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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
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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 white solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. In 2000, the worldwide production volume was estimated to be about 3 million tonnes per year
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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
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.
Product Description: "This product is one of Sebchem Key products
Some of our direct/ Indirect clients are ARAMCO, ADNOC, SCHLUMBERGER, BAKER HUGHES, CLARIANT, CHAMPION, GE, SUEZ, METITO, ECOLAB, MAPEI, SIKA, ARAMCO REFINERIES, SCOTT BADER, SYNTHOMER, IFFCO.
Sebchem providing its chemicals to our global clients in the Oil & Gas Upstream Oil & Gas Downstream, Petrochemicals, Industrial, Water Treatment, Construction, Detergent, Coating & Resin, Agro, Textile, Food. We supply chemicals IBCs, Drums, ISO Tanks, Bags, and up to Bulk Vessels"
Price of product ( USD price or FOB price): USD
Product origin: Multiple
Key Specifications/Special Features: "This is one of Key products of Sebchem given to Sebchem clinets across the World. Please contact our sales team or via our website for getting TDS, SDS, COA
"
Minimum Order Size and Packaging details: 1 FCL; Packaging: Bags
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.
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
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 in Flakes from Japan.
Purity 99.5%min
Phthalic Acid Content 0.5% max
Melting Point 130 C min
Color as in Pt-Co, max 20
Heat Stability Color as in Pt-Co, max 50
Appearance and Characteristics: White flakes or crystalline powder
Uses:
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.
Package:
Packing: in bags of 25KG net each on pallets. 17.5mt/20' FCL
