Grand Chemical
Optical Brightener ER-II
Optical Brightener ER-II is supplied by Shandong Grand Chemical for polyester fiber, paste brightener feedstock. C.I. 199:1. CAS 13001-38-2. 1,4-Bis(2-cyanostyryl)benzene isomer (CI 199:1). Use the specification table below; figures that are not printed on the source product page are marked TBC or omitted.
polyester fiberpaste brightener feedstock
Specification
| C.I. No. | 199:1 |
|---|---|
| CAS | 13001-38-2 |
| Molecular formula | C24H16N2 |
| Appearance | Slight yellow powder |
| Ionicity | Non-ionic |
| Shade | Slightly bluish white |
| Dosage (source) | Used as a powder grade and as feedstock for paste brighteners. See liquid 199:1 for pad and exhaust recipes. |
| Packing | TBC — confirm pack size when you inquire. |
| Synonyms on source page | OBA 199:1, ER-II |
What this grade is for
- Polyester fiber and paste-brightener feedstock.
- Same CAS family as the liquid 199:1 dispersion.
Questions we actually get
What is ER-II used for?
Optical Brightener ER-II is listed for polyester fiber, paste brightener feedstock.
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.
