11-Hydroxyundecylphosphonic acid, 95%

Synonym(s):P-(11-Hydroxyundecyl)phosphonic acid

CAS NO.：83905-98-0
Empirical Formula: C11H25O4P
Molecular Weight: 252.29
MDL number: MFCD11982869
SAFETY DATA SHEET (SDS)
Update Date: 2026-01-13 11:27:15

11-Hydroxyundecylphosphonic acid, 95% Structural

What is 11-Hydroxyundecylphosphonic acid, 95%?

The Uses of 11-Hydroxyundecylphosphonic acid, 95%

HUPA is mainly used as a spacer/linker that forms a SAM on titanium oxide (TiO₂) surfaces to immobilize the surface atoms for the formation of biocompatible materials for biomedical applications. It can also be used to functionalize the silicon-photonic resonators for biosensing applications.

General Description

11-Hydroxyundecylphosphonic acid (HUPA) is an alkyl phosphonic acid that forms a self-assembled monolayer (SAM) on a variety of metal oxides and metal surfaces. It forms a hydroxyl terminated SAM that provides a physiological stability and controls the surface density of the coating.

Properties of 11-Hydroxyundecylphosphonic acid, 95%

Melting point:	107-111 °C
form	powder

Safety information for 11-Hydroxyundecylphosphonic acid, 95%

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 11-Hydroxyundecylphosphonic acid, 95%

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