Home  Products Search  Properties Search  中文版
Home > Dictionary > Information
Double acid
Molecular formula :
MW :
CAS :

nature : scientific name of 4,4 - bis (4-hydroxyphenyl) acid. Precipitation crystals from the water. Industrial products for short brown colored granules. Density 1.30-1.32. 171-172 ° C melting point. Obviously soluble in water, soluble in acetone, acetic acid, ethanol, isopropanol, ethyl ether, insoluble benzene, carbon tetrachloride, xylene. There irritation. As preparation for intermediate coating, lubricant additives, cosmetics, surfactant, plasticizers, Auxiliaries. By levulinic acid and phenol in the presence of catalysts and acidic medium, generated from refining.


Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data".
Structure:
Please see below "More Detailed Data"
More Detailed Data:
1) DPA
2) diphenolic acid;DPA;4,4-bis(4-hydroxyphenyl)pentanoic acid
3) 4,4-Bis(4-hydroxyphenyl)pentanoic acid;4,4'-Bis(4-hydroxyphenyl)valeric acid;CTFA;Diphenolic acid
4) 4-hydroxy- gamma-(4-hydroxyphenyl)- gamma-methyl-benzenebutanoic acid;4,4-bis-(4-hydroxyphenyl)-n-valeric acid;Diphenolic acid;4-Hydroxy-(4-hydroxyphenyl)benzenebutanoic acid;4,4-Bis(4'-Hydroxyphenyl)pentanoic acid;4,4-bis(4-hydroxyphenyl)valeric acid
5) diphenolic acid;4,4-bis(4-hydroxyphenyl)pen-tanoic acid
6) BDPA
7) 3,3`-thiodipropionic acid;TDPA
8) PA
9) Acid
10) Dianhydride;PA
Notice Some description was translated by software and the data is only as a reference.
Patent:
1) Image input apparatus and person authentication system using an image input apparatus
2) Strip magazine for hand-held device for analyzing body fluids, and hand-held device
3) Arm holder for radiographic imaging apparatus
4) Method and device for computer fault film image of flopping heart
5) Method and computed tomography system for producing tomograms of an object
6) Micro wound beauty needle for human breast, hipshot and face and its useage
7) Highly visible cartridge having improved retainer
8) Multi-conduction brain biological information feedback instrument
9) Prodn method of computer aid generating positioning board
10) Artificial crystalline humor with surface coated tiatnia film, its prepn and uses