Description

11-Mercaptoundecanoic Acid-D20 is a deuterated derivative of 11-mercaptoundecanoic acid, a key alkanethiol fatty acid used in surface science and nanotechnology. This compound is essential for creating self-assembled monolayers (SAMs) on gold and other noble metal surfaces, where the deuterium labeling provides a powerful tool for advanced analytical studies. It is primarily utilized by researchers and manufacturers in the fields of surface chemistry, biosensor development, and materials science for precise interfacial engineering and spectroscopic analysis.

Application

• Surface Science Research: Deuterium-labeled standard for studying the formation, structure, and stability of self-assembled monolayers (SAMs) using techniques like FT-IR, NMR, and neutron reflectometry.
• Biosensor & Diagnostic Platforms: Functionalization of gold nanoparticles and electrodes to create stable, bio-compatible surfaces for immobilizing proteins, DNA, or other biomolecules.
• Corrosion Inhibition Studies: Model compound for investigating the protective mechanisms of thiol-based inhibitors on metal surfaces in controlled environments.
• Nanotechnology & Microfabrication: Precise surface patterning and modification for electronic devices, MEMS, and lab-on-a-chip applications.
• Analytical Chemistry: Internal standard or tracer in quantitative mass spectrometry (MS) and chromatography analyses for related mercapto fatty acids.
• Fundamental Physical Chemistry: Probe for investigating surface thermodynamics, wetting properties (hydrophobicity/hydrophilicity), and molecular packing densities.

Basic Information

Product Name	11-Mercaptoundecanoic Acid-D20
CAS No.	170942-42-4
Molecular Formula	C11D20H2O2S
Molecular Weight	~236.44 g/mol
Synonyms	11-Mercaptoundecanoic-d20 Acid; Deuterated 11-Mercaptoundecanoic Acid; 11-Sulfanylundecanoic-d20 Acid; Undecane-11-thioic-d20 Acid; 11-Thioundecanoic-d20 Acid; MUA-d20; 11-MUA-d20; Perdeuterated 11-Mercaptoundecanoic Acid
EINECS	Contact for details

Quality Control

Our 11-Mercaptoundecanoic Acid-D20 is produced under strict quality management protocols. Each batch is characterized to ensure high chemical purity and isotopic enrichment, with critical parameters verified by NMR, HPLC, and MS. A comprehensive Certificate of Analysis (COA) detailing purity, deuterium incorporation, and other specifications is provided with every shipment to guarantee consistency for your research and development needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated place away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Deuterium Incorporation	≥ 98 atom % D
Assay (Titration)	≥ 97%
Melting Point	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.