Origin	China
Model Number	C.I.199:1
Brand Name	FLY

Chemical Name	1-(2-CYANOSTYRYL)-4-(4-CYANOSTYRYL)BENZENE
The same name	FBA ER-II,  OBA EB-330 Fluorescent Brightener 199:1, ER-II; 2,4'-[1,4-Phenylenebis(2,1-ethenediyl)] bisbenzonitrile
CAS NO.	13001-38-2
C.I.NO.	199:1
Appearance	Light yellow liquid
Ionicity	Nonionic
Active content	20%
PH value	4-7
Application	Used for polyester, cotton, polyester filaments, polyester yarn, polyester wool, polyester blended linen and other textiles whitening, is also used  in leather, coating industries such as whitening
Packing	Packing in 25kg plastic drum or according to the requirement of the customers
USAGE 1 Pad dyeing process	Rate of use:  2-4g/l; Procedure: Twice dipping and twice padding100°Cpre-drying180-200°C curing for 20-30s for setting. (Water wash can be dispensed with.)
USAGE 2 High-temperature -pressure dip-dyeing process	Rate of use: 0.2-0.6 %( O.W.F.) Bath ratio: 1:30 PH: adjust the PH value to 4-5 Keeping dyeing temperature at 130°C for 60min reduction clearing drying.