Overview
N,N-Dimethylcyclohexylamine (CAS 98-94-2 ), commonly abbreviated as DMCHA, is a tertiary amine used primarily as a catalyst and neutralizing agent across chemical manufacturing. It drives reaction efficiency in polyurethane systems and acts as an intermediate in the synthesis of pharmaceuticals.
In polyurethane foam production, DMCHA functions as a blowing and gelling catalyst, controlling cell structure and cure rate in rigid and flexible foam formulations. Pharmaceutical manufacturers use it as a synthetic intermediate in active ingredient production.
In these applications, controlled basicity supports specific reaction pathways. In water treatment and corrosion inhibition formulations, it contributes to pH adjustment and acts as a precursor to biocidal compounds.
Pigment and dye manufacturers also employ DMCHA as a neutralizing agent to stabilize colorant dispersions and improve batch consistency. This versatility makes it a staple in specialty chemical manufacturing and industrial processing.
DMCHA is supplied as a liquid in standard bulk packaging, including drums and IBC containers, with tanker quantities available for high-volume procurement. Technical grade is the most common commercial specification for this product.
Purity levels are typically at 99% or above for standard industrial use. Buyers sourcing for pharmaceutical intermediate applications should confirm compliance with relevant synthesis-grade quality standards prior to procurement.
The material is handled according to strict safety protocols due to its chemical properties. Reliable supply chains ensure that the product meets the necessary technical requirements for diverse global manufacturing sectors.
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Physical Properties
| Melting Point | -60 °C |
| Boiling Point | 162-165 °C |
| Density | 0.8490 g/cm³ @ Temp: 20 °C |
| Flash Point | 108 °F |
| Appearance | CLEAR LIQUID |
| Color | Clear |
| Form | Liquid |
| Water Solubility | 10 g/L (20 ºC) |
| Vapor Pressure | 3.6 mm Hg ( 20 °C) |
| Refractive Index | n 20/D 1.454(lit.) |
| pH | 12 (5g/l, H2O, 20℃) |
| Log P | 2.31 at 25℃ |
Safety & Handling
Danger GHS02 GHS05 GHS06 GHS07 GHS09 GHS08 Hazard Statements H226 Flammable liquid and vapor H301 Toxic if swallowed H302 Harmful if swallowed H311 Toxic in contact with skin H314 Causes severe skin burns and eye damage H318 Causes serious eye damage H330 Fatal if inhaled H331 Toxic if inhaled H335 May cause respiratory irritation H370 Causes damage to organs H400 Very toxic to aquatic life H401 Toxic to aquatic life H411 Toxic to aquatic life with long lasting effects H412 Harmful to aquatic life with long lasting effects H301+H311+H331 Toxic if swallowed, in contact with skin or if inhaled 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. P284 In case of inadequate ventilation wear respiratory protection. P316 Get emergency medical help immediately. P317 Get emergency medical help. P319 Get medical advice/attention if you feel unwell. P320 Specific treatment is urgent (see … on this label). P321 Specific treatment (see … on this label). P330 Rinse mouth. P363 Wash contaminated clothing before reuse. 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. 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. P308+P316 Get emergency medical help immediately. P361+P364 Take off immediately all 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 | 29213010 |
| UN Number | 2264 |
| ADR Class | 8 |
| Packing Group | II |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 98-94-2
- EC Number
- 202-715-5
- Mol. Weight
- 127.23
- HS Code
- 29213010
- Category
- Pigments & Colorants