Property and stability

- Apr 02, 2018 -

1. Properties: Acetylacetone is a colorless or yellowish flammable liquid. Boiling point 135-137 °C, flash point 34 °C, melting point -23 °C. Relative density 0.976, refractive index n20D1.4512. 1g acetyl acetone soluble in 8g of water, and with ethanol, benzene, chloroform, ethyl ether, acetone and glacial acetic acid immiscibility, in the alkaline solution is decomposed into acetone and acetic acid. High heat, open flame, and strong oxidants can easily cause combustion. It is unstable in water and easily hydrolyzed to acetic acid and acetone.

2. Moderate toxicity. It can stimulate the skin and mucous membranes. When the human body stays in (150~300)*10-6 for a long time, it will be able to suffer damage. There will be headache, nausea, vomiting, dizziness, and dullness, but it will be at the concentration of 75*10-6. No danger. Production should use vacuum sealed devices. Operation site should be enhanced ventilation, to minimize running, running, dripping, leakage. Poisoning occurs early to leave the scene and breathe fresh air. Operators should wear protective equipment and perform occupational disease inspections on a regular basis.

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