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Antioxidant HW-245

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Antioxidant HW-245

Its leading products are antioxidant HW-245,AO-80, yellow inhibitor HN-150,HN-130,TSA-011and dyeing auxiliary SAM etc.

Affiliated Classification:

Antioxidant


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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.

Keywords: Antioxidant,Yellow Inhibitor,Dyeing Auxiliary,Ultraviolet Absorbent

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