5-Hydroxy-4-oxo-4H-1-benzopyran-2-carboxylic acid ethyl ester
[CAS# 50521-64-7]

Identification

• Name: 5-Hydroxy-4-oxo-4H-1-benzopyran-2-carboxylic acid ethyl ester
• Synonyms: 2-(Ethoxycarbonyl)-5-hydroxychromone
• Molecular Formula: C₁₂H₁₀O₅
• Molecular Weight: 234.20
• CAS Registry Number: 50521-64-7
• EC Number: 898-943-3

Properties

• Solubility: Very slightly soluble (0.28 g/L) (25 °C), Calc.^*
• Density: 1.397±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 148 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

^** Jarowski, Charles I.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315