OPTICAL BRIGHTENER ER-3

C.I.199:2 CAS：13001-40-6

CHEMICAL NAME: 1,4-Bis(2-cyano styryl)benzene

MOLECULAR FORMULA: C24H16N2

MOLECULAR WEIGHT: 332.2 (As International relative Atom Mass 1997)

SPECIFICATIONS:

Item	Indices
Appearance
Purity	≥ 99.0 %
Melting point	288-291℃
Grain finess (> 4μm grain)	≤ 3

APPLICATIONS:

Optical Brightener ER-3 is a diphenylethylene type compound, it is insoluble in water, but well soluble in most organic solvents. It is stable to cationic softening agent.I t can be used in the same bath with sodium hypochloride,hydrogen peroxide and reductional bleaching agent, it is very suitable for whitening and brightening polyester fiber, acetate fiber, polyvinlye, etc. Products can be remarkably upgraded by adding ER-3 liquid.

PACKAGE: Packaged in plastic drum. Net weight is 25 kg or 50 kg each.

STORAGE: Should be stored in cool and dry place.

SHANGHAI JECA COLOR CO.,LTD.

ER-3