Product Description:
N,N-Dimethylbenzylamine, CAS 103-83-3, is a tertiary amine that appears as a clear, colorless to pale yellow liquid with a characteristic amine or fish-like odor. It is widely recognized for its role as a catalyst in various chemical reactions, particularly in the production of polyurethane foams and epoxy resins. Its structure, featuring a benzyl group and two methyl groups attached to a nitrogen atom, contributes to its catalytic activity and utility as a versatile chemical intermediate.
Product Properties:
Property Value CAS Number 103-83-3 Molecular Formula C9H13N Molecular Weight 135.21 g/mol Appearance Clear, colorless to pale yellow liquid Odor Amine-like, fishy Boiling Point Approximately 180-184 °C (356-363 °F) Density Approximately 0.89 – 0.91 g/cm³ at 20 °C Solubility Slightly soluble in water; soluble in most organic solvents (e.g., ethanol, ether, acetone) Flash Point Approximately 57 °C (135 °F) – Closed Cup Purity Typically ≥99% (may vary by supplier specification) Synonyms Benzyldimethylamine, N-Benzyldimethylamine, Dimethylbenzylamine Product Usage:
N,N-Dimethylbenzylamine is primarily used as a catalyst in the polyurethane industry for the production of both rigid and flexible foams. It also serves as an effective curing agent for epoxy resins, contributing to the formation of strong, durable thermoset plastics. Beyond these major applications, it finds use as an intermediate in the synthesis of other chemicals, including quaternary ammonium compounds which are used as phase transfer catalysts or biocides. For example, it accelerates the reaction between isocyanates and polyols in foam manufacturing, and promotes cross-linking in epoxy systems.
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