Ukraine Antioxidant HW-245

Product Description

Antioxidant HW- 245

Trade name:

Antioxidant 245

  Chemical name:

Ethylenebis(oxyethylene)bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate]

  Structural formula:

CAS:

36443-68-2

  Formula:C34H50O8

  Molecular weight:

586.8

Specific gravity:

1.14(20℃)

  Specification:

Item

Index

Appearance

White to off-white crystal

Assay

≥98.0%

Melting point

76.0℃~80.0℃

Volatiles

≤0.5%

Transmittance

425nm≥95.0%

500nm≥97.0%

Solubility

Clear 10g/100g Chloroform

Ash

≤0.1%

  Use:

The product is used as an antioxidant in styrene polymer (such as HIPS, MBS, ABS), Engineering plastics (such as POM, PA) and polyurethane (such as urethane elastic fiber).

Packing and storing:

In thick paper bag, net wt.20kg, or carton, net wt.25kg; maximum recommended storage time under suitable conditions (dry, cool, well-ventilated) beyond testing date 24 months.