Grand Chemical
Optical Brightener 199:1
Optical Brightener 199:1 is supplied by Shandong Grand Chemical for polyester resin, polyester fiber, triacetate fiber, blends. C.I. 199:1. CAS 13001-38-2. Stilbene derivative (CI 199:1 liquid). Use the specification table below; figures that are not printed on the source product page are marked TBC or omitted.
polyester resinpolyester fibertriacetate fiberblends
Specification
| C.I. No. | 199:1 |
|---|---|
| CAS | 13001-38-2 |
| pH (1% aq.) | 5.0–7.0 |
| Active | 10% or 20–22% |
| Water | Dispersible |
| Appearance | Light yellow dispersion / liquid / emulsion |
| Ionicity | Non-ionic |
| Shade | Neutral white, slightly bluish |
| Dosage (source) | Pad 1–5 g/L, bake 180–220 °C for 20–30 s. Exhaust 0.1–0.8% owf at 120–130 °C for 30–60 min. |
| Packing | 25 / 30 / 60 / 125 kg or IBC |
| Synonyms on source page | ERII-L, Uvitex EMT, Ultraphor SFN, Hostalux ETBN, FBA 199:1 |
What this grade is for
- Liquid 199:1 for polyester and triacetate.
- Slightly bluish shade versus the 199 liquid.
Questions we actually get
What is 199:1 used for?
Optical Brightener 199:1 is listed for polyester resin, polyester fiber, triacetate fiber, blends.
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.
