Food Feed Additives

Pharmaceutical and pesticide intermediates

Basic organic raw materials

  • Acetic Anhydride

    Acetic Anhydride

    ◆ Product description

    Cas NO:108-24-7
    EINECS NO:  203-564-8
    Formula:C4H6O3;(CH3CO)2O
    M.W.:102.09
    Characters:Colorless and transparent liquid with stimulating smell, its vapor is the tear gas;vapor pressure: 1.33kPa/36°C;flash point: 49°C;melting point: -73.1°C;boilint point: 138.6°C. Soluble in benzene, ethanol ,ethyl ehter, Relative density(water=1):1.08g/ml, relative density(Air=1):3.52g/ml. Stability.
    Uses:Used as acetylation reagnets, as well as for medicines, dyes, cellulose acetate manufacturing, production riggered agent, bleaching agent.
    Standard:QB/T 10668-2000

    ◆  Specifications

    ITEM
    INDEX
    Excellent product
    First-class product
    Qualified
    Color, Hazen(Pt-Co), =
    10
    15
    25
    Assay /%, =
    99.0
    98.0
    96.0
    Residue on evaporation/%,=
    0.005
    0.01
    0.01
    Iron (as Fe)/%, =
    0.0001
    0.0002
    0.0005
    Potassium permanganate index(mg/100ml)≤
    60
    80
    -

    Packing: Standard tank car, or stainless tanker vessel and plastic drum.

    Storage:Stored in a cool, ventilated, dry place, avoided the sun, away from the fire source and heat source. Should not be stored together with the organic acids and bases.

  • Diketene

    Diketene

    ◆ Product description

    Cas NO: 674-82-8
    EINECS NO: 211-617-1
    Formula:C4H4O2
    M.W.:84.07
    Characters:Colorless with stimulating odor flammabble liquid. Relative density:1.0897g/ml(20/20°C),melting point: -6.5°C, boiling point:127.4°C, refraction nD(20°C): 1.4379, Specific heat capacity:0.1990KJ/(kg °C), flash point:33.9°C. Soluble in water and common organic solvents. Chemical propery is lively.
    Uses:Used as organic materials and the raw materials of plasticizer, dye, synthetic fiber, pesticide,rubber parts.
    Standard:Q/320601 NS17

    ◆  Specifications

    ITEM
    INDEX
    Chroma(Pt-Co)=
    100
    Assay/%=
    97.0
    Acetic anhydride=
    2.0
    Chloride ion
    No

    Storage:This product is flammable, so it should be stored in the aluminum or glass-lined vessel and at low temperature:0-5°C. It should not contact with fire, inorganic acid and water, avoid bumping in order to prevent from exploding during transported. Storage and transportation must follow as the rule of ignition control compund.