2-[[(Butylamino)carbonyl]oxy]ethyl acrylate (CAS 63225-53-6) is a monofunctional urethane acrylate. A carbamate (urethane) linkage sits between a polymerisable acrylic ester and an N-butyl substituent, so the formulator obtains the hydrogen bonding, toughness and adhesion associated with polyurethane segments without introducing isocyanate raw materials into the plant or leaving residual isocyanate in the cured article. Commercial material is a clear, low-viscosity liquid supplied inhibited, typically with MEHQ or hydroquinone, and stabilised against premature polymerisation through dissolved oxygen rather than inert gas.
Demand is anchored in radiation-cure chemistry: industrial wood, plastic and metal coatings, printing inks and overprint varnishes, pressure-sensitive and laminating adhesives, and photopolymer resins for additive manufacturing. Growth is driven by the substitution of solvent-borne systems with energy-curing formulations that cut volatile organic compound emissions and line energy, and by the search for monomers that deliver elongation and impact resistance without the brittleness of highly crosslinked short-chain acrylates.
The commercial risk profile is dominated by three factors: acrylate skin sensitisation under CLP, inhibitor depletion and the associated self-accelerating polymerisation hazard during storage and transit, and monomer-specification control over acid value, colour and residual isocyanate. This paper sets out the chemistry, route classes, application matrix, supply structure, compliance obligations, ESG expectations, logistics controls and sourcing strategy relevant to CAS 63225-53-6 in 2026.
The acrylate double bond polymerises by free-radical chain growth, initiated by photoinitiator-derived radicals under ultraviolet or LED irradiation, or by thermal or redox initiators in non-radiation systems. Because the molecule carries a single polymerisable group, it acts as a reactive diluent and flexibilising monomer: it lowers formulation viscosity, then copolymerises into the network rather than remaining as a leachable plasticiser. The carbamate N-H is the differentiator. It donates a hydrogen bond that raises intermolecular cohesion in the cured film, improving adhesion to polar substrates and metal, toughness and abrasion resistance, while the n-butyl tail adds aliphatic flexibility and lowers the glass transition relative to aromatic analogues.
Two route families are used industrially. The first is direct carbamate formation by addition of 2-hydroxyethyl acrylate to n-butyl isocyanate, which is clean and high-yielding but introduces an isocyanate raw material and the need to drive residual isocyanate to very low levels. The second is a non-isocyanate carbamate route, in which a chloroformate or carbonate intermediate is built from the hydroxyalkyl acrylate and then reacted with n-butylamine, or in which a preformed carbamate is transesterified. The second family is increasingly specified where customers demand documented isocyanate-free supply chains.
Three structural drivers support the category. Volatile organic compound regulation continues to push converters from solvent-borne to energy-curing systems; ultraviolet LED curing has widened the substrate range into heat-sensitive plastics and electronics; and additive manufacturing has created a new, specification-driven buyer class that values resin consistency over price. Against these, formulators face sustained pressure on acrylate sensitisation labelling, which is driving interest in higher-molecular-weight and lower-volatility monomers.
Acrylate ester capacity is concentrated in integrated petrochemical sites with acrylic acid and ethylene oxide or hydroxyalkyl acrylate feedstock, with large plants in China, the United States, Western Europe, Japan, Korea and Saudi Arabia. Specialty urethane acrylate monomers are frequently finished in smaller dedicated or multi-purpose reactors downstream of that base, because they require inhibited distillation and tight monomer specification. Export flows run from Asian and Gulf producers to European, North American and Indian formulators, in isotanks, drums and intermediate bulk containers.
Pricing follows acrylic acid and hydroxyalkyl acrylate feedstock, propylene and energy costs, but the specialty monomer trades at a significant premium because the customer is buying inhibition control, colour stability and documentation. A clear bifurcation exists between technical-grade reactive diluent sold into commodity coatings and documented, low-colour, low-acid, isocyanate-free grades sold into regulated or high-specification applications. Buyers should treat freight and temperature control as part of the landed cost, since an inhibitor-depleted shipment is a total loss.
Compliance for this monomer operates on two levels. As a chemical substance it must be registered, classified and labelled; as a raw material for articles it must also satisfy the sector rules of the customer, particularly food-contact and printing-ink frameworks. Note that pharmaceutical purity conventions such as ICH Q3D or USP monographs are not applicable here: this is an industrial monomer, and its specification is a monomer specification.
ESG pressure on this monomer comes from both directions: customers want the downstream volatile organic compound and energy benefit of radiation cure, and they increasingly want the monomer itself made without isocyanate raw materials and with credible emissions data.
The dominant environmental argument for radiation-cure systems is use-phase: curing at ambient temperature with ultraviolet or electron-beam energy displaces thermal ovens and solvent abatement, cutting energy demand and volatile organic compound emissions per square metre coated. Suppliers are increasingly asked to quantify that benefit with cradle-to-gate and cradle-to-grave data, including Scope 1, 2 and 3 figures, and to report solvent-free synthesis, distillation energy and waste streams. Circularity remains constrained: a crosslinked acrylic network is not readily depolymerised, so the realistic route is mechanical recycling of coated substrates and design for durability.
Traceability questions concentrate on feedstock origin and process route. Buyers should require a declaration of whether an isocyanate raw material was used, confirmation of inhibitor identity and level, and documentation of acrylic acid and hydroxyalkyl acrylate sourcing, including bio-based or mass-balance content where claimed. ISO 9001 and ISO 14001 certification, Responsible Care or equivalent programmes, and auditability of the inhibited distillation step are the practical evidence customers request, and chain-of-custody documents should name the manufacturing site so that a plant change triggers requalification.
This molecule is a stabilised but thermally sensitive monomer, so logistics are governed by inhibitor chemistry, temperature history and contamination control rather than by volume.
Classification must be determined from measured data for the specific inhibited grade: many acrylate monomers are transported as non-regulated liquids, but environmentally hazardous or self-reactive classification is possible, and Section 14 of the safety data sheet plus a dangerous goods safety adviser determination should govern every booking. Where a UN number applies, road movements follow ADR, sea movements the IMDG Code and air movements the IATA Dangerous Goods Regulations, with marine pollutant assessment relevant to sea freight. Insurance and contracting should address heat exposure explicitly, because runaway polymerisation in transit converts a sale into a hazardous waste disposal problem.
Winning in this monomer is about application support and stability assurance rather than about price per kilogram. Three priorities follow.
CAS 63225-53-6 occupies a useful industrial position: it delivers polyurethane-like cohesion and adhesion to radiation-cure formulations while letting downstream users avoid isocyanate handling. That value is realised only when inhibition, temperature history and monomer specification are controlled, because the same acrylic double bond that makes the product useful also makes it unstable if mismanaged.
For 2026 the practical programme is clear: confirm registration and listing status directly, qualify on cure performance and inhibitor stability rather than nominal purity, keep air headspace and temperature control through the whole logistics chain, and supply the sector dossier that regulated converters need. Suppliers who do this convert a reactive diluent into a specification-protected specialty position.
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This white paper is exclusively compiled by the Guidechem Intelligence Team based on global customs data, regulatory databases, and industry research. Guidechem is a leading global B2B chemical platform, dedicated to connecting global buyers with verified, high-quality manufacturers.
Relying on Guidechem's extensive global database, we have mapped the core participants in the current global 2-[[(BUTYLAMINO)CARBONYL]OXY]ETHYL ACRYLATE supply chain:
Disclaimer: The content of this white paper is compiled based on public market data and regulatory information available as of 2026. Global chemical regulations are subject to dynamic adjustments. In actual export operations, enterprises must consult professional regulatory advisors or relevant competent authorities to obtain the latest compliance guidance.
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