Overview
Cyclohexylamine (CAS 108-91-8 ), commonly abbreviated as CHA, is a primary aliphatic amine used across industrial and specialty chemical manufacturing. It functions as a corrosion inhibitor, pH buffer, and reactive intermediate.
In boiler water and steam condensate systems, CHA neutralizes acidic condensate and forms a protective film on metal surfaces. This reduces corrosion-related downtime in industrial utilities and steam distribution networks.
Rubber and tire manufacturers use it as a precursor to sulfenamide accelerators, which control vulcanization rates. These accelerators are essential for tire compounds and various industrial rubber goods production.
In agrochemical production, CHA serves as a building block for herbicide and pesticide active ingredients. This includes cyclohexylamine salt formulations of glyphosate used in modern agricultural applications.
Pharmaceutical manufacturers rely on it as an intermediate in the synthesis of active pharmaceutical ingredients. It is also frequently utilized as a counterion in drug salt formation processes.
Cyclohexylamine is supplied as a colorless to pale yellow liquid in standard bulk and intermediate packaging. Options include drums and ISO tank containers to suit different logistics and storage needs.
Technical grade and high-purity grades are available, with specifications aligned to industrial synthesis requirements. Buyers sourcing for regulated applications typically require documentation such as GMP compliance.
A certificate of analysis with purity confirmation is provided to ensure the material meets strict quality standards. This ensures reliability for both large-scale industrial use and specialized chemical synthesis.
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Physical Properties
| Melting Point | -17.7 °C |
| Boiling Point | 134.5 °C @ Press: 760 Torr |
| Density | 0.8647 g/cm³ @ Temp: 25 °C |
| Flash Point | 90 °F |
| Appearance | Cyclohexylamine is a colorless to yellow liquid (amines, primary aromatic). It has an unpleasant fishy odor. |
| Color | Clear |
| Odor | strong fishy odor |
| Form | Liquid |
| Water Solubility | MISCIBLE |
| Vapor Pressure | 10 mm Hg ( 22 °C) |
| Refractive Index | n 20/D 1.459(lit.) |
| pH | 11.5 (100g/l, H2O, 20℃) |
| Log P | 3.7 at 25℃ |
Safety & Handling
Danger GHS02 GHS05 GHS07 GHS08 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 H335 May cause respiratory irritation H336 May cause drowsiness or dizziness H340 May cause genetic defects H361 Suspected of damaging fertility or the unborn child H370 Causes damage to organs H372 Causes damage to organs through prolonged or repeated exposure H373 May causes damage to organs through prolonged or repeated exposure H402 Harmful to aquatic life H412 Harmful to aquatic life with long lasting effects Precautionary Statements P203 Obtain, consult and follow expert instructions for use. 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. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. 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. P308+P316 Get emergency medical help immediately. 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 | 29213000 |
| UN Number | 2357 |
| ADR Class | 8 |
| Packing Group | II |
| Storage Class | 3 - Flammable liquids |
| WGK (Germany) | 1 |
Other Names
Related Products
Chemical Properties
- CAS Number
- 108-91-8
- EC Number
- 203-629-0
- Mol. Weight
- 99.17
- HS Code
- 29213000
- Category
- Monomers & Building Blocks