Tris(2,4-di-''tert''-butylphenyl)phosphite

Tris(2,4-di-tert-butylphenyl)phosphite

Names
Other names Plastic additive 12, Irgafos 168, tris(2,4-di-tert-butylphenyl) phosphite
Identifiers
CAS Number	31570-04-4
3D model (JSmol)	Interactive image
ChemSpider	82711
EC Number	250-709-6
PubChem CID	91601
UNII	834E5H0LFF
InChI InChI=1S/C42H63O3P/c1-37(2,3)28-19-22-34(31(25-28)40(10,11)12)43-46(44-35-23-20-29(38(4,5)6)26-32(35)41(13,14)15)45-36-24-21-30(39(7,8)9)27-33(36)42(16,17)18/h19-27H,1-18H3 Key: JKIJEFPNVSHHEI-UHFFFAOYSA-N
SMILES CC(C)(C)C1=CC(=C(C=C1)OP(OC2=C(C=C(C=C2)C(C)(C)C)C(C)(C)C)OC3=C(C=C(C=C3)C(C)(C)C)C(C)(C)C)C(C)(C)C
Properties
Chemical formula	C42H63O3P
Molar mass	646.94 g·mol−1
Appearance	white solid
Melting point	181–184 °C (358–363 °F; 454–457 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Tris(2,4-di-tert-butylphenyl)phosphite is an organophosphorus compound with the formula [(C₄H₉)₂C₆H₃O]₃P. This white solid is a widely used stabilizer in polymers where it functions as an antioxidant as well as other roles. The compound is a phosphite ester derived from di-tert-butylphenol.^[1]

References

1. ↑ Rainer Wolf; Bansi Lal Kaul (2000). "Plastics, Additives". Ullmann's Encyclopedia Of Industrial Chemistry. doi:10.1002/14356007.a20_459.