Description

Dimrthylsulfpxideforuvspectroscopy CAS NO 67-71-7 is a high-purity grade of dimethyl sulfoxide (DMSO) specifically formulated for demanding analytical applications. Its primary value lies in its exceptional spectral purity, ensuring minimal UV absorbance interference for accurate and reliable spectroscopic analysis. This product is essential for research and quality control laboratories in the pharmaceutical, biotechnology, and chemical industries where precise UV-Vis spectroscopy is critical.

Application

• UV-Vis Spectroscopy Solvent: Primary application as a high-purity solvent for sample preparation and analysis in ultraviolet-visible spectrophotometry.
• HPLC & LC-MS Mobile Phase Component: Used as a component in mobile phases for high-performance liquid chromatography and liquid chromatography-mass spectrometry.
• Analytical Reference Standard: Serves as a solvent or diluent for preparing analytical standards and calibration curves.
• Polymer Research: Employed as a solvent for studying polymer solutions and conducting gel permeation chromatography (GPC).
• Pharmaceutical Analysis: Used in the analysis of active pharmaceutical ingredients (APIs) and drug formulations requiring high-purity, low-UV background solvents.
• Biochemical Research: Applicable in protein and nucleic acid studies where a polar aprotic solvent with specific spectroscopic properties is needed.

Basic Information

Item	Detail
Product Name	Dimrthylsulfpxideforuvspectroscopy CAS NO 67-71-7
CAS No.	67-71-7
Molecular Formula	C₂H₆OS
Molecular Weight	78.13 g/mol
Synonyms	DMSO; Dimethyl Sulfoxide; Methylsulfinylmethane; Sulfinylbismethane; Deltan; Demasorb; Demavet; Dolicur; Dromisol; Hyadur; Rimso-50; Somipront; Syntexan
EINECS	200-664-3

Quality Control

Our Dimrthylsulfpxideforuvspectroscopy is manufactured under strict quality management systems to meet the exacting requirements of analytical laboratories. Each batch is tested to ensure compliance with stringent in-house specifications for UV cutoff, absorbance, and purity. A comprehensive Certificate of Analysis (COA) detailing assay, physical properties, and spectral data is provided with every shipment to guarantee traceability and performance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; containers should be kept tightly sealed when not in use to minimize exposure to atmospheric moisture and oxygen.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.9%
UV Absorbance (1 cm cell vs H₂O)	275 nm: ≤ 0.10 295 nm: ≤ 0.05
Water Content (KF)	≤ 0.05%
Residue on Evaporation	≤ 0.001%
Freezing Point	18.0 - 18.5 °C

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