| Technical Data Sheet | |
| Trade name | AP |
| Chemical name | 1H-Benzimidazole-4,6-disulfonic acid, 2,2-(1,4-phenylene)bis-, disodium salt |
| Synonyms | Disodium Phenyl Dibenzimidazole Tetrasulfonate; DPDT |
| CAS code | 180898-37-7 |
| EINECS | 429-750-0 |
| Molecular Formula | C20H14N4Na2O12S4 |
| Molecular Structure | ![]() |
| Specifications | |
| Appearance | yellow crystalline powder |
| Purity | 97.0 % min |
| Dry loss | 3.0 % max |
| Specific extinction (E1%,1cm) | 340nm, 770 min |
| Characteristics and Application | AP is a highly efficient photostable UVAII absorbent, it is yellow crystalline powder, basically odorless, with excellent stability. AP is very safe and virtually impermeable to the skin. Apply to water-based clear sunscreen products such as gels or clear sprays, as well as creams and lotions. |
| Packaging | 25 kg fiber drum |
| Period of validity | 2 years |




