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PEROXAN HX-Paste 45 SI

PEROXAN HX-Paste 45 SI is 2,5-Dimethyl-2,5-di-(tert-butylperoxy)-hexane 45%, Paste in silicone oil.PEROXAN HX-Paste 45 SI is used for the crosslinking of slicone rubber.

Brand: PEROXAN (176 products)

Chemical Name: 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane

CAS Number: 78-63-7

Functions: Curing Agent

Chemical Family: Peroxides

Compatible Polymers & Resins: Silicones

Synonyms: (1,1,4,4-Tetramethyltetramethylene)bis(tert-butyl peroxide), 1,1′-(1,1,4,4-Tetramethyl-1,4-butanediyl)bis[2-(1,1-dimethylethyl) peroxide], 2,5-Bis(tert-butyldioxy)-2,5-dimethylhexane, 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane, 2,5-Di-tert-butyl-2,5-dimethylhexyl peroxide, 2,5-Di(t-butylperoxy)-2,5-dimethylhexane, 2,5-Di(tert-butylperoxy)-2,5-dimethylhexane, 2,5-Dimethyl-2,5-bis(1,1-dimethylethylperoxy)hexane, 2,5-Dimethyl-2,5-bis(tert-butyldioxy)hexane, 2,5-Dimethyl-2,5-bis(tert-butylperoxide)hexane, 2,5-Dimethyl-2,5-bis(tert-butylperoxy)hexane, 2,5-Dimethyl-2,5-di(t-butylperoxy)hexane, 2,5-Dimethyl-di(tert-butyl)peroxyhexane, 2,5-Dimethylhexane-2,5-di-tert-butylperoxide, 2,5-Methyl-2,5-di(tert-butylperoxy)hexane

Technical Data SheetSafety Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Peroxides
Chemical Name
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
Plastics & Elastomers Functions
Curing Agent
CAS No.
78-63-7
EC No.
201-128-1
Technologies
Elastomers,
Plastics
Product Families
Elastomers — Elastomer Additives
Catalysts, Initiators & Crosslinkers
Plastics — Polymer Additives
Catalysts, Initiators & Crosslinkers

Features & Benefits

Materials Features
Scorch Resistant

Applications & Uses

Markets
Agriculture & Feed,
Building & Construction,
Industrial
Applications
Agriculture & Feed — Agricultural Films
Pipes & Hoses
Building & Construction — Building Materials
Pipes & Plumbing
Industrial — Chemical & Industrial Manufacturing
Equipment & Parts,
Other Industrial Applications
Compatible Polymers & Resins
Silicones
Plastics & Elastomers End Uses
Belts & Belt Repair,
Conveyor Parts,
Pump Parts
Recommended Applications

PEROXAN HX-Paste 45 SI is recommended for the crosslinking of silicone rubber. Rubber compounds containing PEROXAN HX-Paste 45 SI have excellent scorch safety. Safe processing temperature (t2): 135°C Typical crosslinking temperature (t90): 175°C The safe processing temperature t2 is defined as the temperature, at which the scorch time is longer than 20 minutes. The typical crosslinking temperature t90 is defined as the temperature at which 90% of the crosslinks in the compound are formed within about 12 minutes.

Properties

Physical Form
Paste
Appearance
Yellowish Paste
Typical Properties
ValueUnitsTest Method / Conditions
Active oxygen assayappx. 4.96%-
Density at 20°C0.94g/cm³-
Molecular Weight290.4--
Peroxide assayappx. 45%-

Regulatory & Compliance

Certifications & Compliance
BfR Recommendation,
FDA 21 CFR 177.2600

Technical Details & Test Data

Half Life Information
t ½ 10 h 1 h 1 min
bei118°C 147°C 171°C

 

Major Decomposition Products
  • Acetone
  • Ethane
  • Methane
  • tert Amyl-alcohol
  • tert-Butanol

Safety & Health

Safety Characteristics
#N/A
Safety Characteristics
Flash point >90°C
SADT 80°C

 

Packaging & Availability

Packaging Type
Pails
Packaging Information
  • 25kg pail

Storage & Handling

Shelf Life
6 Months
Product Handling and Storage
  • Maximum storage temperature (Ts max) : 40°C
  • Minimum storage temperature (Ts min) : 10°C
  • Storage stability as from date of delivery : 6 months
  • Organic Peroxides are more or less stable products but will decompose under the influence of heat. To minimize a loss of quality during storage, it is important that the recommended maximum storage temperature is not exceeded. If a minimum storage temperature is given, an undesirable process such as a solidification or phase separation, is known to occur below this temperature.
  • Please refer to the material safety data sheet (MSDS) for information concerning safe storage, use and handling of PEROXAN HX-Paste 45 SI.