Grand Chemical
Optical Brightener ER-I
Optical Brightener ER-I is supplied by Shandong Grand Chemical for polyester fiber emulsion, PE, PP, PVC. C.I. 199. CAS 13001-39-3. 1,4-Bis(2-cyanostyryl)benzene. Use the specification table below; figures that are not printed on the source product page are marked TBC or omitted.
polyester fiber emulsionPEPPPVC
Specification
| C.I. No. | 199 |
|---|---|
| CAS | 13001-39-3 |
| Molecular formula | C24H16N2 |
| Chemical name | 1,4-Bis(2-cyanostyryl)benzene |
| Appearance | Yellowish-green powder |
| Ionicity | Non-ionic |
| Shade | Reddish-white option among ER grades |
| Dosage (source) | Plastics 0.02–0.03%. |
| Packing | 25 kg fiber drum |
| Synonyms on source page | Blankophor ER 330, Ultraphor RN, OBA 199 |
What this grade is for
- Polyester fiber emulsion systems plus PE/PP/PVC.
- Pair with the liquid 199 grade when a dispersion is required.
Questions we actually get
What is ER-I used for?
Optical Brightener ER-I is listed for polyester fiber emulsion, PE, PP, PVC.
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.
