Overview
2-Aminoethylphosphonic acid (CAS 2041-14-7 ), also known as ciliatine, is a naturally occurring phosphonic acid derivative used industrially as a chelating and sequestering agent.
It binds divalent and trivalent metal ions, allowing formulators to control trace metal activity in complex systems. In water treatment, it functions as a scale inhibitor and metal sequestrant.
This compound prevents calcium and magnesium deposits in industrial cooling and process water circuits. Agricultural formulations use it as a stabilizing additive to protect active ingredients.
It prevents metal-catalyzed degradation during storage and field application. Pharmaceutical and nutraceutical researchers source it as a reference compound or synthetic building block.
It is essential for phosphonate-containing active molecules. As a chelating agent in industrial cleaning and process chemistry, it helps prevent oxidative degradation triggered by free metal ions.
2-Aminoethylphosphonic acid is supplied as a white crystalline powder. Technical and research grades are the most commonly available, with purity specifications typically ranging from 97% to 99%+.
Packaging is available in small laboratory quantities through to bulk industrial orders. We provide full documentation support for regulated industries to ensure compliance with global standards.
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Physical Properties
| Melting Point | 294 °C |
| Boiling Point | 352.5±44.0 °C(Predicted) |
| Density | 1.482±0.06 g/cm3(Predicted) |
| Appearance | WHITE TO BEIGE CRYSTALLINE POWDER |
| Color | White to beige |
| Form | Crystalline Powder |
| Water Solubility | Soluble |
Safety & Handling
Warning GHS07 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation Precautionary Statements P264 Wash … thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P321 Specific treatment (see … on this label). P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. 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. P305+P351+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 | 29319000 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 2041-14-7
- EC Number
- 218-043-0
- Mol. Weight
- 125.06
- HS Code
- 29319000
- Category
- Chelating Agents