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CAS 301-13-3

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tris(2-ethylhexyl) phosphite

Description:
Tris(2-ethylhexyl) phosphite, with the CAS number 301-13-3, is an organophosphorus compound commonly used as a plasticizer and stabilizer in various polymer applications, particularly in polyvinyl chloride (PVC). It is characterized by its ability to enhance thermal stability and improve resistance to degradation from heat and light. The compound is a colorless to pale yellow liquid with a mild odor and is soluble in organic solvents but has limited solubility in water. Its molecular structure features three 2-ethylhexyl groups attached to a phosphite backbone, contributing to its effectiveness as a processing aid. Tris(2-ethylhexyl) phosphite is also known for its antioxidant properties, which help in prolonging the lifespan of materials by preventing oxidative degradation. While it is generally considered to have low toxicity, appropriate safety measures should be taken during handling, as with any chemical substance. Overall, its unique properties make it valuable in the manufacturing of flexible plastics and other polymer-based products.
Formula:C24H51O3P
InChI:InChI=1/C24H51O3P/c1-4-7-10-13-16-19-22-25-28(26-23-20-17-14-11-8-5-2)27-24-21-18-15-12-9-6-3/h4-24H2,1-3H3
InChI key:InChIKey=ILLOBGFGKYTZRO-UHFFFAOYSA-N
SMILES:P(OCC(CCCC)CC)(OCC(CCCC)CC)OCC(CCCC)CC
Synonyms:
  • 1-Hexanol, 2-ethyl-, phosphite
  • 1-Hexanol, 2-ethyl-, phosphite (3:1)
  • Jp 308
  • Jp 308E
  • NSC 3233
  • Phosphorous acid tris(2-ethylhexyl) ester
  • Trioctyl Phosphite
  • Triisooctyl phosphite
  • Tris(2-ethylhexyl) phosphite
  • 2-ethyl-1-hexanophosphite(3:1)
  • See more synonyms
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