Pharmaceutical Materials

3-Ethoxybenzaldehyde

Pharmaceutical Materials 2025-03-02

CAS Number: 22924-15-8

Molecular Formula: C9H10O2

Molecular Weight: 150.17 g/mol

Appearance: Colorless to brown-yellow transparent liquid

Melting Point: 21°C (some sources indicate 177°C)

Boiling Point: 247.3°C

Usage: Mainly used as an organic synthesis reagent and pharmaceutical intermediate.

Aspect	Details
Name	3-Ethoxybenzaldehyde
Common Synonyms	m-Ethoxybenzaldehyde, 3-Ethoxybenzocarbaldehyde, m-Oxyethylbenzaldehyde
CAS No.	5381-73-0
Molecular Formula	C₉H₁₀O₂
Molecular Weight	150.17 g/mol
Physical Properties	Appearance: Colorless to pale yellow liquid Boiling Point: 235-237 °C (at 760 mmHg) Density: 1.064 g/cm³ (approximate) Solubility: Slightly soluble in water; soluble in ethanol, ether, and chloroform
Chemical Properties	Features an aldehyde (-CHO) group and an ethoxy (-OCH₂CH₃) substituent Undergoes typical aldehyde reactions (e.g., nucleophilic addition, oxidation) Ethoxy group enhances solubility in organic solvents
Applications	Used as an intermediate in pharmaceuticals (e.g., synthesis of anti-inflammatory drugs) Employed in perfumery for floral and citrus notes Utilized in agrochemicals and dye production
Safety Information	Flammable; avoid open flames and heat sources Irritant to skin and eyes; use appropriate PPE Store in a cool, dry place, away from strong oxidizing agents

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3-Ethoxybenzaldehyde

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