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BNX 2246 (119-47-1)is a hindered phenolic antioxidant and thermal stabilizer providing effective stabilization in adhesives, ABS, polyolefins, and other substrates.

Functions: Antioxidant, Heat Stabilizer

Compatible Polymers & Resins: Acrylonitrile Butadiene Styrene (ABS), Ethylene Vinyl Acetate (EVA), Polyethylenes (PE), Polypropylenes (PP)

Features: Low Volatility

Synonyms: 2-tert-Butyl-6-[(3-tert-butyl-2-hydroxy-5-methylphenyl)methyl]-4-methylphenol, 2,2-Methylene bis(4-methyl-6-tert-butyl-phenol), 2,2′-Bis(4-methyl-6-tert-butylphenol)methane, 2,2′-Methylenebis(4-methyl-6-tert-butylphenol), 2,2′-Methylenebis(6-tert-butyl-4-methylphenol), 2,2′-Methylenebis(6-tert-butyl-p-cresol), 2,2′-Methylenebis[4-methyl-6-t-butylphenol], 2,2′-Methylenebis[4-methyl-6-tert-butylphenol], 2,2′-Methylenebis[6-(1,1-dimethylethyl)-4-methylphenol], 2,2′-Methylenebis[6-tert-butyl-p-cresol], 2,2′-Methylidenebis(6-tert-butyl-4-methylphenol), 3,3′-Di-tert-butyl-2,2′-dihydroxy-5,5′-dimethyldiphenylmethane, 6,6-Methylenebis(2-tert-butyl-4-methylphenol), 6,6′-Di-tert-butyl-4,4′-dimethyl-2,2′-methylenediphenol, 6,6′-Methylenebis(2-tert-butyl-4-methylphenol), Bis(2-hydroxy-3-tert-butyl-5-methylphenyl)methane, Bis(2-hydroxy-5-methyl-3-tert-butylphenyl)methane, Bis(3-tert-butyl-2-hydroxy-5-methylphenyl)methane, Bis(5-methyl-3-tert-butyl-2-hydroxyphenyl)methane, Bis(6-hydroxy-3-methyl-5-tert-butylphenyl)methane

Technical Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

Plastics & Elastomers Functions
CAS No.
119-47-1
EC No.
204-327-1

Features & Benefits

Materials Features
Advantages
  • Low volatility 
  • Compatible with a wide variety of systems 
  • Low migration effects 
  • FDA cleared for use in adhesives, rubber articles, polyolefins, and polyacetals

Applications & Uses

Use Level
0.05 to 0.5%
Applications

BNX 2246 is an excellent, non-discoloring, non-staining antioxidant and thermal stabilizer. Typical applications include hot-melt adhesives, natural rubber adhesives, ABS, EVA, polyolefins (polypropylene, polyethylene, EVA), polyacetal homo- and copolymers, and elastomers. BNX 2246 also functions as an oxidation inhibitor for fats, oils and paraffin wax.

Guidelines for Use

Recommended concentrations for use in plastics and adhesives range from 0.05 to 0.5%. Combinations of BNX 2246 with other antioxidants such as phosphites and thioethers often show synergistic performance. BNX 2246 is also suitable for use in combination with light stabilizers, including hindered amine light stabilizers (HALS), UV absorbers, and benzoates. The exact formulation to be used is dependent on the substrate, performance requirements, and other factors, and should be determined by the user based on testing to simulate actual conditions of use

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Melting Range120 - 132°C
Molecular Weight340.5g/mol

Regulatory & Compliance

FDA Regulations

BNX 2246 is cleared for use in adhesives under 21 CFR §175.105, rubber articles intended for repeat use under 21 CFR §177.2600, and in olefin polymers and polyoxymethylene homo- and copolymers under 21 CFR §178.2010. Please contact your Mayzo representative for complete details, including restrictions of use.

Packaging & Availability

Regional Availability
  • Asia Pacific
  • North America

Storage & Handling

Shelf Life
24 Months
Storage

This product may be stored up to two years in a sealed container. Containers should be kept tightly closed when not in use and stored in a cool, dry place.