Irganox 1098

Irganox 1098 is the trade name for N,N'-1,6-hexanediylbis[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenylpropanamide], a primary antioxidant manufactured by BASF primarily used for stabilizing polymers, especially polyamides.[1][2] It is noted for its thermal stability as well as its non-discoloring properties.

Irganox 1098

Names
IUPAC name N,N′-1,6-hexanediylbis[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenylpropanamide]
Other names N,N′-Hexamethylenebis(3,5-di-tert-butyl-4-hydroxyhydrocinnamamide); 1,6-Bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamido)hexane
Identifiers
CAS Number	23128-74-7^Y
3D model (JSmol)	Interactive image
ChemSpider	81250
ECHA InfoCard	100.041.296
EC Number	245-442-7
PubChem CID	90004
UNII	918T54D300^Y
CompTox Dashboard (EPA)	DTXSID5044233
InChI InChI=1S/C40H64N2O4/c1-37(2,3)29-23-27(24-30(35(29)45)38(4,5)6)17-19-33(43)41-21-15-13-14-16-22-42-34(44)20-18-28-25-31(39(7,8)9)36(46)32(26-28)40(10,11)12/h23-26,45-46H,13-22H2,1-12H3,(H,41,43)(H,42,44) Key: OKOBUGCCXMIKDM-UHFFFAOYSA-N InChI=1/C40H64N2O4/c1-37(2,3)29-23-27(24-30(35(29)45)38(4,5)6)17-19-33(43)41-21-15-13-14-16-22-42-34(44)20-18-28-25-31(39(7,8)9)36(46)32(26-28)40(10,11)12/h23-26,45-46H,13-22H2,1-12H3,(H,41,43)(H,42,44) Key: OKOBUGCCXMIKDM-UHFFFAOYAW
SMILES CC(c1c(c(cc(c1)CC/C(=N/CCCCCC/N=C(\O)/CCc2cc(c(c(c2)C(C)(C)C)O)C(C)(C)C)/O)C(C)(C)C)O)(C)C
Properties
Chemical formula	C40H64N2O4
Molar mass	636.962 g·mol^−1
Density	1.021 g/cm^3
Melting point	158–159 °C (316–318 °F; 431–432 K) (benzene:cyclohexane 2:3)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

See also

• Pentaerythritol tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate)

References

1. Alger, Mark (1996). Polymer science dictionary (2nd ed.). London: Chapman & Hall. ISBN 9780412608704.
2. "Irganox 1098" (PDF). Guanan Industrial. BASF.