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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 →🔬 Specification Sheet
Full quality attributes and acceptance criteria for this grade.
View spec sheet →Advanced Data
Taxonomic Classification
Taxonomy Tree
- Kingdom Organic compounds
- Superclass Organosulfur compounds
- Class Sulfoxides
- Superclass Organosulfur compounds
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organosulfur compounds |
| Class | Sulfoxides |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Sulfoxides |
| Alternative Parents | Sulfinyl compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Sulfoxide - Sulfinyl compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound |
| Description | This 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.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 J2620453 | Certificate of Analysis | Oct 22, 2026 | D1521189 |
| J2620454 | Certificate of Analysis | Oct 22, 2026 | D1521189 |
| G2623152 | Certificate of Analysis | Jul 25, 2026 | D1521189 |
| G2623153 | Certificate of Analysis | Jul 25, 2026 | D1521189 |
| E2612008 | Certificate of Analysis | May 19, 2026 | D1521189 |
| E2612010 | Certificate of Analysis | May 15, 2026 | D1521189 |
Chemical and Physical Properties
| Sensitivity | Hygroscopic. |
|---|---|
| Refractive Index | 1.477-1.48 |
| Flash Point(°F) | 189 °F |
| Flash Point(°C) | 87℃ |
| Boil Point(°C) | 189°C |
| Melt Point(°C) | 16-19 °C (lit.) |
| Molecular Weight | 78.140 g/mol |
| XLogP3 | -0.600 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 78.0139 Da |
| Monoisotopic Mass | 78.0139 Da |
| Topological Polar Surface Area | 36.300 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 29.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
Documents & Articles
Citations of This Product
Solution Calculators
Reviews
Customer Reviews
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