Optical Brightener CXT
Optical Brightener CXT is supplied by Shandong Grand Chemical for detergent, soap, cotton, nylon, vinylon. C.I. 71. CAS 16090-02-1. Disodium 4,4'-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulfonate. Use the specification table below; figures that are not printed on the source product page are marked TBC or omitted.
Source product photo reuses the ER-II image file. CXT is the powder form of CI 71.
Specification
| C.I. No. | 71 |
|---|---|
| CAS | 16090-02-1 |
| Molecular formula | C40H38N12O8S2Na2 |
| Formula weight | 924 |
| Purity | 99.5% |
| Moisture | ≤5% |
| Fineness | 425 µm residue 5% max |
| UV absorption | 350 nm |
| Appearance | White to light yellow powder |
| Ionicity | Anionic |
| Dosage (source) | Confirm with the intended detergent or textile process. |
| Packing | 25 kg fiber drum |
| Synonyms on source page | Tinopal CXT, OBA 71 |
What this grade is for
- Detergent/soap plus cotton and nylon textiles.
- Purity 99.5%, moisture ≤5%.
Questions we actually get
What is CXT used for?
Optical Brightener CXT is listed for detergent, soap, cotton, nylon, vinylon, protein fiber, amino plastics.
Do you publish a price?
No. The live catalog does not list prices. Ask for a quote with your polymer or fiber, process temperature and monthly volume.
Can I get TDS / COA / SDS?
Yes — request the current document set by WhatsApp or email. This site does not host downloadable PDFs because the source site does not publish a document library.




