Perodox 16: Di(4-tert-butylcyclohexyl) peroxydicarbonate (15520-11-3) — Curing Agent for Thermoset Composites

August 12, 2026 3 min read

Low-temperature peroxyester for ambient-cure FRP systems. Pairs effectively with cobalt accelerators for room-temperature curing applications.

Quick Facts

Trade Name Perodox 16
Chemical Name Di(4-tert-butylcyclohexyl) peroxydicarbonate
CAS Number 15520-11-3
Chemical Family Ester Peroxide
Brand Perodox
Function Category Curing Agent
Product Line Organic Peroxides – Ester Peroxides
Applications FRP, Ambient Cure, UPR
Market Segment Thermoset Composites
Physical Form Liquid
Decomposition Temperature 45-60°C
Active Oxygen Content
Molecular Weight

What Is Di(4-tert-butylcyclohexyl) peroxydicarbonate?

Di(4-tert-butylcyclohexyl) peroxydicarbonate is a ester peroxide supplied under the Perodox brand as part of the
Organic Peroxides – Ester Peroxides portfolio. Low-temperature peroxyester for ambient-cure FRP systems. Pairs effectively with cobalt accelerators for room-temperature curing applications. As a curing agent,
it is engineered for demanding Thermoset Composites applications where consistency and purity are critical.

Key Properties & Specifications

  • Chemical family: Ester Peroxide
  • CAS number: 15520-11-3
  • Physical form: Liquid
  • Decomposition temperature: 45-60°C
  • Active oxygen content:
  • Molecular weight:

How It Works

As an organic peroxide, Di(4-tert-butylcyclohexyl) peroxydicarbonate decomposes by homolytic cleavage when heated near 45-60°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 16 is applied across FRP, Ambient Cure, UPR. Typical market segments include Thermoset Composites.
Its performance profile makes it a trusted choice for formulators who need reproducible,
high-purity raw materials.

Safety, Handling & Storage

Handle Perodox 16 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 Di(4-tert-butylcyclohexyl) peroxydicarbonate 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 16 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 curing agent supply.

Frequently Asked Questions

What is Di(4-tert-butylcyclohexyl) peroxydicarbonate used for?

Di(4-tert-butylcyclohexyl) peroxydicarbonate (trade name Perodox 16) is used as a Curing Agent in FRP, Ambient Cure, UPR. It serves manufacturers in the Thermoset Composites segments.

What is the CAS number of Di(4-tert-butylcyclohexyl) peroxydicarbonate?

The CAS Registry Number of Di(4-tert-butylcyclohexyl) peroxydicarbonate is 15520-11-3. The CAS number uniquely identifies the substance and is the standard reference used in safety data sheets, regulatory filings and procurement specifications.

Is Di(4-tert-butylcyclohexyl) peroxydicarbonate classified as Ester Peroxide?

Yes. Di(4-tert-butylcyclohexyl) peroxydicarbonate 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 16 be stored and handled?

Perodox 16 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 16?

Perodox 16 is supplied to producers in the Thermoset Composites industries that require reliable, high-purity Curing Agent raw materials.

Related Products

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

References

  • CAS Registry Number: 15520-11-3 — Di(4-tert-butylcyclohexyl) peroxydicarbonate
  • Do Sender Chem product data sheet: Perodox 16

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