11-Aminoundecanoic acid（CAS#2432-99-7）
| Hazard Symbols | Xn – Harmful |
| Risk Codes | 52 – Harmful to aquatic organisms |
| Safety Description | 24/25 – Avoid contact with skin and eyes. |
| WGK Germany | 1 |
| RTECS | YQ2293000 |
| HS Code | 29224995 |
| Toxicity | LDLo orl-rat: 14,700 mg/kg NTPTR* NTP-TR-216,82 |
Introduction
11-aminoundecanoic acid. The following is an introduction to the properties, uses, preparation methods and safety information of 11-aminoundecanoic acid:
Quality:
1. Appearance: white crystalline solid.
2. Relative molecular weight: 215.34g/mol.
4. Solubility: low solubility in water, soluble in organic solvents such as alcohols, ethers and ketones solutions.
5. Acidity and alkalinity: With amino and carboxyl groups, it can exhibit acidic and alkaline properties, and can form salts.
Use:
1. Surfactant: 11-aminoundecanoic acid can be used as a cationic surfactant. Its molecular structure contains hydrophobic and hydrophilic groups, and has good interfacial activity.
2. Heat-resistant resin: 11-aminoundecanoic acid can be reacted with polyamide, epoxy resin, etc. to prepare heat-resistant polymer materials, which are widely used in coatings, adhesives and sealants.
3. Fluorescent dyes: 11-aminoundecanoic acid can be used as a precursor of fluorescent dyes and plays an important role in dye synthesis.
Method:
11-Aminoundecanoic acid can be prepared by the reaction of undecanoic acid (CH3(CH2)9COOH) with ammonia (NH3). The reaction conditions are generally carried out at higher temperatures, and a catalyst is required to accelerate the formation of reaction products.
Safety Information:
1. 11-Aminoundecanoic acid generally does not cause significant dangerous or toxic effects under normal conditions of use.
2. During operation, direct contact with the skin and eyes should be avoided, and inhalation of their dust should be avoided.
3. If you accidentally come into contact with 11-aminoundecanoic acid, you should immediately rinse with plenty of water and seek medical attention for treatment.
In summary, 11-aminoundecanoic acid is a compound with surface activity and heat resistance, which is widely used in the fields of surfactants, heat-resistant resins and fluorescent dyes. When using, it is necessary to comply with the corresponding safety operation procedures to ensure personal safety and environmental safety.
