Methyl aldehyde (CH₂O), commonly known as formaldehyde, is a reactive aldehyde used in resin production, disinfection, textile treatment, and chemical synthesis.

Methyl Aldehyde (CH₂O) – Properties, Applications, and Safety Information

Also Known As: Formaldehyde

Chemical Name: Methyl Aldehyde
Chemical Formula: CH₂O
Chemical Class: Aldehydes, Organic Compounds

Physical and Chemical Properties

• Molecular Weight: 30.03 g/mol

• Boiling Point: –19.5 °C

• Melting Point: –92.0 °C

• Density: 0.815 g/cm³ (37% aqueous solution)

• Solubility: Fully soluble in water; also miscible with alcohol and ether

• Reactivity: Reacts with oxidizing and reducing agents; may polymerize upon exposure to light or heat

• Stability: Stable at room temperature but volatile and flammable

Applications

✅ Resin production – Key intermediate in urea-formaldehyde and phenol-formaldehyde resin manufacturing
✅ Textile and paper finishing – Used as a binding and stiffening agent
✅ Disinfection and preservation – Applied in healthcare and labs as a disinfectant and tissue fixative
✅ Agricultural chemicals – Used in the production of pesticides and fertilizers
✅ Chemical synthesis – Serves as a base chemical for many organic compounds

Safety Information

⚠️ Carcinogenic – Prolonged exposure may increase cancer risk
❗ Irritating – Causes eye, skin, and respiratory tract irritation
❗ Volatile and flammable – Requires controlled storage and handling
✅ Storage – Keep in a cool, dry, well-ventilated area, away from direct sunlight and heat sources
✅ PPE: Chemical-resistant gloves, goggles, solvent respirator, lab coat