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Triphenyl phosphite

Colorless or yellowish transparent oily liquid. Slightly smell of phenol. Molecular weight 310. Color (APhA) <50. Acid value <0.5mgkoh/g. Phosphorus content 10%. As antioxidant and stabilizer of polymer, it has good synergistic effect with many phenolic antioxidants. Triphenyl phosphite was prepared from phosphorus trichloride and phenol.
  • Colorless or yellowish transparent liquid

  • 101-02-0


Product Description

Triphenyl phosphite Specification

Product Name
Triphenyl Phosphite
Molecular Weight 310
Quality Index
Appearance Colorless and transparent liquid
Chromaticity (Pt-Co) ≤50
Density (25℃, g/cm3) 1.180-1.192
Refractive Index (η25) 1.585-1.590
Freezing Point (℃) 19-24
Acid Value (mgKOH/g) ≤0.5
Packing Method 200KG metal pail

Triphenyl phosphite Application

Triphenyl Phosphite (TPP) is mostly used as a chelating agent, it’s widely used in all kinds of PVC products. It can make the products to keep its transparency and inhibit the change of color, at the same time it can increase the antioxidative ability and light & heat stability for the primary antioxidant. In addition, this product is also used in PE, PP, ABS, SBS and other products, and can be used as pesticide intermediates.

Triphenyl phosphite Packing & Delivery

Triphenyl Phosphite package

Triphenyl phosphite FAQ

1. May I have a sample order?
Yes, we welcome sample order to test and check our quality. Send me your requirement of the product you need. We can provide free sample, you just provide us the freight collect.

2. What is your acceptable payment term?
L/C, T/T, Western Union.

3. How about the validity of the offer?
Usually our offer is valid for 1 week. However, validity might vary between different products.

4. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of lading, COA, MSDS and Origin Certificate. Please let us know if you need additional documents.

5. Which loading port?
Usually loading port is Qingdao port and Shanghai Port, and also we can ship from other ports as your requirement.

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