N,n-dimethylbenzylamine

CAS: 103-83-3

Overview

N,N-Dimethylbenzylamine (CAS 103-83-3 ), commonly known as BDMA, is a tertiary amine used primarily as a catalyst and curing accelerator in industrial chemical processes. It functions as a reactive intermediate and process accelerator across polymer, coatings, and specialty chemical manufacturing.

In epoxy resin systems, BDMA acts as a curing accelerator and hardener catalyst, shortening cure cycles in adhesives, coatings, and composite manufacturing. Formulators in polyurethane production use it to catalyze foam formation and control reaction rates.

In flavor and fragrance applications, it serves as a chemical intermediate for synthesizing quaternary ammonium compounds and other nitrogen-based actives used in preservation and biocidal formulations. It is a versatile component for many industrial sectors.

Biotechnology and life sciences manufacturers also source BDMA as a synthesis building block for producing specialty reagents and active pharmaceutical intermediates. Its chemical structure allows for precise control in complex organic synthesis pathways.

N,N-Dimethylbenzylamine is supplied as a clear to pale yellow liquid in standard drum and IBC packaging suited for industrial volumes. Technical grade is the predominant commercial specification for most large-scale manufacturing needs.

Purity levels are typically at 99% or higher for catalyst-grade applications. Buyers requiring tighter specifications for pharmaceutical intermediate use should confirm supplier documentation against relevant compendial or internal quality standards.

The material is handled according to strict safety protocols to ensure stability and performance in sensitive chemical reactions. Proper storage and logistics are essential for maintaining the integrity of this high-purity tertiary amine.

Physical Properties

Melting Point	-75 °C
Boiling Point	180 °C
Density	0.9 g/cm³
Flash Point	130 °F
Appearance	colourless to light yellow liquid with an amine odour
Color	Clear colorless to light yellow
Odor	strong fish odor
Form	Liquid
Water Solubility	8 g/L (20 ºC)
Vapor Pressure	2.4 hPa (20 °C)
Refractive Index	n 20/D 1.501(lit.)
pH	10 (10g/l, H2O, 20℃)(saturated solution)
Log P	1.98 at 25℃

Safety & Handling

Danger GHS02 GHS05 GHS07 GHS06 Hazard Statements H226 Flammable liquid and vapor H301 Toxic if swallowed H302 Harmful if swallowed H311 Toxic in contact with skin H312 Harmful in contact with skin H314 Causes severe skin burns and eye damage H318 Causes serious eye damage H331 Toxic if inhaled H332 Harmful if inhaled H412 Harmful to aquatic life with long lasting effects Precautionary Statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P262 Do not get in eyes, on skin, or on clothing. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P316 Get emergency medical help immediately. P317 Get emergency medical help. P321 Specific treatment (see … on this label). P330 Rinse mouth. P363 Wash contaminated clothing before reuse. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P316 Get emergency medical help immediately. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P301+P330+P331 Rinse mouth. Do NOT induce vomiting. P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code	29214980
UN Number	2619
ADR Class	8
Packing Group	II
Storage Class	3 - Flammable liquids
WGK (Germany)	2

Other Names

Industries

Food & Nutrition Personal Care & Cosmetics Biotechnology & Life Sciences Plastics & Polymers