CAS 85-44-9 HS code 29173980 We have type c 600kg bag,25kg bag ,500kg bag, we can also packing as your requirement. Phthalic anhydride is the organic compound with the formula C6H4 (CO)2O. It is the anhydride of phthalic acid. This colourless solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. Phthalic anhydride is an important chemical intermediate in the plastics industry from which are derived numerous phthalate esters that function as plasticizers in synthetic resins. Phthalic anhydride itself is used as a monomer for synthetic resins such as glyptal, the alkyd resins, and the polyester resins. Phthalic anhydride is also used as a precursor of anthraquinone, phthalein, rhodamine, phthalocyanine, fluorescein, and xanthene dyes. Phthalic anhydride is used in the synthesis of primary amines, the agricultural fungicide phaltan, and thalidomide. Other reactions with phthalic anhydride yield phenolphthalein, benzoic acid, phthalylsulfathiazole (an intestinal antimicrobial agent), and orthophthalic acid. Phthalic anhydride is used in the manufacture of unsaturated polyesters and as a curing agent for epoxy resins. When used as a pigment, it can be responsible for sensitization in ceramic workers.n
CAS : 108-31-6 HS Code : 2917170000 Packing : 25/50/1000kg Bag Application Maleic Anhydride, also known as maleic anhydride, maleic anhydride, 2,5 Furanedione, etc. . A colorless acicular or lamellar crystal of the RHOMBIC system. Strong pungent odor, soluble in ethanol, ether and Acetone, insoluble in petroleum ether and tetrachloromethane. Reacts with hot water to form MALEIC ACID. Maleic Anhydride is mainly used in the production of unsaturated polyester resin, alkyd resin, pesticide Malathion, high-efficiency low-toxicity pesticide 4049, long-acting iodomine raw materials. It is also a copolymer monomer of paint, maleic Rosin, polymaleic anhydride and Maleic anhydride-styrene copolymer. It is also an organic chemical raw material for producing ink assistant, paper assistant, plasticizer, tartaric acid, fumaric acid, oxolane and so on.
We are a leading supplier of electroplating chemicals, industrial polishing and welding consumables, water treatment, powder coating, fertilizers. We stock and carry an extensive range of ready to use chemicals. We deal with so many different chemicals and we would like you to contact us for more information about our different chemicals and products.
We are a leading supplier of electroplating chemicals, industrial polishing and welding consumables, water treatment, powder coating, fertilizers. We stock and carry an extensive range of ready to use chemicals. We deal with so many different chemicals and we would like you to contact us for more information about our different chemicals and products.
Maleic Anhydride CAS Number 108-31-6 Formula C4H2O3 Maleic anhydride is an organic compound with the formula C4H2O3. Maleic anhydride is a cyclic dicarboxylic anhydride. It is a colorless or white solid with an acrid odor. Maleic anhydride is produced by oxidation of benzene or a C4 hydrocarbon such as butane in the presence of a vanadium oxide catalyst. SPECIFICATION Appearance White Briquettes Purity 99.96 wt% Molten Color 10 APHA Molten Color After Heating 14 APHA Solidification Point 52.6 C Ash Content 4.99 ppm Iron Content 0.47 ppm MAJOR USE: Maleic anhydride has a very broad range of uses from food additives to industrial applications. synthetic resin raw material (unsaturated polyesters), paints and coatings., resin modifiers., vinyl chloride stabilizers., food additives (fumaric acid, succinic acid, malic acid), agricultural chemicals, paper sizing agents, imides. These products are available in bulk, drums & bags delivered from Kandla, Mundra, Hazira, Mumbai and Vizag ports & Bhiwandi and Ahmedabad stock points.
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Product Name malic acid Appearance White crystal powder Particle Size 80 Mesh Certificate ISO9001/Halal/Kosher/GMP Storage Store in cool & dry place. Keep away from strong light and heat. Packing 1kg/Foil bag, 25kgs/Drum (Two plastic-bags inside with Paper-drums), Or as per customer's requirements.) Shelf Life 2 years under well storage situation. L-malic acid is an important component of natural fruit juice. Compared with citric acid, it has high acidity (the acidity is 20% stronger than citric acid), but the taste is soft (has a higher buffer index), has a special fragrance, and does not damage the mouth and teeth. It is metabolically beneficial to the absorption of amino acids and does not accumulate fat. It is a new generation of food soursing agents. It is hailed as "the most ideal food soursing agent" by the biological and nutritional circles. Since 2013, it has been replacing citric acid in food for the elderly and children.
We are supplier and exporter of Hydrochloric Acid. Hydrochloric acid is a strong inorganic acid that is used in many industrial processes such as refining metal, vinyl chloride mfg , leather processing etc... Hydrochloric Acid: U.N.NO 1789.Chemical Formula HCL Packing : 40 Kgs HDPE Jars or 250 Kgs HDPE Drums. Physical Property : Clear water white liquid having Sp.Gr.at 25oc - 1.14 to l.16 Chemical Property : Acidity as HCL 30-32% Sulphate as H2SO4 not more than 0.1% Iron as (FE) 0.002 to 0.003%