| Trade name | Sunsafe-TDSA(70%) |
| CAS No.: | 92761-26-7; 77-86-1 |
| INCI Name: | Terephthalylidene Dicamphor Sulfonic Acid; Tromethamine |
| Chemical Structure: |  |
| Application: | Sunscreen lotion,Make-up,Whitening series product |
| Package: | 10kg/drum |
| Appearance: | White crystalline powder |
| Assay (HPLC) %: | 69-73 |
| Solubility: | Water soluble |
| Function: | UVA filter |
| Shelf life: | 2 years |
| Storage: | Keep container tightly closed and in a cool place. Keep away from heat. |
| Dosage: | 0.2-3%(as acid) (the concentration approved is up to 10%(as acid)). |
Application
lt is one of the most effective UVA sunscreen ingredients and the main ingredient of sunscreen skin care cosmetics.The maximum protection band can reach 344nm.As it does not cover all UV range,it is often used with other ingredients.
(1) Totally Water soluble;
(2) Broad UV spectrum,abosorbs excellent in UVA;
(3) Excellent photo stability and hard to decompose;
(4) Safety reliable.
Sunsafe- TDSA(70%) appears to be relatively safe because is only minimally absorbed into the skin or systemic circulation. Since Sunsafe- TDSA(70%) is stable, toxicity of degradation products is not a concern. Animal and cell culture studies indicate the lack of mutagenic and carcinogenic effects. However, direct safety studies of long-term topical use in humans are lacking. Rarely, Sunsafe- TDSA(70%) may cause skin arritation/dermatitis. In its pure form, Sunsafe- TDSA(70%) is acidic. In commercial products, it is neutralized by organic bases, such as mono-, di- or triethanolamine. Ethanolamines sometimes cause contact dermatitis. If you develop reaction to a sunscreen with Sunsafe- TDSA(70%), the culprit might be the neutralizing base rather than Sunsafe- TDSA(70%) itself. You could try a brand with a different neutralizing base.
