CAS 6095-42-7: Phosphorous acid, trihexyl ester
Description:Phosphorous acid, trihexyl ester, also known as trihexyl phosphite, is an organophosphorus compound characterized by its trihexyl ester functional group derived from phosphorous acid. It typically appears as a colorless to pale yellow liquid with a mild, oily odor. This compound is known for its role as a plasticizer and stabilizer in various polymer formulations, particularly in the production of polyvinyl chloride (PVC). It exhibits good thermal stability and can enhance the processing characteristics of plastics. Additionally, trihexyl phosphite is recognized for its antioxidant properties, helping to prevent degradation of materials exposed to heat and light. The compound is soluble in organic solvents but has limited solubility in water. Safety considerations include handling it with care, as it may cause skin and eye irritation. Overall, trihexyl phosphite is valued in industrial applications for its functional properties and effectiveness in improving the performance of polymeric materials.
Formula:C18H39O3P
InChI:InChI=1S/C18H39O3P/c1-4-7-10-13-16-19-22(20-17-14-11-8-5-2)21-18-15-12-9-6-3/h4-18H2,1-3H3
InChI key:InChIKey=DSKYTPNZLCVELA-UHFFFAOYSA-N
SMILES:O(P(OCCCCCC)OCCCCCC)CCCCCC
- Synonyms:
- Hexyl phosphite
- Hexyl phosphite ((C<sub>6</sub>H<sub>13</sub>O)<sub>3</sub>P)
- NSC 5638
- Phosphorous acid tri-n-hexyl ester
- Phosphorous acid, trihexyl ester
- Tri-n-hexyl phosphite
- Trihexyl Phosphite
- Hexyl phosphite ((C6H13O)3P)
Brand | Product data | Purity | Price range | Estimated delivery |
---|---|---|---|---|
![]() | Trihexyl Phosphite REF: 3B-P1260CAS: 6095-42-7 | >95.0%(GC) | 47.00 €~109.00 € | Fri 25 Apr 25 |
![]() | TRIHEXYL PHOSPHITE REF: IN-DA003V2OCAS: 6095-42-7 | 95% | To inquire | Fri 02 May 25 |
![]() | Trihexyl Phosphite REF: 54-OR1030155CAS: 6095-42-7 | 97% | 32.00 €~3,225.00 € | Mon 05 May 25 |
![]() | Trihexyl phosphite REF: 3D-FT178113CAS: 6095-42-7 | Min. 95% | - - - | Discontinued product |

Trihexyl Phosphite
Ref: 3B-P1260
5g | 47.00 € | ||
25g | 109.00 € |

TRIHEXYL PHOSPHITE
Ref: IN-DA003V2O
1g | 42.00 € | ||
5g | 82.00 € | ||
25g | 201.00 € | ||
100g | To inquire | ||
250mg | 26.00 € |

Ref: 54-OR1030155
1g | 36.00 € | ||
5g | 57.00 € | ||
25g | 211.00 € | ||
100g | 740.00 € | ||
500g | 3,225.00 € | ||
250mg | 32.00 € |

Trihexyl phosphite
Ref: 3D-FT178113
2g | Discontinued | Request information | |
5g | Discontinued | Request information | |
10g | Discontinued | Request information | |
25g | Discontinued | Request information | |
50g | Discontinued | Request information |