
Coumarin • CAS 91-64-5
Fine Chemical • Available • Benzopyrone
Coumarin – CAS 91-64-5
1,2-Benzopyrone
CAS Number
91-64-5
Category
Benzopyrone
Molecular Formula
C9H6O2
Molecular Weight
146.14
Chemical Class
Fine & specialty chemical
Synonyms
2H-Chromen-2-one,1,2-Benzopyrone
Description
Coumarin (1,2-Benzopyrone) supplied as white powder or white crystals. Purity by GLC: 99.5%.
Applications
- Fragrances & cosmetics: Perfume fixative; used in soaps and detergents.
- Pharmaceuticals: Key scaffold for anticoagulant derivatives (e.g., warfarin).
- Optics & imaging: Fluorescent dyes for lasers, sensors, and bio-imaging.
- Materials: UV-crosslinkable polymers, coatings, and light-activated adhesives.
Specifications
Appearance
White crystalline powder
Purity (GLC)
NLT 99.5%
Melting Point
68 - 71 °C
Handling & Supply Details
Storage Conditions
Store in a cool, dry, well-ventilated area in tightly sealed containers.
Packaging
25 kg fiber drum or HDPE drum with inner liner
Shelf Life
24 months