7,8-Dihydroxy-4-methylcoumarin
[CAS# 2107-77-9]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyran compound
• Name: 7,8-Dihydroxy-4-methylcoumarin
• Synonyms: 7,8-Dihydroxy-4-methyl-chromen-2-one; 4-Methyldaphnetin; NSC 45795; NSC 72276
• Molecular Formula: C₁₀H₈O₄
• Molecular Weight: 192.17
• CAS Registry Number: 2107-77-9
• EC Number: 218-290-4

Properties

• Solubility: Sparingly soluble (10 g/L) (25 ºC), Calc.^*
• Density: 1.456±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 254-255 ºC (ethanol )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Kumar, B. Sunil; Chemistry of Heterocyclic Compounds (New York, NY, United States) 2006, V42(2), P172-175.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36;R43
• Safety Description: S26;S36/37

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Respiratory sensitization	Resp. Sens.	1	H334
Skin irritation	Skin Irrit.	2	H315