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Methylene Chloride

CAS Number:[Verified: 75-09-2]

Synonyms:Dichloromethane, DCM, Methane dichloride

Chemical Formula:CH₂Cl₂

Overview

Methylene Chloride is a volatile, colorless liquid with a mildly sweet aroma, widely used as a solvent due to its excellent solvency properties. Though non-flammable, it evaporates quickly and is heavier than water. It is regulated due to its toxicity and potential carcinogenicity, so proper handling is essential.

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Physical & Chemical Properties

Property	Value
Appearance	Clear, colorless liquid
Molecular Weight	84.93 g/mol
Boiling Point	39.6°C
Density	1.33 g/cm³ at 20°C
Vapor Pressure	350 mmHg at 20°C
Solubility	Slightly soluble in water; miscible with most organic solvents
Odor Threshold	~250 ppm

Applications

Paint and coating removal: as a solvent in industrial degreasers and paint strippers.
Pharmaceuticals: extraction and reaction solvent.
Aerospace and automotive: precision cleaning of metal parts.
Polymer industry: for foam blowing and degreasing applications.