 |
 |
|
|
|
| OB-1 ACID |
 |
| 4B-acid(dye intermediate) |
 |
| 4.4-Diphenylethylene-Bicardoxylic Acid 98% |
 |
| USED AS MATERIAL FOR MAKING OUT OPTICAL BRIGHTENING AGENTS. |
 |
| Stable light yellow crystallized powder with the meltingpoint of 460 , which is soluble in diluted alkali solution,but insoluble in water and majoring of organic solvents |
| Industrial field |
dye & pigment |
|
|
 |
|
|
|
|
|
 |
| There are no existing companies to distribute selected chemical product |
|
 |
|
|
|
