Coumarin CAS NO.91-64-5

Product Name:    Coumarin
Synonyms:    TIMTEC-BB SBB000094;O-HYDROXYCINNAMIC ACID LACTONE;TONKA BEAN CAMPHOR;5,6-BENZO-2-PYRONE;AKOS 212-75;2H-1-BENZOPYRAN-2-ONE;2H-1-BENZOPYAN-2-ONE;1,2-BENZOPYRONE
CAS:    91-64-5
MF:    C9H6O2
MW:    146.14
EINECS:    202-086-7
Product Categories:    chemical reagent;pharmaceutical intermediate;Pharmaceutical intermediates;phytochemical;reference standards from Chinese medicinal herbs (TCM).;standardized herbal extract;FINE Chemical & INTERMEDIATES;Food & Feed ADDITIVES;Coumarins;Coumarin;Natural Plant Extract;Aromatics;Heterocycles;Fluorescent;Inhibitors
Mol File:    91-64-5.mol 
 

Coumarin Chemical Properties

mp  68-73 °C(lit.)

bp  298 °C(lit.)

density  0.935
vapor pressure  0.01 mm Hg ( 47 °C)

Fp  162 °C 
storage temp.  Refrigerator
Water Solubility  1.7 g/L (20 ºC)
Merck  14,2562
BRN  383644
CAS DataBase Reference 91-64-5(CAS DataBase Reference)
NIST Chemistry Reference Coumarin(91-64-5)
EPA Substance Registry System 2H-1-Benzopyran- 2-one(91-64-5)

Safety Information

Hazard Codes  Xn
Risk Statements  22-40-36/37/38-20/21/22-43
Safety Statements  36-36/37-26
RIDADR  UN 2811 6.1/PG 3

WGK Germany  1

RTECS  GN4200000

HazardClass  6.1
PackingGroup  III
Hazardous Substances Data 91-64-5(Hazardous Substances Data)

Coumarin Usage And Synthesis

Chemical Properties WHITE CRYSTALS OR CRYSTALLINE POWDER
Usage Pharmaceutic aid (flavor). Found in tonka beans, levender oil, woodruff, sweet clover.
Usage antineoplastic, antiinflammatory, antihyperglycaemic
General Description Colorless crystals, flakes or colorless to white powder with a pleasant fragrant vanilla odor and a bitter aromatic burning taste.
Air & Water Reactions Insoluble in water.
Reactivity Profile Coumarin is sensitive to exposure to light. Coumarin is also sensitive to heat. Coumarin is incompatible with strong acids, strong bases and oxidizers. Coumarin is hydrolyzed by hot concentrated alkalis. Coumarin can be halogenated, nitrated and hydrogenated (in the presence of catalysts).
Health Hazard SYMPTOMS: Exposure to Coumarin may cause narcosis. It may also cause irritation and liver damage.
Fire Hazard Coumarin is combustible.