Fluorescent Brightener 135 Chemical Properties

Melting point:

180-181°C

Boiling point:

471.2±55.0 °C(Predicted)

Density 

1.287

pka

2.87±0.10(Predicted)

form 

powder to crystaline

color 

White to Yellow to Green

Water Solubility 

290μg/L at 20℃

LogP

3.91 at 20℃

CAS DataBase Reference

1041-00-5(CAS DataBase Reference)

EPA Substance Registry System

Benzoxazole, 2,2'-(1,2-ethenediyl)bis[5-methyl- (1041-00-5)

Safety Information

HS Code 

2934.99.4400

Fluorescent Brightener 135 Usage And Synthesis

Chemical Properties

This product is a milky white slurry with good dispersibility and is neutral. Is a non-ionic compound. Melting point 182 ~ 184 ℃. Insoluble in water, soluble in DMF and ethanol, acid-resistant to pH=2～3, alkali-resistant to pH=10.

Uses

Fluorescent Brightener 135 is used as a brightener for synthetic fibers, suitable for brightening polyester, nylon, acetate fibers or synthetic fibers and cotton, wool blended fabrics, etc. The fabrics produced with it have good light fastness and wet fastness.

Flammability and Explosibility

Not classified

Synthesis

Fluorescent Brightener 135 can be prepared by the reaction of xylene, o-amino-p-cresol, hydroxysuccinic acid and boric acid.

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