7128-64-5

CAS Nr.:

7128-64-5

2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)

EINECS Name:

2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)

230-426-4

EINECS Nr.:

230-426-4

5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole / 2,5-Bis(5-tert-butylbenzoxazol-2-yl)thiophene / Tinopal OB

Synonym:

5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole / 2,5-Bis(5-tert-butylbenzoxazol-2-yl)thiophene / Tinopal OB

The optical brightener OB is a chemical raw material that is widely used in various industrial sectors and plays an important role due to its unique physical properties.

Physical properties of OB

OB is a white to yellowish powder with high purity. It is characterized by high thermal stability and is soluble in most organic solvents. This compound absorbs ultraviolet light and converts it into visible blue-violet light, resulting in optical brightening of materials. It is relatively stable at room temperature but can decompose at higher temperatures or in the presence of moisture.

Examples of OB applications

In the textile industry, OB is often used as an optical brightener for textiles and fibers. It is added to detergents and cleaning agents to give fabrics a brighter and whiter appearance. Additionally, it enhances the optical brightness of printed fabrics and ensures livelier colors.

OB is also used in the paper industry to brighten paper and cardboard. It is added to paper during the manufacturing process to increase the brightness and whiteness of the paper. This makes printed colors appear more vibrant, and the paper overall looks brighter and more attractive.

In the plastic industry, OB is used in the production of plastics such as PVC, polypropylene, and polyethylene. It enhances the optical brightness and color of the products, making them more appealing.

OB is also used in detergents and cleaning agents to improve the optical brightness of textiles and surfaces. It ensures a radiant and clean appearance of the treated materials.

OB is an extremely versatile chemical raw material with a wide range of applications. Its ability to brighten materials and improve their visual impact makes it an indispensable component of various industrial sectors.