Chemical Identity and Synonyms

CAS Number: 4382-76-7

Molecular Formula: 𝐶4𝐻8𝑂3

Molecular Weight: 104.10 g/mol

IUPAC Name: methoxymethyl acetate

Synonyms: Acetic acid methoxymethyl ester, Methanol, methoxy-, acetate, Methoxymethyl ester of acetic acid

SMILES Code: COCOC(C)=O

Physical and Chemical Properties

Appearance: Clear, colorless liquid

Boiling Point: ~131°C at 760 mmHg

Flash Point: ~96°F (35.56°C)

Solubility: Soluble in common organic solvents; soluble in water

Density: ~1.05 g/mL at 25°C

Vapor Pressure: ~9.47 mmHg at 25°C

GHS Hazards: Flammable liquid (Class 3), Causes skin irritation (H315), Causes serious eye damage (H318), May cause respiratory irritation (H335). 

Uses and Applications

Methoxymethyl acetate is primarily used for its strong solvency properties.

Solvent in Paints/Coatings: Used in paints, varnishes, and coatings to manage viscosity and improve drying characteristics.

Adhesives and Inks: Functions as a carrier for resins and pigments in ink formulations and adhesive manufacturing.

Electronics Cleaning: Employed as a cleaning agent in the electronics industry to remove residues, such as flux, from circuit boards.

Chemical Synthesis: Acts as a versatile solvent or intermediate in chemical synthesis and extraction processes.

Industrial Applications: It is a component in paint thinners and degreasers due to its ability to dissolve resins, oils, and greases. 

Safety and Storage

Flammability: Flammable liquid (Class 3).

Storage: Keep away from heat, sparks, and open flames. Store in a cool, dry, and well-ventilated area.

Incompatibility: Avoid strong acids and bases.

Methoxy methyl acetate (CAS 4382-76-7) is a clear, colorless, and highly flammable liquid, commonly used as a specialized solvent and intermediate in chemical synthesis. It is an ester often employed in applications requiring excellent solvency, particularly in the manufacturing of paints, adhesives, and electronics cleaning agents.