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| Colour | Yellow to dark yellow |
| Appearance | Powder |
| Loss on Drying | Not more than 3.0% |
| Purity by HPLC | Not less than 96.0% |
| Extinction (E1% 1cm, 340nm) | Not less than 770 |
Chemical Name: Disodium salt of 2,2′-bis-(1,4-phenylene)1H-benzimidazole-4,6-disulfonic acid
Trade Name: Disodium Phenyl Dibenzimidazole Tetrasulfonate
Synonyms: Bisdisulizole Disodium; 1H-Benzimidazole-4,6-Disulfonic Acid, 2,2′-(1,4-Phenylene)Bis-, Disodium salt; Neo Heliopan AP; 2,2′-(1,4-Phenylene)-bis-1H-benzimidazole-4,6-disulphonic Acid, Disodium Salt; Bisdisulizoldinatrium
CAS No.: 180898-37-7
EINECS No.: 429-750-0
Molecular Formula: C20H14N4Na2O12S4
Brief Introduction:
Disodium Phenyl Dibenzimidazole Tetrasulfonate, also known as Neo Heliopan AP or Bisdisulizole Disodium, which is a water-soluble UVA Ⅱ protective agent, with good light stability, usually used in sunscreen and daily care products.
Specifications of our Disodium Phenyl Dibenzimidazole Tetrasulfonate (Bisdisulizole Disodium):
| Test Items | Specifications |
| Colour | Yellow to dark yellow |
| Appearance | Powder |
| Loss on Drying | Not more than 3.0% |
| Purity by HPLC | Not less than 96.0% |
| Extinction (E1% 1cm, 340nm) | Not less than 770 |
Features & Advantages:
♔ Highly efficient water-soluble UVAⅡ absorber, with strong UV absorption at 280nm-370nm;
♔ Excellent photostability;
♔ Very good skin safety, suitable for sensitive skin products;
♔ Synergistic effect with oil-soluble UVB absorbers;
♔ Combined with Avobenzone, a very efficient and broad-spectrum UVA protection product can be formulated;
♔ Good compatibility with other UV absorbers and cosmetic raw materials.
Applications of our Disodium Phenyl Dibenzimidazole Tetrasulfonate (Bisdisulizole Disodium):
Disodium Phenyl Dibenzimidazole Tetrasulfonate is suitable for sunscreen lotions, water-based lotions, water-based inks, and water-based paints. When used together with UV absorbers Avobenzone, Diethylaminohydroxybenzoyl Hexyl Benzoate(UVA PLUS) and Ethylhexyl Triazone(UVT-150), the synergistic effect is significant. The recommended dosage is between 0.5% and 2%; the maximum dosage is 5%.
Packing Size:
1kg/Aluminum Foil Bag, 20kg/Fibre Drum, 25kg/Fibre Drum or according to the specific requirements from customers.
Storage Conditions:
Preserved in unopened original containers in a cool dry place before using; kept away from direct sunlight, heat and moisture.
Shelf Life:
24 months if stored under above mentioned conditions.
China 
RM702, Unit 1, Building 21, Liuhe Road, Ganjingzi Dist, Dalian, Liaoning, China
Contact Person John Wang
