Description

Hexamethyl-D18-Disiloxane is a deuterated organosilicon compound, specifically the perdeuterated analogue of hexamethyldisiloxane (HMDSO). This high-purity isotopically labeled material is critical for applications requiring minimal proton interference and enhanced spectral resolution. It serves as an essential reagent and internal standard in advanced analytical chemistry and materials science research. Key industries that utilize this specialty chemical include nuclear magnetic resonance (NMR) spectroscopy, organic electronics, and the development of deuterated polymers and coatings.

Application

• Internal Standard and Solvent in Quantitative NMR (qNMR) Spectroscopy for precise molecular structure elucidation and purity analysis.
• Precursor for synthesizing deuterated siloxane polymers and silicone-based materials with tailored properties for specialized applications.
• Chemical Shift Reference in Deuterium NMR studies due to its sharp singlet and lack of proton signals.
• Matrix or co-matrix substance in MALDI-TOF Mass Spectrometry for analyzing high molecular weight compounds.
• Starting material for surface modification and vapor deposition processes in semiconductor and thin-film research.
• Used in isotope labeling studies to trace reaction mechanisms and metabolic pathways.
• Component in the formulation of specialty lubricants and release agents for high-temperature or corrosive environments.
• Research chemical in the development of organic light-emitting diodes (OLEDs) and other electronic devices.

Basic Information

Product Name	Hexamethyl-D18-Disiloxane
CAS No.	19108-55-5
Molecular Formula	C6D18OSi2
Molecular Weight	208.55 g/mol
Synonyms	Perdeuteriohexamethyldisiloxane; HMDSO-d18; Hexamethyldisiloxane-d18; 1,1,1,3,3,3-Hexadeuterio-2,2-bis(trideuteriomethyl)-1,3-dideuterio-1,3-disiloxane; Deuterated Hexamethyldisiloxane; D18-HMDSO; Bis(trideuteriomethyl)(dideuteriooxo)silane-d6; (OCD3)3SiOSi(CD3)3
EINECS	Contact for details

Quality Control

Our Hexamethyl-D18-Disiloxane is manufactured under controlled conditions to ensure exceptional isotopic and chemical purity, meeting the stringent requirements of research and analytical applications. Each batch is characterized using advanced techniques including NMR, GC-MS, and IR spectroscopy to confirm deuteration level and identity. A comprehensive Certificate of Analysis (COA) detailing isotopic purity (Atom % D), chemical assay, and specific tests is provided with every shipment. We adhere to a rigorous quality management system to guarantee batch-to-batch consistency and reliability.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place, ideally at 2-8°C (refrigerated) to minimize evaporation and maintain stability. The container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent moisture absorption and potential contamination. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (GC)	≥ 98.0%
Isotopic Purity (Atom % D)	≥ 98.0% (by NMR)
Water Content (KF)	≤ 0.1%

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