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7-Hydroxycoumarin Structure

7-Hydroxycoumarin

Chemical Properties

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)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
RTECS  GN6820000
HS Code  29322980
Storage Class 11 - Combustible Solids
Toxicity LD50 intravenous in mouse: 450mg/kg

MSDS

Usage And Synthesis

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