7-Hydroxycoumarin

Melting point :230 °C (dec.)(lit.)
Boiling point :248.82°C (rough estimate)
Density :1.2599 (rough estimate)
refractive index :1.5380 (estimate)
storage temp. :2-8°C
solubility :dioxane: soluble
pka :7.11(at 25℃)
form :Powder and Agglomerate
color :Off-white to beige-brownish
PH Range :Non/ uorescence (6.5) to blue / uorescence (8.0)
Odor :develops odor of coumarin on heating
Water Solubility :1 g/100 mL (100 ºC)
λmax :320nm
Merck :14,9847
BRN :127683
Major Application :Fluorescent brighteners, fungicides, cosmetics, antitrypanosomal, antileishmanial activities, antifungal, antibacterial, antiinflammatory, antiHIV, detection of microorganisms, treatment of impaired neurotransmission disorders, Alzheimer’s disease, vascular and lymphatic edema cancer, early diagnosis of stroke, dental material, drug-coated coronary stent system
Cosmetics Ingredients Functions :ANTIOXIDANT
HUMECTANT
SKIN CONDITIONING - HUMECTANT InChI :1S/C9H6O3/c10-7-3-1-6-2-4-9(11)12-8(6)5-7/h1-5,10H
InChIKey :ORHBXUUXSCNDEV-UHFFFAOYSA-N
SMILES :Oc1ccc2C=CC(=O)Oc2c1
LogP :1.580 (est)
CAS DataBase Reference :93-35-6(CAS DataBase Reference)
NIST Chemistry Reference :7-Hydroxycoumarin(93-35-6)
EPA Substance Registry System :Umbelliferone (93-35-6)

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.