TMAIC: Trimethallyl Isocyanurate (6291-95-8) — Specialty Co-Agent for Rubber and Elastomers, Specialty Polymers

August 12, 2026 4 min read

Multi-functional crosslinking monomer for radiation and peroxide curing of specialty fluoropolymers, silicone rubber, and high-performance elastomers requiring exceptional thermal and chemical resistance. White powder/liquid with purity >=97.0%.

Quick Facts

Trade Name TMAIC
Chemical Name Trimethallyl Isocyanurate
CAS Number 6291-95-8
Chemical Family Allyl Crosslinker
Brand Dosender
Function Category Specialty Co-Agent
Product Line Polymer Agents – Allyl Crosslinkers
Applications Fluoropolymer Curing, Silicone Rubber, Radiation Curing, High-Performance Elastomers
Market Segment Rubber and Elastomers, Specialty Polymers
Physical Form Powder
Decomposition Temperature
Active Oxygen Content
Molecular Weight 291.35

What Is Trimethallyl Isocyanurate?

Trimethallyl Isocyanurate is a allyl crosslinker supplied under the Dosender brand as part of the
Polymer Agents – Allyl Crosslinkers portfolio. Multi-functional crosslinking monomer for radiation and peroxide curing of specialty fluoropolymers, silicone rubber, and high-performance elastomers requiring exceptional thermal and chemical resistance. White powder/liquid with purity >=97.0%. As a specialty co-agent,
it is engineered for demanding Rubber and Elastomers, Specialty Polymers applications where consistency and purity are critical.

Key Properties & Specifications

  • Chemical family: Allyl Crosslinker
  • CAS number: 6291-95-8
  • Physical form: Powder
  • Decomposition temperature:
  • Active oxygen content:
  • Molecular weight: 291.35

How It Works

Trimethallyl Isocyanurate is a polymer-processing additive used to control cure, vulcanization, molecular weight or surface properties of rubber and plastic systems. It is dosed at low levels to deliver reproducible processing performance in tire, elastomer and compound manufacturing.

Primary Applications

TMAIC is applied across Fluoropolymer Curing, Silicone Rubber, Radiation Curing, High-Performance Elastomers. Typical market segments include Rubber and Elastomers, Specialty Polymers.
Its performance profile makes it a trusted choice for formulators who need reproducible,
high-purity raw materials.

Safety, Handling & Storage

Handle TMAIC 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 Trimethallyl Isocyanurate 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 TMAIC 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 specialty co-agent supply.

Frequently Asked Questions

What is Trimethallyl Isocyanurate used for?

Trimethallyl Isocyanurate (trade name TMAIC) is used as a Specialty Co-Agent in Fluoropolymer Curing, Silicone Rubber, Radiation Curing, High-Performance Elastomers. It serves manufacturers in the Rubber and Elastomers, Specialty Polymers segments.

What is the CAS number of Trimethallyl Isocyanurate?

The CAS Registry Number of Trimethallyl Isocyanurate is 6291-95-8. The CAS number uniquely identifies the substance and is the standard reference used in safety data sheets, regulatory filings and procurement specifications.

Is Trimethallyl Isocyanurate classified as Allyl Crosslinker?

Yes. Trimethallyl Isocyanurate belongs to the Allyl Crosslinker chemical family and is marketed under the Dosender brand as part of the Polymer Agents – Allyl Crosslinkers product line.

How should TMAIC be stored and handled?

TMAIC 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 TMAIC?

TMAIC is supplied to producers in the Rubber and Elastomers, Specialty Polymers industries that require reliable, high-purity Specialty Co-Agent raw materials.

Related Products

Explore other allyl crosslinker and specialty co-agent products in our catalog, or contact
our team for formulation guidance.

References

  • CAS Registry Number: 6291-95-8 — Trimethallyl Isocyanurate
  • Do Sender Chem product data sheet: TMAIC

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