Basic Information

Structural Information

• Structure Type: Aliphatic dicarbonyl compound, the simplest α-diketone
• Structural Features: Straight two-carbon chain with two carbonyl groups connected adjacently. The highly active dicarbonyl structure endows it with strong cross-linking, polymerization and condensation reactivity.

Physical & Chemical Properties

• Appearance: Colorless or pale yellow liquid or crystal; commercial products are usually aqueous solution
• Odor: Pungent irritating odor
• Melting Point: 15 °C
• Boiling Point: 50.4 °C
• Density: 1.14 g/cm3 (20 °C)
• Solubility: Miscible with water, ethanol and ether; soluble in most polar organic solvents
• Stability: Unstable under high temperature and long-term storage, prone to polymerization. Reacts easily with amines, alcohols, proteins and hydroxyl compounds. Avoid contact with strong oxidants, strong bases and heat sources.

Synthesis & Applications

Synthesis Method

Main Applications

• Textile Industry: Used as cross-linking agent, anti-shrinking and wrinkle-resistant finishing agent for fabrics.
• Paper Industry: Wet strength agent and surface sizing agent to improve paper durability.
• Leather Processing: Tanning agent and disinfectant for leather.
• Organic Synthesis: Important intermediate for synthesizing heterocyclic compounds, pharmaceuticals and pesticides.
• Daily Chemical & Environmental Protection: Disinfectant, biocide and water treatment agent.

Safety & Storage Instructions

• Hazard Classification: Highly irritating substance; irritates severely to skin, eyes and respiratory tract. Harmful if inhaled or swallowed.
• Personal Protection: Wear chemical goggles, gas mask and fully enclosed chemical resistant gloves. Avoid vapor inhalation and direct body contact. Rinse affected areas with plenty of water immediately after contact.
• Storage Condition: Keep container tightly sealed. Store in cool, dry, dark and well-ventilated area. Keep away from heat, flame, oxidants, alkalis and active chemical substances.
• Transportation: Regarded as hazardous chemicals. Follow dangerous goods transportation regulations; prevent leakage, high temperature and violent collision.

Quality & Spectral Data

• Purity: ≥40% (aqueous solution), ≥99.0% (pure product)
• Moisture: Corresponding to product specification
• Residue on Ignition: ≤0.1%
• IR Spectrum: Characteristic absorption peaks conform to standard reference spectrum

Information Summary Table