Trisnonylphenyl phosphite (TNPP)

Rubber auxiliaries

Trisnonylphenyl phosphite (TNPP) is a heat stabilizer used in the manufacturing of synthetic rubber such as SBR, E-SBR, PBR, NBR. It enhances the heat, colour and processing stability of rubber.

СAS: 26523-78-4
IMO: 9.1
UN: 3082
Packaging: 200 kg drums

Parameter Unit Standard
Appearance Clear, pale yellow viscous liquid
Color APHA max 100
Acid value mgs KOH/gm max 0,5
Refractive index % max 1,5200-1,5300
Phosphorous content % 3,8-4,1
Specific gravity @ 25C gm/cc 0,980-0,990
Order product
Other products