What are the properties of methylene chloride (CAS 75-09-2)?

What is methylene chloride (CAS 75-09-2)?

CAS 75-09-2 Methylene chloride also known as Dichloromethane, is an organochlorine chemical having the formula CH2Cl2. This colourless, volatile liquid with a sweet, chloroform-like odour is commonly employed as a solvent. Although it is insoluble in water, it is mildly polar and miscible with a wide range of organic solvents.

What are the properties of methylene chloride (CAS 75-09-2)?

Chemical Information

Chemical Name: Methylene Chloride

Common Names: Dichloromethane (DCM), Solvent 50

CAS Number: 75-09-2

Molecular Formula: CH₂Cl₂

Molecular Weight: 84.93 g/mol

Appearance: Clear, colorless liquid

Odor: Sweet, chloroform-like odor

Purity: ≥ 99.9%

Physical & Chemical Properties

Boiling Point: 39.6°C (103.3°F)

Density: 1.33 g/cm³ 

Solubility: Slightly soluble in water, fully miscible with organic solvents

Viscosity: Low

Flash Point: Non-flammable

Evaporation Rate: High

Vapor Pressure: 47.3 kPa 

Dielectric Constant: 9.1

Biodegradability: Partial

Industries where Methylene chloride is used

• Production of polycarbonates, phenolics, and urethanesyam rayon
• Photo-resist solvent for cellulose acetates
• Coatings for tablet films
• Paint and grease remover
• Fire extinguisher
• An extractant for edible fats, cocoa, butter, and so forth. Essences
• Polymethyl Methacrylate Adhesives
• Refrigerant, Aerosol Propellant
• Reaction media in chemistry
• Medium for low-temperature heat transfer

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