optical brightener ER-I

Optical Brightener ER-I

Optical Brightener ER-I, fluorescent whitening agent ER-I, Fluorescent Brightener ER-I，FBA 199, CAS NO.13001-39-3, MF is C24H16N2, is a chemical intermediate.ER-I suitable for the whitening and brightening of polyester and its blended fabrics and acetate fibers. Fluorescent Brightener ER-I is not only suitable for exhaustion dyeing but also suitable for pad dyeing process. ER-I has good levelness and low temperature coloring ability. For reducing agents, oxidants, hypochlorite compounds are relatively stable. The fluorescent intensity of Optical Brightener ER-I is very high, as long as a small amount of addition can meet the whiteness requirements.

Optical Brightener ER-I, 1,4-Bis (2-cyanostyryl) benzene,also known as fluorescent whitening agent ER-I, Fluorescent Brightener ER-I; FBA 199, CAS NO.13001-39-3, MF is C24H16N2, molecular weight is 332.3972, is a chemical intermediate.ER-I suitable for the whitening and brightening of polyester and its blended fabrics and acetate fibers. Fluorescent Brightener ER-I is not only suitable for exhaustion dyeing but also suitable for pad dyeing process. ER-I has good levelness and low temperature coloring ability. For reducing agents, oxidants, hypochlorite compounds are relatively stable. The fluorescent intensity of Optical Brightener ER-I is very high, as long as a small amount of addition can meet the whiteness requirements.

Optical Brightener ER-I Pure Powder 99%min with CAS No. 13001-39-3

1.Product description:

Optical brightener ER-I light Green powder, melting point 230-232℃, maximum UV absorption wavelength: 370nm (in ethanol) , maximum fluorescence emission wavelength: 435nm. ER-I is a type of stilbene benzene, soluble in a variety of organic solvents. Stable for cationic softener. Light Fastness Class S, good washing fastness.ER-I can be used in the same bath with sodium hypochlorite, hydrogen peroxide and reductive bleach.

2.Specification:

3.Product details:

Place of Origin: China

Brand Name: Ogilvy

Certification: ISO9001

Application: Optical Brightener ER-I Mainly used for polyester, acetate fiber, nylon, polyester cotton blended fabrics.

Dosage: 0.01-0.5%,depends on the application and the desired whiteness.

4.Our advantage:

1.  Owned factory, Owned R&D center and lab.

2.  Factory directly sale, price can be always 3% lower than the market price.

3.  Less dosage, Better effect.

4.  Fast delivery, Excellent service.

5.  We not only sell OBA, but also provide system whitening solutions and technique support.

6.  We have many years of export experience, we can provide to you complete shipping documents for your custom clearance.

5.Packing information:

Usually is 25Kg/cardboard drum with inner double PE liner.