Ethanolamine (Class VIII Hazardous Chemicals)
Colorless transparent viscous liquid at room temperature and pressure, with ammonia odor, alkaline, corrosive, hygroscopic.
Melting point: 10.5℃, boiling point: 170℃, relative density: 1.0180.
Mutually soluble with water, ethanol, acetone, soluble in slightly hot benzene, slightly soluble in ether and carbon tetrachloride.
Diethanolamine (eight types of hazardous chemicals)
Colorless viscous liquid or crystal, alkaline, corrosive.
Melting point (℃): 28, boiling point (℃): 269, density (water = 1): 1.092.
Soluble in water, ethanol, insoluble in ether, benzene.
Triethanolamine (Class VIII Hazardous Chemicals)
Colorless or light yellow viscous liquid, strongly alkaline, easy to cold lumps. It can absorb water and carbon dioxide when exposed to the air; the color turns brown when left for a long time.
Melting point 21.2℃, boiling point 360℃, density 1.1242, miscible with water, ethanol; slightly soluble in ether, benzene and petroleum ether, can react with inorganic or organic acids to generate salts, but also with high-level fatty acids and the formation of lipids.
Methyl methacrylate (Methyl Methacrylate) (Class III Hazardous Chemicals)
Also known as MMA. colorless liquid, volatile and flammable. Melting point is -48℃, boiling point 100-101℃, 24℃ (4.3kPa), relative density 0.9440 (20/4℃), soluble in ethanol, ether, acetone and other organic solvents, slightly soluble in ethylene glycol and water. Easy to polymerize in the presence of light, heat, ionizing radiation and catalyst. Keep away from fire and heat. Keep away from light. The storage temperature should not exceed 37℃. Packaging requirements sealed, not in contact with air. Should be stored separately from oxidizers, acids, alkalis, halogens, etc., avoid mixed storage. It is not suitable for mass storage or long time storage. Adopt explosion-proof type lighting and ventilation facilities. Highly flammable.
Dimethyl Carbonate (Class VIII Hazardous Chemicals)
Colorless liquid with aromatic odor. Melting point (℃): 0.5, Boiling point (℃): 90~91, Relative density (water=1): 1.07, insoluble in water, miscible in most organic solvents, miscible in acids and alkalis. Highly flammable.
Methyl acrylate ((Class VIII Hazardous Chemicals))
Colorless liquid. Pungent odor. Melting point -75℃ Boiling point: 80.0℃. Density (water=1) 0.95. Slightly soluble in water, solubility in water is 6G/100ml at 20℃, 5G/100ml at 40℃, solubility in water in methyl acrylate is 1.8ml/100G. Soluble in ethanol and ether. It is easy to polymerize during storage, light, heat and peroxide can accelerate its polymerization, highly flammable, moderately toxic, lachrymatory.
Methyl formate (Class VIII Hazardous Chemicals)
Colorless liquid with aromatic odor. Melting point (℃): -99.8, boiling point (℃): 31.5, density (water = 1): 0.98. Soluble in water, ethanol, ether, methanol. Flammable, prohibit contact with alkaline substances.
Methyl Acetate (Methyl Acetate) (Class VIII Hazardous Chemicals)
Colorless transparent liquid, with fragrance. Melting point (℃): -98.7, boiling point (℃): 57.8, density (water = 1): 0.92. Slightly soluble in water, miscible in most organic solvents such as ethanol, ether.
Ethyl ester: colorless or slightly yellow transparent flammable liquid, fruit flavor, boiling point: 77 ℃, melting point -84 ℃, density (water = 1): 0.901, soluble in water, miscible in most organic solvents, contraindications for oxidizing agents, reducing agents, acids, bases.
