Pyromellitic acid synthesis
- Product Name:Pyromellitic acid
- CAS Number:89-05-4
- Molecular formula:C10H6O8
- Molecular Weight:254.15
89-32-7
388 suppliers
$10.00/5g
89-05-4
283 suppliers
$5.00/25g
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
5779-72-6
68 suppliers
$41.90/1g
89-05-4
283 suppliers
$5.00/25g
95-93-2
229 suppliers
$20.00/25g
89-05-4
283 suppliers
$5.00/25g
5779-72-6
68 suppliers
$41.90/1g
89-05-4
283 suppliers
$5.00/25g
34240-10-3
0 suppliers
inquiry
528-44-9
227 suppliers
$11.00/5g
88-99-3
480 suppliers
$15.00/50 g
5680-10-4
21 suppliers
$97500.00/5 g
89-05-4
283 suppliers
$5.00/25g