SoleChem

Dimethylamine borane

CAS
74-94-2
EC
200-823-7
Mol. Weight
55.90 g/mol

Description

Dimethylamine borane (CAS 74-94-2), commonly abbreviated as DMAB, is a stable borane complex used industrially as a selective reducing agent and electroless plating initiator.

Its controlled reactivity makes it a preferred alternative to sodium borohydride in processes requiring milder, more manageable reduction conditions for industrial chemical synthesis.

In electroless nickel and cobalt plating, DMAB functions as the reducing agent that drives metal deposition onto non-conductive substrates, including plastics and printed circuit boards.

The electronics industry relies on it for metallization steps where precise deposit quality and bath stability are critical procurement considerations for high-end manufacturing.

Pharmaceutical and fine chemical manufacturers use DMAB for reductive amination and selective carbonyl reduction where sodium borohydride would be too aggressive for the solvent system.

It also appears in specialty polymer and adhesive formulations as a curing initiator. DMAB is supplied as a white crystalline solid, typically in powder or granule form.

Material is packaged under inert conditions to preserve stability during storage and transit. Technical grade is the standard commercial offering for most industrial applications.

High-purity grades are available for pharmaceutical synthesis and electronics. Bulk quantities are available in multi-kilogram drums for laboratory and development-scale procurement.

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Physical Properties

Melting Point 37 °C
Boiling Point 63 °C @ Press: 1 Torr
Density 0,69 g/cm 3
Flash Point 110 °F
Appearance white crystalline powder with an amine odour
Color White to yellow
Form Flakes or Granules
Water Solubility 125 g/L (20 ºC)
Vapor Pressure <5 hPa (20 °C)
pH 8-9 (10g/l, H2O, 20℃)

Safety & Handling (Learn More)

Danger GHS02 GHS05 GHS06 GHS07 GHS09
Hazard Statements
H228 Flammable solid
H301 Toxic if swallowed
H311 Toxic in contact with skin
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H319 Causes serious eye irritation
H331 Toxic if inhaled
H332 Harmful if inhaled
H411 Toxic to aquatic life with long lasting effects
H412 Harmful to aquatic life with long lasting effects
H301+H311 Toxic if swallowed or in contact with skin
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment.
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.
P272 Contaminated work clothing should not be allowed out of the workplace.
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.
P391 Collect spillage.
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.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P333+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
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.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
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 29420000
UN Number 2926
ADR Class 4.1
Packing Group II
WGK (Germany) 2

Documentation

Other Names

Borane-dimethylamine complex|DMAB|Dimethylamine borane (1:1)|BKK4RT45YA|Boron, trihydro(N-methylmethanamine)-, (T-4)-|Dimethylamine compound with borane (1:1)|Dimethylamine, compd. with borane (1:1)|Methanamine, N-methyl-, compd. with borane (1:1)

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