Melt of phthalic anhydride containing a small amount of azeotroping agent is maintained at a temperature of from 160 DEG to 200 DEG C. Phthalic acid is introduced into the melt, and an azeotropic mixture of water and azeotroping agent is withdrawn therefrom. The withdrawn azeotroping agent ...
phthalic acid series 邻苯二甲酸系列 benzoyl phthalic acid 苯甲酰邻苯二甲酸 相似单词 acid anhydride 【医】 酸酐 phthalic adj. [化]邻苯二甲酸的酞酸的 anhydride n. 无水物;酐 acid n. 1.[U,C]【化】酸 2.[U] 酸味物质 adj. 1.【术语】酸的;酸性的 2. 酸的;酸味的 3.(言辞)尖刻...
The meaning of PHTHALIC ANHYDRIDE is a crystalline cyclic acid anhydride C8H4O3 used especially in making alkyd resins.
phthalic anhydride Thesaurus Medical Acronyms Encyclopedia Wikipedia phthalic anhydride n. A white crystalline compound, C8H4C3, the anhydride of phthalic acid, used in the manufacture of phthaleins and other dyes, resins, plasticizers, and insecticides. ...
phthalic acid series 邻苯二甲酸系列 benzoyl phthalic acid 苯甲酰邻苯二甲酸 相似单词 acid anhydride 【医】 酸酐 phthalic adj. [化]邻苯二甲酸的酞酸的 anhydride n. 无水物;酐 acid n. 1.[U,C]【化】酸 2.[U] 酸味物质 adj. 1.【术语】酸的;酸性的 2. 酸的;酸味的 3.(言辞)尖刻...
Potential Exposure Phthalic anhydride is used in plasticizers; in the manufacture of phthaleins; benzoic acid; alkyd and polyester resins; synthetic indigo; and phthalic acid;which is used as a plasticizer for vinyl resins. To a lesser extent, it is used in the production of alizarin, dye, ...
Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to thephthalic anhydride. 用六氢化邻苯二酸酐加入到邻苯二酸酐中,可使其放热反应减慢. 辞典例句 Produced by a Reaction ofPhthalic Anhydrideand Alcohol. 邻苯二甲酸酐与醇反应产物. ...
Phthalic anhydride per se isnot responsible for the sensitization to the resin used innail varnishes phthalic anhydride/trimellitic anhydride/glycols copolymer. 2.14 Decomposition Phthalic anhydride; hydrolyzes rapidly in the presence of water; forming phthalic acid;. Half-life for phthalic anhydride; was...
Phthalic anhydride structure CAS No: 85-44-9 Formula: C8H4O3 Chemical Name: Phthalic anhydride Synonyms: 1,3-Isobenzofurandione;Phthalic anhydride;ESEN;Phthalandione;1,3-Phthalandione;Phthalic acid anhydride;Retarder AK;Retarder ESEN;Retarder PD;1,2-Benzenedicarboxylic anhydride;Vulkalent B/C;...
Introduction:Phthalic anhydrideis an organic compound, molecular formula C8H4O3, is a cyclic anhydride formed by intramolecular dehydration of phthalic acid. Phthalic anhydride, a white solid, is an important raw material in chemical industry, especially used in plasticizer manufacturing. ...