Optical Brightener 4BK | Fluorescent Brightener 87 | Cinopal 1871 | 12768-91-1

Optical Brightener 4BK | Fluorescent Brightener 87 | Cinopal 1871 | 12768-91-1

Short Description:

Optical Brightener 4BK is a highly effective optical brightener designed for the textile industry. This whitener excels in whitening cellulose-based fabrics, including cotton, linen and viscose, and is ideal for manufacturers looking to improve the brightness of their textiles.

                                  

Common Name:   Optical Brightener 4BK

Other Name:  Fluorescent Brightener 87

COLORCOM Code:  Cinopal 1871

C.I. No.:  87

CAS No.:   12768-91-1

EINECS No.:  /

Appearance:  Light greenish yellow powder 

Molecular Formula:  C40H40N12O16S4.4Na

Synonyms:  FBA 87


Product Detail

Product Tags

Product Name

Cinopal 1871

C.I.

87

Content (%)

99

Moleclar Weight

814.76

Appearance

White powder

Melting Point

238-240°C

Reference Dosage

0.1-2.0 %

        1. 1.It has good fluorescent whitening effect, strong whiteness enhancement force, bright and vivid color.
        2. 2.Insensitive to light, chemical properties are more stable.
        3. 3.It can resist weak acid, alkali, hydrogen peroxide and perborate, adapt to alkaline-oxygen-bath processing technology, also suitable for rolling dyeing process.
        4. 4.It has good washing resistance.

    1.  

Suitable for whitening of cotton, polyester/cotton blended fabrics and whitening of cotton blended fabrics in one bath.


In 25kg drums (cardboard drums), lined with plastic bags or according to customer's requirements.

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