phthalic anhydride solubility

Phthalic anhydride is a principal commercial form of phthalic acid. Above 180 °C, phthalic anhydride re-forms. Manufacturer and Substance Identification Thirumalai Chemicals Limited, 25 - A SIPCOT Industrial Complex, Ranipet, 632403.Tamil Nadu, India. NACRES NA.21 Sigma-Aldrich offers a number of Phthalic anhydride products. Phthalic acid is very soluble in boiling water, 18 g/100 mL, and is much less soluble in chilled (14°C) water, 0.54 g/100 mL. PHTHALIC ANHYDRIDE: ICSC: 0315: 1,2-Benzenedicarboxylic acid anhydride Phthalic acid anhydride 1,3-Isobenzofurandione: June 2003 Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. Empirical Formula (Hill Notation) C 8 H 4 O 3. The solubility of phthalic anhydride in … At room temperature, phthalic anhydride appears as crystalline needles with a characteristic, suffocating odor. 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. This colourless solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. 1.3 Details of the supplier of the safety data sheet Company : Central Drug House (P) Ltd 7/28 Vardaan House New Delhi-10002 INDIA Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) It can also be produced by ammoxidation of o-xylene. If not breathing give artificial respiration consult a physician. TETRABROMOPHTHALIC ANHYDRIDE reacts exothermically with water. Phthalic anhydride is very slightly soluble in H2O, soluble in alcohol, and slightly soluble in ether. Phthalate esters are derived from phthalic anhydride by the alcoholysis reaction. It is the anhydride of phthalic acid. Phthalic anhydride reaction on human health is generally an asthma-rhinitis-conjunctivitis syndrome or a delayed reaction and influenza-like symptoms and with increased immunoglobulin (immunoglobulin E, immunoglobulin G ) levels in the blood. Solubility: It slightly dissolves in cold water, easier in hot water, as it turns into Phthalic acid;  It dissolves in ethanol and ester. 1989]. Vanadium pentoksida (V2O5) adalah oksidan aktif untuk beberapa langkah kunci dari proses, dan diregenerasi oleh oksigen molekuler. It is the anhydride of phthalic acid. Expired - Lifetime Application number US31013A Inventor Metro D Kulik EC Number 201-607-5. ... Solubility: soluble in ethanol; slightly soluble in water and diethyl ether. Above 180 °C, phthalic anhydride re-forms. Chiral alcohols form half-esters (see above), and these derivatives are often resolvable because they form diastereomeric salts with chiral amines such as brucine. Get medical attention. Reacts, usually slowly with water to form phthalic acid and heat [Merck 11th ed. PA is soluble in alcohol and carbon disulphide. Phthalic anhydride is the anhydride of phthalic acid. Coughing, choking, burning sensation in the nose and throat, as well as headache and dizziness can occur. Other reactions with phthalic anhydride yield phenolphthalein, benzoic acid, phthalylsulfathiazole (an intestinal antimicrobial agent), and orthophthalic acid. University of Georgia, Athens, GA 30602. Phthalic anhydride is a chemical intermediate that reacts readily and produces a broad range of products that process easily and give a wide range of performance characteristics at a low cost. Anhydride are available as a soluble resin cream crystals with a characteristic, choking, burning sensation the. 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