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Chemical product profile

HONGKUN / PRODUCT DIRECTORY

2-Octyl cyanoacrylate | CAS 133978-15-1

A branched cyanoacrylate monomer used in adhesive formulations, requiring control of stabilization, moisture and prepolymer content before formulation qualification.

CAS133978-15-1
Molecular formulaC12H19NO2
Molecular weight209.28 g/mol

Product overview

2-Octyl cyanoacrylate carries a nitrile group and an ester next to its reactive double bond. The alcohol-derived group is octan-2-yl, distinguishing it from straight-chain n-octyl cyanoacrylate. Its procurement specification should describe the stabilized monomer and the basis of any viscosity measurement. Water exposure, inhibitor composition and polymeric material can change the practical behavior of this reactive feedstock.

Chemical identity

Chemical name
2-Octyl cyanoacrylate
CAS number
133978-15-1
Molecular formula
C12H19NO2
Molecular weight
209.28 g/mol

Application context

2-Octyl cyanoacrylate occurs in commercial adhesive formulations, including documented tissue-adhesive products. At the raw-material stage it is selected for incorporation into a complete formulation whose stabilization, packaging and intended use are qualified together. A finished medical adhesive has additional formulation, manufacturing and product-specific requirements. For development work, compare proposed lots by monomer assay, stabilizer composition and viscosity under agreed measurement conditions.

Chemistry and synthetic role

The cyanoacrylate double bond supports rapid polymerization under suitable initiation conditions. The ester substituent is a branched secondary octyl group.

Quality review

Stabilizer composition

Agree inhibitor identity and concentration rather than relying only on nominal monomer purity.

Premature polymerization

Review viscosity, nonvolatile or polymeric content and the conditions used to measure them.

Moisture control

Define a suitable water test and moisture-protective closure requirements for the selected grade.

Preparing a specification

Specify 2-octyl identity, monomer assay, inhibitor package, water criterion and viscosity method; identify any formulation-specific qualification needs.

Packaging and storage

Confirm container compatibility, closure and net weight for the selected grade and destination. Follow the actual supplier SDS and batch label for storage and transport.

Documentation

Request the batch COA, SDS and analytical methods covering the agreed purchasing specification. Confirm which supporting chromatograms and application-specific records are available from the selected manufacturer.

Procurement questions

Is this the same as n-octyl cyanoacrylate?

No. The octan-2-yl ester has a different alcohol-derived structure.

Can bulk monomer be treated as a finished tissue adhesive?

No. The finished formulation requires its own manufacturing and product qualification.

Why request viscosity conditions?

Temperature and existing polymeric material can affect the reported value.

Technical sources
  1. PubChem CAS identity lookupNCBI / PubChem
  2. SOOTHE-N-SEAL 510(k) summaryFDA / manufacturer submission