antioxidant-245-irganox-245- CAS 36443-68-2

Antioxidant 245, Irganox 245, CAS 36443-68-2

Chemical Name:

Ethylene bis (oxyethylene) bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate] or Triethylene glycol bis β-(3-tert-butyl-4-hydroxy-5-methylphenyl) propionate

Formula C34H50O8  antioxidant-245 baoxu chemical
Molecular Weight       586.8
CAS# 36443-68-2


irganox 245,


Appearance White crystallized powder
Ash Max.0.10%
Melting point 76-79℃
Volatilizing Max.0.50%
Solubility(20℃) Acetone > 50
Benzene 18
Chloroform > 40
Ethyl acetate 37
Ethanol 10
n-Hexane < 0.1
Methanol 12
Methylene chloride > 40
Toluene 6
Styrene 6
polyetherol ~ 3
Water < 0.01
Assay, effective components Min.96.0%


>Features: High extraction resistance; Low volatility; odorless; good color stability.

>Antioxidant 245 used as an antioxidant in styrene polymer such as HIPS, ABS, engineering plastics such as POM, PA, polyurethane such as urethane elastic fiber, also it is effective as chain stopper during PVC polymerization.

>Dosage:0.05–0.5% of antioxidant 245 provides long-term thermal stability to the polymer.

>Irganox 245 can be used in combination with other additives, such as light stabilizers and other functional stabilizers. The effectiveness of the blends of antioxidant 245 with antioxidant 168 is noteworthy

Handing and Safety: 

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet


Properly stored and protected, an unopened container of antioxidant 245 should have a shelf life of at least one year.

Packed with plastic bag in composite plastic woven sack, Net 25kg/bag,1000kg/pallet, 10pallet/20’FCL, or according to customers’ requirements.


antioxidant irganox 245 tds baoxu chemical

antioxidant irganox 245 msds baoxu chemical