Benefos 1680 Phosphite Type Antioxidant

Overview of Benefos 1680 Phosphite Antioxidant Additive

Benefos 1680 (31570-04-4) is a phosphite type antioxidant of low volatility and extremely resistant to hydrolysis.

This secondary antioxidant provides excellent heat stability and antioxidation, with good compatibility with resins and excellent extraction resistance.

Benefos 1680 performs best when combined with a primary antioxidant (i.e. BNX 1010 or BNX 1076).


Chemical Name:       Tris(2, 4-di-tert-butylphenyl)phosphite

CAS Number:            31570-04-4

Chemical Structure:

Benefos 1680

Typical Properties

Product Form:           Solid

Melting Point:            183 – 187oC

Molecular Weight:      647 g/mol

Product Details:  Please view our Benefos 1680 PDF