Secondary Antioxidant TNPP
Basic Information:
Product name: Secondary Antioxidant TNPP
Chemical name: three (nonylphenol) phosphotes;
English name: Antioxidants TNPP; Tris (nonylphenyl) phosphite;
CAS number: 26523-78-4
Molecular formula: C45H69O3P
Molecular weight: 689
EINECS Number: 247-759-6
Structural formula:
Related categories:polymer additives; antioxidant;organic chemical raw materials;
Melting point: 115-118°C (dec.) (lit.)
Boiling point: >360°C (lit.)
Density 0.99 g/mL at 25°C (lit.)
Refractive index: n20/D 1.528 (lit.)
Flash point:> 230 F.
Solubility: Solsoluble in acetone, benzene (trace), chloroform (trace), ethanol (trace), insoluble in water.
Properties: Light yellow and clear liquid.
Viscosity @25℃: 3500-7000 mPas.
Odor : a slight odor.
Sensitivity: sensitive to moisture.
| Specification | Unit | Standard |
| Appearance | Light yellow& clear liquid | |
| purity | % | ≥99 |
| Ash content | % | ≤0.5 |
It is a stabilizer of high purity, low color degree and low free nonylphenol content, which can improve the polymer color and processing stability during regeneration, drying, mixing, processing and use. This product combined with other stabilizer such as blocked phenol use can play a synergistic effect. During regeneration and (or) mixing, this product may be added alone or together with the monomer and (or) added in the antioxidant emulsion to the substrate (polymer).
Suitable for: can be used in many polymers, such as HDPE (high-density polyethylene), LLDPE (linear low-density polyethylene), SBR (rubber rubber), ABS (propylene-butadiene-ethylene copolymer), PVC (polyvinyl chloride) and other polymers.
Packed in 25 Kg / barrel. Or packed as per customer’s requirements.
Store appropriately in a dry area below 25 °C with a shelf life of two years.
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