Benefos® 1618


Benefos 1618 is a phosphite-type antioxidant for the stabilization of a wide range of plastics, elastomers, adhesives, and other substrates.


Chemical Name:                     2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis(octadecyloxy)

CAS Number:                         3806-34-6

Chemical Structure:

Benefos 1618

Typical Properties         

Product Form:                         Solid

Melting Point:                          50 – 65oC

Molecular Weight:                   732 g/mol

Product Details:  Please view our Benefos 1618 PDF