93-35-6

Name 7-Hydroxycoumarin
CAS 93-35-6
EINECS(EC#) 202-240-3
Molecular Formula C9H6O3
MDL Number MFCD01861511
Molecular Weight 162.14
MOL File 93-35-6.mol

Chemical Properties

Appearance Light Brownish Powder
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
form  Powder and Agglomerate
pka 7.11(at 25℃)
color  Off-white to beige-brownish
Odor develops odor of coumarin on heating
PH Range Non/ uorescence (6.5) to blue / uorescence (8.0)
Water Solubility  1 g/100 mL (100 ºC)
Usage A metabolite of Coumarin. The aglucon of skimmin. Present in many plants
λmax 320nm
Detection Methods HPLC,NMR
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 93-35-6(EPA Substance)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany  3
RTECS  GN6820000
HS Code  29322980
Storage Class 11 - Combustible Solids
Toxicity
LD50 intravenous in mouse: 450mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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