Overview
Laurylamine dipropylenediamine (CAS 2372-82-9 ), also known commercially as N,N-bis(3-aminopropyl)dodecylamine, is a long-chain fatty diamine used across industrial and personal care markets.
Its combination of a C12 hydrophobic tail and multiple amine groups positions it as a functional ingredient for emulsification, biocidal activity, and corrosion control in various applications.
In water treatment, it acts as a biocide and corrosion inhibitor, protecting metal surfaces in cooling towers and industrial water systems. Personal care formulators incorporate it into conditioning systems.
It improves wet combability and substantivity in rinse-off hair products. Textile and leather processors use it as a softening and finishing agent, helping fibers retain flexibility and resist microbial degradation.
In industrial cleaning formulations, its dual amine functionality supports degreasing performance on metal and hard surfaces where both surfactancy and antimicrobial action are required for effective results.
Laurylamine dipropylenediamine is typically supplied as an amber to yellow liquid. Technical grade is the standard commercial offering, with purity specifications commonly in the 95–99% range.
Drum and IBC packaging are standard for industrial volumes. This chemical intermediate is valued for its stability and versatility across diverse manufacturing sectors and specialized chemical processes.
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Physical Properties
| Boiling Point | 110-111 °C |
| Density | 0.880 |
| Appearance | Liquid |
| Color | Colourless |
| Form | Oil |
| Water Solubility | 190g/L at 20℃ |
| Vapor Pressure | 0Pa at 25℃ |
| Log P | 0.34 at 20℃ |
Safety & Handling
Danger GHS05 GHS06 GHS08 GHS09 Hazard Statements H301 Toxic if swallowed H314 Causes severe skin burns and eye damage H318 Causes serious eye damage H373 May causes damage to organs through prolonged or repeated exposure H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects Precautionary Statements P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. 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. 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. 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. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. 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. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Other Names
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Chemical Properties
- CAS Number
- 2372-82-9
- EC Number
- 219-145-8
- Mol. Weight
- 299.5
- Category
- Amines