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CAS:36443-68-2
MF:C34H50O8
MW:586.77
EINECS:253-039-2
Synonyms:(oxy-2,1-ethanediyl)ester; Benzenepropanoicacid,3-(1,1-dimethylethyl)-4-hydroxy-5-methyl-,1,2-ethanediylbis(oxy-2,1-ethanediyl)ester; Ethylenbis(oxyethylChemicalbooken)bis[3-(5-tert.-butyl-4-hydroxy-m-tolyl)propionat]
What is Antioxidant 245 CAS 36443-68-2？
Antioxidant 245 is a highly efficient asymmetric hindered phenol antioxidant, which is characterized by high antioxidant efficiency, low volatility, good oxidation resistance and coloration, and significant synergistic effect with auxiliary antioxidants (such as thioester or phosphite ester), and can be used with light stabilizer to give products excellent weather resistance.
Specification
| Item | Specification |
| Melting point | 79-81℃ |
| Boiling point | 602.88°C (rough estimate) |
| Density | 1.0397 (rough estimate) |
| Acidity coefficient (pKa) | 11.44±0.25(Predicted) |
| Refractive index | 1.6000 (estimate) |
| Flash point | >150 °C |
| LogP | 4.7 at 23℃ |
Application
Antioxidant 245 has good compatibility with polymers and high thermal oxygen resistance. It is suitable for high impact polystyrene, ABS resin, AS resin, MBS resin, polyvinyl chloride, polyformaldehyde, polyamide, polyurethane, hydroxylated styrene butadiene rubber and styrene butadiene latex. It is also a chain terminator in PVC polymerization. In the field of polyurethane materials, it can be used in RIM, TPU, spandex, polyurethane adhesive, sealant and other products. It can be combined with auxiliary stabilizer, light stabilizer and its functional stabilizer.
Packaging
25kg/drum or according to customer requirements.
Related keywords
triethyleneglycolbis-3-(3-t-butyl-4-hydroxy-5-methylphenyl)propionate; 3-tert-Butyl-4-hydroxy-5-methylphenylpropionicacidtriethyleneglycolester; Irganox245(CibaSC); CibaIrganox245.
