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

Tris(2,4-di-tert-butylphenyl)phosphite
Names
	Preferred IUPAC name Tris(2,4-di-tert-butylphenyl) phosphite
	Other names Plastic additive 12; Irgafos 168; Alkanox 240;
Identifiers
CAS Number	31570-04-4;
3D model (JSmol)	Interactive image;
ChemSpider	82711;
ECHA InfoCard	100.046.084
EC Number	250-709-6;
PubChem CID	91601;
UNII	834E5H0LFF;
CompTox Dashboard (EPA)	DTXSID2027969 ;
	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	646.937 g·mol−1
Appearance	white solid
Melting point	181–184 °C (358–363 °F; 454–457 K)
Solubility in water	<0.1 g/100g
Solubility in n-hexane	14 g/100g
Solubility in ethyl acetate	5 g/100g
Solubility in chloroform	58 g/100g
Solubility in toluene	40 g/100g
Solubility in methanol	<0.5 g/100g
	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

↑ Rainer Wolf; Bansi Lal Kaul (2000). "Plastics, Additives". Ullmann's Encyclopedia Of Industrial Chemistry. doi:10.1002/14356007.a20_459. ISBN 3527306730.

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[1] Rainer Wolf; Bansi Lal Kaul (2000). "Plastics, Additives". Ullmann's Encyclopedia Of Industrial Chemistry. doi:10.1002/14356007.a20_459. ISBN 3527306730.

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