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Dragonox® BHT

CAS Number
128-37-0
EC Number
204-881-4
Chemical Name
26-di-tert-butyl-p-cresol

Dragonox® BHT is a phenolic antioxidant that is widely used in polymer materials, petroleum products, and the food processing industry. It is a common rubber antioxidant that has a protective effect on heat and oxygen aging. It is easy to disperse in rubber and can be directly mixed into rubber or added to latex as a dispersion. This volatile product can also be used as a gelling inhibitor in SBR and as an effective stabilizer in polyethylene, polyvinyl chloride (dosage 0.01 - 0.1%), and polyethylene ether.

Properties

Physical Form
  • Crystals
  • Solid

Product families

Elastomers — Elastomer Additives
  • Antioxidants & Stabilizers
Plastics — Polymer Additives
  • Antioxidants & Stabilizers

Other characteristics

Brand
Dragonox
Features
Good Dispersion, Heat Aging Resistant
Functions
Primary Antioxidant, Stabilizer
Compatible Polymers & Resins

Natural Rubbers (NR), Polyethylenes (PE), Polyvinyl Chloride (PVC), Styrene Butadiene Rubber (SBR), Synthetic Rubbers

Color
White
Appearance
White crystal
Technology
  • Elastomers
  • Plastics
Material Features
  • Good Dispersion
  • Heat Aging Resistant
Compatible Polymers and Resins
  • Natural Rubbers (NR)
  • Polyethylenes (PE)
  • Polyvinyl Chloride (PVC)
  • Styrene Butadiene Rubber (SBR)
  • Synthetic Rubbers
Plastics and Elastomers Functions
  • Primary Antioxidant
  • Stabilizer

Technical data

Table 1 of 1

11 rows
CharacteristicValueUnit
Assaymin. 99%
Melting Range69 - 70°C
Dissociative Phenol (PC)max. 0.015%
Moisturemax. 0.1%
Ash Contentmax. 0.01%
Sulphates (as SO4)max. 0.002%
Heavy Metal (Pb)max. 0.0004%
Arsenic Contentmax. 0.0001%
Chemical Name2,6 - Di - tert - butyl - 4 - Methyl phenol—
Formula15H24O—
Molecular Weight220.35g/mol

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