue uorescence (1.5) to strong blue uorescence (2.0)
Water Solubility :slightly soluble
Merck :14,3697
BRN :152788
Major Application :antiinflammatory, Herbicides, cosmetics, teeth whitening agent, antifungal, neurodegenerative andfungal, antibacterial, antiviral, treating drug-induced weight gain, neurodegenerative and blood coagulation disorders, cancer, amyloidosis, skin impairments and baldness
Cosmetics Ingredients Functions :SKIN CONDITIONING
InChI :1S/C9H6O4/c10-6-3-5-1-2-9(12)13-8(5)4-7(6)11/h1-4,10-11H
InChIKey :ILEDWLMCKZNDJK-UHFFFAOYSA-N
SMILES :Oc1cc2OC(=O)C=Cc2cc1O
LogP :0.980 (est)
CAS DataBase Reference :305-01-1(CAS DataBase Reference)
NIST Chemistry Reference :Coumarin, 6,7-dihydroxy-(305-01-1)
EPA Substance Registry System :Esculetin (305-01-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.