Guangzhou chemical raw materials manufacturers, wholesale sales of n-butyl acetate, quality assurance price

Chemical name Chemicals Chinese name: Butyl acetate CAS: 123-86-4 English name: n-butyl acetace, butyl acetate structural formula: CH3COO (CH2) 3CH3 exemplary formula: CH3 COOC4 H9 formula: C6H12O2 Molecular Weight: 116.16 Appearance: clear, colorless liquid with a pleasant fruit flavor, flammable liquid. Physical and chemical properties of the relative density (20 ℃) ??0.8807. Freezing point -73.5 ℃, the boiling point of 126.114 ℃ Flash point (open cup) 33 ℃, (closed cup) 27 ℃. Refractive index () 1.3941. Vapor Pressure (20 ℃) ??1.33kpa. Heat of vaporization 309.4j / g. Specific heat capacity (20 ℃) ??1.91j / (g. ℃). Ignition point: 421 ℃ Viscosity (20 ℃): 0.734 mPa.s surface tension (20 ℃): 25.09mN / m with an alcohol, ketone, ether and other organic solvents, compared with the lower homologues, difficult to dissolve in water , so it is difficult to hydrolysis. Quality Index Name a two Appearance transparent liquid transparent liquid Color (Pt-Co) number, ≤ 10 20 The relative density of 0.880 - 0.885 0.878 - 0.885 butyl acetate,% ≥ 96.00 Moisture,% ≤ 0.20 0.40 Free acid ( acetic acid),% ≤ 0.005 0.010 Non-volatile matter,% ≤ 0.005 0.010 good use of organic solvents, cellulose acetate butyrate, ethyl cellulose, chlorinated rubber, polystyrene, methacrylic resins and many natural gums such as tannin, Manila gum, mantis loquat resin, dammar resins have good solubility. Wider use of nitrocellulose cleaning, used in leather, fabric and plastic processing solvent extracts used in a variety of petroleum processing and pharmaceutical processes, but also for complex spices and apricots, pears, bananas, pineapple, etc. various flavors of the ingredients.