Optical brightener OB-1 / Uvitex OB – 1 / CAS:1533-45-5
specification
|
Item |
Specifications |
|
Appearance |
solid |
|
Colour |
sticky yellow color |
|
Melting point |
>300 °C(lit.) |
|
boiling point |
533.34°C (rough estimate) |
|
density |
1.2151 (rough estimate) |
|
vapor pressure |
0Pa at 25℃ |
|
refractive index |
1.5800 (estimate) |
|
Acidity coefficient (pKa) |
1.45±0.10(Predicted) |
|
Water solubility |
10μg/L at 25℃ |
|
Maximum wavelength (λmax) |
372 nm |
|
Conclusion |
This sample meets the specifications. |
Usage
Optical brightener OB - 1 is a commonly used fluorescent whitening agent, mainly used in the following aspects:
1.Plastic industry: It can be added to various plastic products to absorb ultraviolet light and emit blue - violet fluorescence, which can effectively improve the whiteness and brightness of plastic products, making them more visually appealing.
2.Textile industry: It is used to whiten and brighten fabrics. It can not only enhance the whiteness of white fabrics but also make the colors of colored fabrics more vivid, improving the overall quality of the fabrics.
3.Paper industry: When added to paper pulp, it can increase the whiteness and brightness of paper, making the paper look cleaner and more delicate, which is beneficial to improving the quality of paper products.
4.Other applications: It is also widely used in coatings, inks, and detergents. In coatings and inks, it helps to improve the color and gloss. In detergents, it can make the washed fabrics appear whiter and brighter, enhancing the cleaning effect.
Packaging and Shipping
25KG/Drum or as customer requirements.
Belongs to common goods and can deliver by ocean and air
Keep and storage
Shelf life:24 month from date of manufacture in original unopened packaging stored in a cool dry place out of direct sunlight, water.
Ventilated warehouse, Low temperature drying, Separated from oxidants, acids.
