Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List Pyromellitic acid

Pyromellitic acid synthesis

12synthesis methods
-

Yield:89-05-4 96.6%

Reaction Conditions:

with water for 4 h;Reflux;

Steps:

2
(1) 34.3 g of commercially available pyromellitic dianhydride (GC analysis purity: 98.2%) and 250 mL of deionized water was charged into 500 mL and the reaction was heated to reflux for 4h.after cooling the reaction to room temperature, filtrated , then the filter cake was subjected to decolourization and purification using deionized water and activated carbon and then obtained 38.5g of white solid hydrogenated pyromellitic acid, the yield was 96.6%, GC analysis was 98.50%.

References:

Changzhou Sunshine Pharmaceutical Co., Ltd.;Hu Guoyi;Wu Jianhua;Min Xuefeng;Zhou Guoping CN103992330, 2016, B Location in patent:Page/Page column 5-7

FullText

Pyromellitic acid Related Search: