Perodox 117: tert-Butyl peroxy-2-ethylhexyl carbonate (34443-12-4) — Polymerization Initiator for Polymer Production, Packaging

August 12, 2026 4 min read

Optimized peroxyester for polyolefin production in high-pressure processes. Excellent solubility in hydrocarbon solvents for consistent feeding.

Quick Facts

Trade Name Perodox 117
Chemical Name tert-Butyl peroxy-2-ethylhexyl carbonate
CAS Number 34443-12-4
Chemical Family Ester Peroxide
Brand Perodox
Function Category Polymerization Initiator
Product Line Organic Peroxides – Ester Peroxides
Applications LDPE, PP, High-Pressure Processes
Market Segment Polymer Production, Packaging
Physical Form Liquid
Decomposition Temperature 65-85°C
Active Oxygen Content
Molecular Weight

What Is tert-Butyl peroxy-2-ethylhexyl carbonate?

tert-Butyl peroxy-2-ethylhexyl carbonate is a ester peroxide supplied under the Perodox brand as part of the
Organic Peroxides – Ester Peroxides portfolio. Optimized peroxyester for polyolefin production in high-pressure processes. Excellent solubility in hydrocarbon solvents for consistent feeding. As a polymerization initiator,
it is engineered for demanding Polymer Production, Packaging applications where consistency and purity are critical.

Key Properties & Specifications

  • Chemical family: Ester Peroxide
  • CAS number: 34443-12-4
  • Physical form: Liquid
  • Decomposition temperature: 65-85°C
  • Active oxygen content:
  • Molecular weight:

How It Works

As an organic peroxide, tert-Butyl peroxy-2-ethylhexyl carbonate decomposes by homolytic cleavage when heated near 65-85°C, generating free radicals. These radicals initiate the polymerization or crosslinking of unsaturated monomers (such as styrene, acrylates, vinyls and unsaturated polyester resins), making it a core radical initiator for thermoset and polymer manufacturing.

Primary Applications

Perodox 117 is applied across LDPE, PP, High-Pressure Processes. Typical market segments include Polymer Production, Packaging.
Its performance profile makes it a trusted choice for formulators who need reproducible,
high-purity raw materials.

Safety, Handling & Storage

Handle Perodox 117 in accordance with its Safety Data Sheet (SDS). Store in original,
sealed packaging away from heat, ignition sources and incompatible materials, within the
recommended temperature range. Personal protective equipment and adequate ventilation are
required. Always consult the current SDS and applicable local regulations before use.

Regulatory & Compliance

Do Sender Chem supplies tert-Butyl peroxy-2-ethylhexyl carbonate with full documentation and supports compliance with
international chemical regulations (including REACH where applicable). For controlled
precursor grades, supply is managed under know-your-customer and licensing procedures.

Why Source Perodox 117 from Do Sender Chem?

Do Sender Chem is a global specialty chemical manufacturer offering a broad, multi-language
catalog, consistent quality and responsive technical support. With localized content in 20
languages and worldwide delivery, we help polymer, rubber and specialty producers secure
reliable polymerization initiator supply.

Frequently Asked Questions

What is tert-Butyl peroxy-2-ethylhexyl carbonate used for?

tert-Butyl peroxy-2-ethylhexyl carbonate (trade name Perodox 117) is used as a Polymerization Initiator in LDPE, PP, High-Pressure Processes. It serves manufacturers in the Polymer Production, Packaging segments.

What is the CAS number of tert-Butyl peroxy-2-ethylhexyl carbonate?

The CAS Registry Number of tert-Butyl peroxy-2-ethylhexyl carbonate is 34443-12-4. The CAS number uniquely identifies the substance and is the standard reference used in safety data sheets, regulatory filings and procurement specifications.

Is tert-Butyl peroxy-2-ethylhexyl carbonate classified as Ester Peroxide?

Yes. tert-Butyl peroxy-2-ethylhexyl carbonate belongs to the Ester Peroxide chemical family and is marketed under the Perodox brand as part of the Organic Peroxides – Ester Peroxides product line.

How should Perodox 117 be stored and handled?

Perodox 117 should be stored according to its safety data sheet, away from heat, ignition sources and incompatible materials, in original sealed packaging under the recommended temperature range. Always consult the current SDS and local regulations before handling.

Which industries buy Perodox 117?

Perodox 117 is supplied to producers in the Polymer Production, Packaging industries that require reliable, high-purity Polymerization Initiator raw materials.

Related Products

Explore other ester peroxide and polymerization initiator products in our catalog, or contact
our team for formulation guidance.

References

  • CAS Registry Number: 34443-12-4 — tert-Butyl peroxy-2-ethylhexyl carbonate
  • Do Sender Chem product data sheet: Perodox 117

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