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High Purity Tris (4-nonylphenyl) Phosphite CAS 3050-88-2

  • Model NO.: Organic Chemicals
  • Colour: Yellow
  • Chroma (Atha)<: 80
  • Phosphorus W%≥: 3.8
  • Acidity Mgkoh/G≤: 0.1
  • Refractive Index: 1.523-1.528
  • Viscosity PAS: 2.5-5.0
  • Density: 0.980-0.992
  • Trademark: SWC
  • Transport Package: 200kgs Iron Drum
  • Specification: 99% min
  • Origin: China
  • CAS No.: 3050-88-2
  • Formula: C45h69o3p
  • EINECS: 3050-88-2
  • Type: Synthesis Material Intermediates
  • Appearance: Liquid
  • Quality: Refined

High Purity Tris (4-nonylphenyl) Phosphite CAS 3050-88-2
Non-polluting thermal-oxidation resisting antioxidant. suitable for SBS, TPR, TPS, PS, SBR, BR, PVC, PE, PP, ABS and other rubber elastomers, with high thermal oxidative stability performance, processing, does not change colors in process , especially suitable for non-color-change stabilizer.

Product Name Tris(nonylphenyl)phosphite


Synonyms Antioxidant TNP; Tris-(nonylphenyl) phosphite ester; Tris(nonylphenyl)phosphite ; TNPP
Molecular Formula C45H69O3P
CAS Number 3050-88-2
EINECS 247-759-6

Appearance Pale yellow viscous liquid
Stability stable under ordinary conditions
Items Specifications
Appearance Pale yellow viscous liquid
Chroma (ATHA)< 80
Phosphorus W%≥ 3.8
Acidity mgKOH/g≤ 0.1
Refractive index 1.523-1.528
Viscosity 25ºC Pas 2.5-5.0
Density 25ºC g/cm3 0.980-0.992

No bad effects on product color; widely used in white and chromic products . Can improve the heat resistance of rubber and plastic products, and oxidation resistance; can prevent the polymer from resin phenomenon in the manufacture and storage. It can inhibit gel formation and Viscosity increase, to prevent thermal aging and yellowing of rubber and plastic products.

Packing and Storage
Packing: 200kgs iron drum
Storage: Keep container tightly closed in a dry and well-ventilated place.

High Purity Tris (4-nonylphenyl) Phosphite CAS 3050-88-2
Frequently Asked Questions

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight;

For those high value products, you just need to freight and certain product cost. When we both cooperate for

some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you.

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.)

or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,

shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on

where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.

Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide

for you all are qualified. We will have goods tested and provide COA before delivery for sure.


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