Dimethyl sulfoxide - Ultra dry, ≥99.9%, water≤50 ppm , CAS No.67-68-5

CAS: 67-68-5 Cat. No.: D1521189 Formula: C2H6SO Molecular Weight: 78.13 Beilstein Registry Number: 506008 EC Number: 200-664-3
AVAILABLE TO ORDER
GRADE & PURITY Ultra dry ? Ultra-dry grade with extremely low water content, packaged to exclude moisture. Use for moisture-sensitive reactions and air-free chemistry. ≥99.9% water≤50 ppm
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
100ml
D1521189-100ml
Made to order · 8–12 wks
$29.90
500ml
D1521189-500ml
Made to order · 8–12 wks
$69.90
Enter a quantity for the sizes you want to add.
🧪
Why this grade

Ultra dry, ≥99.9%, water≤50 ppm Ultra dry for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged,Desiccated Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 5308 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Specifications & Purity
Ultra dry, ≥99.9%, water≤50 ppm
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
Grade
Ultra dry
Purity
≥99.9%
Names and Identifiers
Canonical Smiles
CS(=O)C
IUPAC Name
methylsulfinylmethane
InChIKey
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
INCHI
1S/C2H6OS/c1-4(2)3/h1-2H3
Isomeric SMILES
CS(=O)C
WGK Germany
1
RTECS
PV6210000
Molecular Weight
78.13
Beilstein
506008
Reaxy-Rn
506008
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=506008&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganosulfur compounds
ClassSulfoxides
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentSulfoxides
Alternative Parents Sulfinyl compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Sulfoxide - Sulfinyl compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as sulfoxides. These are compounds containing a sulfoxide functional group, with the structure RS(=O)R' (R,R' not H).
External Descriptors a small molecule
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateItem
J2620453Certificate of AnalysisOct 22, 2026 D1521189
J2620454Certificate of AnalysisOct 22, 2026 D1521189
G2623152Certificate of AnalysisJul 25, 2026 D1521189
G2623153Certificate of AnalysisJul 25, 2026 D1521189
E2612008Certificate of AnalysisMay 19, 2026 D1521189
E2612010Certificate of AnalysisMay 15, 2026 D1521189
Chemical and Physical Properties
SensitivityHygroscopic.
Refractive Index1.477-1.48
Flash Point(°F)189 °F
Flash Point(°C)87℃
Boil Point(°C)189°C
Melt Point(°C)16-19 °C (lit.)
Molecular Weight78.140 g/mol
XLogP3-0.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass78.0139 Da
Monoisotopic Mass78.0139 Da
Topological Polar Surface Area36.300 Ų
Heavy Atom Count4
Formal Charge0
Complexity29.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Comparison of Principles, System Control, and Result Interpretation in Hydroxyl Radical Scavenging Capacity Assays
From Functional Groups to Experimental Decision-Making: Protein Crosslinker Selection and Experimental Essentials
Metal Halide Perovskite Solar Cells: Sources of High Efficiency, Stability Bottlenecks, and Experimental Decision Logic
Mechanisms and Experimental Applications of β-GP, Ascorbic Acid, and Dexamethasone in Osteogenic Induction Systems
How to Troubleshoot Abnormal Impurities in Peptide Synthesis? Locating Process Issues Through Amino-Related Side Reactions
Practical Guide to TSA Tyramide Signal Amplification: How to Select Reagents, Optimize the Workflow, and Reduce Background When Detection Signals Are Weak for Low-Abundance Targets
What Is Synthetic Biology? The Industrialization Pathway from Upstream Reagent Toolchains to Biomanufacturing Applications
CTSOBt Benzotriazole–Sulfonate Coupling Reagent: Carboxylic Acid Activation and Synthetic Application Value
From Photocatalytic Ring Opening to Skeletal Reconstruction: Reaction Logic and Synthetic Applications of Oxygen-Atom Replacement in Oxetanes
Reactions and Applications of 3,3-Difluoroallyl Sulfonium Salts (DFASs): Small-Molecule gem-Difluoroallylation, Selective Peptide Modification, and Subsequent Functionalization
3,3-Spiro-α-Proline Building Blocks: Structural Features, Complementary Synthetic Routes, and Multigram-Scale Preparation
Stereoretentive Decarboxylative Amidation with Dioxazolones: A Two-Electron Rearrangement Mechanism for Stereochemical Transfer from Chiral Carboxylic Acids
Reaction Logic of I₂/DMSO-Mediated Oxidation of Aryl Methyl Ketones: In Situ Generation, Trapping, and Heterocycle Construction of Aryl Glyoxals
Dual Role of NH₄SCN and CN Transfer: From Electrochemical Oxidation of SCN⁻ to the Construction of 1-Cyanoimidazo[1,5-a]pyridines
Screening and Replacement of Green Solvents in Metallaphotoredox Catalysis: Reaction Compatibility and Process Feasibility
Rotary-Evaporation-Assisted Reversible Dehydration Reactions: Reduced-Pressure Evaporation, Removal of Volatile Components, and Equilibrium Response
Fundamentals of the Reactivity of 9,10-Phenanthrenequinone and Its Derivatives: Vicinal Dicarbonyl Electronic Structure, Electron Transfer, and Photochemical Reactions
Bond-Formation Sequence and Process Improvement for 3-Bromo-6-alkyl-1,6-naphthyridin-5(6H)-ones: From Late-Stage N-Alkylation to Enamine Cyclization with Primary Amines
From Temporary Covalent Assembly to Intramolecular Smiles Aryl Migration: DCPDC-Mediated Phenol–Primary Amine C–N Cross-Coupling
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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