Overview
Octadecylamine (CAS 124-30-1 ), also known as stearamine, is a long-chain primary amine derived from stearic acid. It functions as a surface-active agent and chemical intermediate.
This versatile compound serves as a corrosion inhibitor and chemical intermediate across a broad range of industrial manufacturing processes. It is essential for various high-performance applications.
In metalworking and lubricant formulations, it acts as a corrosion inhibitor and boundary lubricant additive. It forms a protective monolayer on metal surfaces to prevent oxidation and wear.
Textile and paper manufacturers use it as a softening and antistatic agent. This improves the handle of materials and significantly reduces static buildup in finished consumer and industrial goods.
In plastics processing, it functions as an internal lubricant and slip agent. It effectively reduces friction between polymer surfaces during complex extrusion and film production cycles.
Personal care formulators incorporate it into conditioning products and emulsions. It contributes to surface adhesion and emulsification performance in high-quality cosmetic formulations.
The product is supplied as a white to off-white waxy solid, typically in flake or pastille form. Technical grade is the most common offering, with purity levels ranging from 90% to 99%.
Specifications vary by supplier, and buyers should confirm amine value and purity profile. Ensure the material meets your specific application requirements before beginning large-scale production.
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Physical Properties
| Melting Point | 52.9 °C |
| Boiling Point | 346.8 °C @ Press: 760 Torr |
| Density | 0.8618 g/cm³ @ Temp: 20 °C |
| Flash Point | 300 °F |
| Appearance | White prills |
| Color | White |
| Form | Prills |
| Water Solubility | practically insoluble |
| Vapor Pressure | 10 mm Hg ( 72 °C) |
| Refractive Index | 1.4522 |
| Log P | 4.33 at 25℃ |
Safety & Handling
Danger GHS05 GHS08 GHS09 GHS07 Hazard Statements H302 Harmful if swallowed H304 May be fatal if swallowed and enters airways H314 Causes severe skin burns and eye damage H315 Causes skin irritation H318 Causes serious eye damage H319 Causes serious eye irritation H336 May cause drowsiness or dizziness 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. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 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. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P331 Do NOT induce vomiting. 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. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. 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+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 | 29211980 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 2 |
Other Names
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Chemical Properties
- CAS Number
- 124-30-1
- EC Number
- 204-695-3
- Mol. Weight
- 269.5
- HS Code
- 29211980
- Category
- Amines