(11-Hydroxyundecyl)phosphonic acid（CAS# 83905-98-0)
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
Introduction
(11-Hydroxyundecyl)phosphonic acid is an organophosphorus compound with phosphoric acid and hydroxyl functional groups. Its properties are white crystalline solids, low solubility, soluble in organic solvents such as ethanol, acetonitrile, etc. It is a surfactant with a wide range of applications in surface science and chemistry.
Chemically, (11-hydroxyundecyl)phosphonic acid can be used as surfactants, emulsifiers and preservatives, etc., and is often used in lubricating oils, preservatives, surface treatment agents and other fields. Its preparation method can be obtained by phosphoric acid chlorination, and then synthesized by reaction with the corresponding hydroxyl compound.
Safety Information: (11-Hydroxyundecyl)phosphonic acid needs to be handled with care during use to avoid contact with skin, eyes, and inhaled gases. It is necessary to ensure that you operate in a well-ventilated area and that appropriate personal protective measures are taken. When storing and handling, contact with oxidants should be avoided to avoid dangerous reactions.
