Phthalic Anhydride (PA)
White scaly or Crystalline powder, Molecular formula C8H403, Molecular weight 148.12, Melting point 131.1l , Boiling point 284.5 , Flash point 151 (close), 165 (open), Spontaneous combustion point 584 , Density (Solid) 1.527g / cm3, insoluble in water, soluble in water, alcohol, ether, benzene and most organic solvents. Phthalic anhydride is a cyclic anhydride, is an important chemical raw material, especially for plasticizer manufacturing. Dibutyl phthalate, Dioctyl phthalate are important plasticizers. Phthalic anhydride and polyols (such as glycerol, pentaerythritol) can generate polyarylate resin in condensation way, used in paint industry; if an unsaturated acid with ethylene glycol happening condensation, the resulting chemicals is unsaturated polyester resin, for the manufacturing of insulating paint and glass fiber reinforced plastics . Phthalic anhydride is a raw material of benzoic acid, terephthalic acid, also used in pharmaceutical synthesis.
Top gradeFirst gradeQualified product
Appearancewhite scaly or Crystalline powderwhite scaly or Crystalline powder with other colors
Melting Chroma, Chroma2050100
Thermal stability Chroma, Chroma50150
Sulfuric acid Chroma, Chroma40100150
Crystallization point130.5130.3130.0
Purity, % 99.599.599.5
Mass fraction of free acid, % 0.200.300.50
Phthalic anhydride (PA) is a white crystalline compound used to manufacture plasticizers, pigments, dyes and resins. One major consumer of PA is the phthalate plasticiser industry, the products of which are used to produce flexible plastic products such as wire & cable applications, hoses, pipes, coated fabrics, roofing membranes and swimming pool liners.
Rs. 75 Description Grade Standard - Technical Grade Packaging Size - 50 kg,25 kg Molar Mass -148.11 g/mol Packaging Type -HDPE Bags Molecular Formula - C8H4O3 Phthalic anhydride (PA) is a white crystalline compound used to manufacture plasticizers, pigments, dyes and resins. PA is used in the manufacture of unsaturated polyester resins (UPR) that are usually blended with glass fibers to produce fiberglass-reinforced plastics. Principal consumer markets are the construction, marine, and transportation sectors. PA-based alkyd resins are used in paints and lacquers that go in to architectural, machinery, furniture, and fixture applications.
Rs. 75 Description Grade Standard - Technical Grade Packaging Size - 50 kg,25 kg Molar Mass - 148.11 g/mol Packaging Type - HDPE Bags Molecular Formula - C8H4O3 Phthalic anhydride (PA) is a white crystalline compound used to manufacture plasticizers, pigments, dyes and resins. PA is used in the manufacture of unsaturated polyester resins (UPR) that are usually blended with glass fibers to produce fiberglass-reinforced plastics. Principal consumer markets are the construction, marine, and transportation sectors. PA-based alkyd resins are used in paints and lacquers that go in to architectural, machinery, furniture, and fixture applications
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Phthalic anhydride(CAS:85-44-9)
Phthalic anhydride 25 kgs, / 600 kgs LDPE Bags
Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid. Phthalic anhydride is a principal commercial form of phthalic acid. It was the first anhydride of a dicarboxylic acid to be used commercially. This colourless solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics
Phthalic anhydride Molecular Formula: C8H4O3 CAS NO. : 85-44-9 EINECS201-607-5 UN: 2214 Main application: Phthalic anhydride is an important organic chemical raw material, mainly used in the production of plastic plasticizers, alkyd resins, dyes, unsaturated resins and certain pharmaceuticals and pesticides. Currently widely used in chemical, pharmaceutical, electronics, agriculture, coatings, fine chemicals and other industrial sectors. Physicochemical properties: Appearance White crystals with a choking odor Purity 99.9% Refractive index 1.646 Stability Incompatible with strong oxidants, strong bases, moisture, and strong acids. Dust may mix with air to form an explosion. Flashing point 152°C Vapor pressure 0.01mmHg at 20°C Storage condition The warehouse is ventilated at low temperature and stored separately from the oxidant. Melting point 131-134 °C(lit.) Density 1.53 g/cm3 at Boiling point 284 °C(lit.) Packing: 25kg woven bags or cardboard drums are packed and shipped
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