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phthalic acid 88-99-3 1,2-Benzenedicarboxylic acid
Hebei yanxi chemical co.,Itd is a professional research and development of the production of lead acetate,2-phenylethylamide enterprises.The key members of the company are established by local well-known entrepreneurs and professional engineers under the call and support of the party's"low-carbon environmental protectionsafety and stability"under the innovation in traditional production equipment and technology,the use of"high temperature cooling"and "plastic basin crystallization"technology,on the basis of reducing the cost of products to make the quality of products to the same industryWith the efforts of all the staff of the companywe have established many cooperative companies in Shan Dong,He Nan,Guang Dong and other places in recent decades. Under the close supervision of the quality inspection department of the company,we carry out production and sales in the way of "labeling",providing the most convenient and fastest service for users all over the countryCompanies in the"advance with The Timesand the city every day with the advancement of"under the guidance of the core ideasadhering to the"relying on scientific and technological innovationthe development of circular economy" of the enterprise purpose,established in the marketenhance strength,go the way of science and environmental sustainable developmentrelying on the national technology research and development center, increasing spending on research and development based on the domestic market, expand the international marketmanufacturing high quality productssincere service society,toward a modern, ecology, science and technologychemical enterprises of the world.
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Product name | phthalic acid |
CAS number | 88-99-3 |
Molecular formula | C8H6O4 |
Molecular weight | 166.13100 |
PSA | 74.60000 |
LOGP | 1.08300 |
Phthalic acid has the formula C6H4(COOH)2 and is one of the isomers of phthalic acid, also known as 1, 2-phthalic acid, with two carboxylic groups on the benzene ring. It has two isomers: isophthalic acid and terephthalic acid. Phthalic acid is mainly used to make phthalic anhydride, which is a precursor for the production of dyes, perfumes, saccharin, phthalates, phenolphthalein and other chemicals.
Appearance and properties: white crystal
Density: 1.451g /cm3
Boiling point: 378.274ºC at 760 mmHg
Melting point: 210-211 °C (dec.)(lit.)
Flash point: 168 °C
Water solubility: 7 g/L (25 ºC)
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
Storage conditions: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Usage:Prepare a standard solution as a standard for alkali measurement. Determination of cobalt, copper, germanium, mercury, nickel, potassium, strontium and zinc. Determination of cobalt, iodate and lead. Organic synthesis. Used as an analytical reagent, such as a matching masking agent, preparation of buffer solution, as a standard material for chromatographic analysis. Used in the manufacture of fuels, resins, drugs and plasticizers.
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