Sinocure Chemical Group Co.,Ltd.

Sinosorb® UV Absorber

Sinosorb® UV-2908

 Sinosorb® UV 2908 is a substituted benzoate that absorbs ultraviolet radiation and through a reversible chemical rearrangement, dissipates the energy as heat. Provides antioxidant activity

both during thermal processing and in moderate elevated temperatures due to radical scavenging mechanism.

Sinosorb® UV 2908 can be used in combination with phenolic & phosphite antioxidants, and HALS to optimize performance in outdoor use synergizes well with UV absorbers and antioxidants which function as hydro-peroxide decomposers.

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SKU SCGUA010 Category

SINOSORB® UV-2908

Chemical Name: Hexadecyl 3,5-bis-tert-butyl-4-hydroxybenzoate

CAS No.: 67845-93-6

MF: C31H54O3    MW:474.76

Molecular structure:

 

General information:

Sinosorb® UV 2908 is a substituted benzoate that absorbs ultraviolet radiation and through a reversible chemical rearrangement, dissipates the energy as heat. Provides antioxidant activity

both during thermal processing and in moderate elevated temperatures due to radical scavenging mechanism.

Sinosorb® UV 2908 can be used in combination with phenolic & phosphite antioxidants, and HALS to optimize performance in outdoor use synergizes well with UV absorbers and antioxidants which function as hydro-peroxide decomposers.

Standard

Item Specification
Appearance White to off white Powder
Melting Point, ℃ 59-64
Volatile Content, % ≤0.50
Ash, % ≤0.10
TGA(10%), ℃ 308

 Applications: Sinosorb® UV 2908 exhibits excellent compatibility, low color contribution, low volatility and low toxicity. It is an excellent ultraviolet light stabilizer for olefins, particularly pigmented opaque formulations, for applications such as pipes, drums, sheeting, marine, and garden.

 Packaging and Shipping:

Packing:25kgs/Carton

Storage:
Being kept in dry, clean warehouse with well ventilation.
Avoid exposing to light and heating for prevention of oxidation.
Protecting the product from leakage, rain and insolation during transportation.

Details

Trivial name:

UV Absorber UV-2908

Cas No.

67845-93-6

MF

C31H54O3

Purity

≥99%

Package

25kgs/carton or Drum

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