Dimethyl sulfite(DS) - ≥99% , CAS No.616-42-2

CAS: 616-42-2 Cat. No.: D106795 Molecular Weight: 110.13 Beilstein Registry Number: 1700256 EC Number: 210-481-0
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
Dimethyl sulfite | Methyl sulfite
Storage
Protected from light,Room temperature,Argon charged,Desiccated,Cool
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
D106795-5g
8

$12.90

$19.90
Save $7.00 (35.18%)
25g
D106795-25g
7

$36.90

$55.90
Save $19.00 (33.99%)
100g
D106795-100g
10

$118.90

$178.90
Save $60.00 (33.54%)
500g
D106795-500g
1

$442.90

$664.90
Save $222.00 (33.39%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature,Argon charged,Desiccated,Cool 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 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Dimethyl sulfite is an insect repellent and also experimentally identified as a mutagenic agent.
The conformations and vibrational spectra of dimethyl sulfite was studied by matrix-isolation fourier transform infrared spectroscopy and to study its conformational selective aggregation. It may be used in organic synthesis.

Specifications

Synonyms
Dimethyl sulfite | Methyl sulfite
Specifications & Purity
≥99%
Storage
Protected from light, Room temperature, Argon charged, Desiccated, Cool
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid488184261
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488184261
Canonical SmilesCOS(=O)OC
IUPAC Namedimethyl sulfite
InChIKeyBDUPRNVPXOHWIL-UHFFFAOYSA-N
INCHI1S/C2H6O3S/c1-4-6(3)5-2/h1-2H3
Isomeric SMILES COS(=O)OC
WGK Germany 3
RTECS WT3512000
UN Number 1993
Molecular Weight 110.13
Beilstein 1700256
Reaxy-Rn 1700256
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1700256&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
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentOrganooxygen compounds
Alternative Parents Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organooxygen compounds. These are organic compounds containing a bond between a carbon atom and an oxygen atom.
External Descriptors sulfite ester
3D Structure
Interactive Chemical Structure Model





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.

36 results found

Lot NumberCertificate TypeDateItem
D2615259Certificate of AnalysisMar 12, 2026 D106795
D2615258Certificate of AnalysisMar 12, 2026 D106795
D2615254Certificate of AnalysisMar 12, 2026 D106795
D2615253Certificate of AnalysisMar 12, 2026 D106795
C2407186Certificate of AnalysisDec 16, 2025 D106795
C2407188Certificate of AnalysisDec 16, 2025 D106795
C2407190Certificate of AnalysisDec 16, 2025 D106795
C2407315Certificate of AnalysisDec 16, 2025 D106795
C2407317Certificate of AnalysisDec 16, 2025 D106795
J2511724Certificate of AnalysisSep 27, 2025 D106795
J2511723Certificate of AnalysisSep 27, 2025 D106795
J2511725Certificate of AnalysisSep 27, 2025 D106795
J2511726Certificate of AnalysisSep 27, 2025 D106795
C23311596Certificate of AnalysisJan 20, 2025 D106795
C23311601Certificate of AnalysisJan 13, 2025 D106795
C23311597Certificate of AnalysisJan 13, 2025 D106795
L2419705Certificate of AnalysisDec 09, 2024 D106795
L2419704Certificate of AnalysisDec 09, 2024 D106795
L2419649Certificate of AnalysisDec 09, 2024 D106795
L2419648Certificate of AnalysisDec 09, 2024 D106795
I2410290Certificate of AnalysisAug 29, 2024 D106795
I2410291Certificate of AnalysisAug 29, 2024 D106795
I2410292Certificate of AnalysisAug 29, 2024 D106795
I2410293Certificate of AnalysisAug 29, 2024 D106795
I2207438Certificate of AnalysisJun 14, 2024 D106795
I2207439Certificate of AnalysisJun 14, 2024 D106795
C2430206Certificate of AnalysisMar 12, 2024 D106795
C2407524Certificate of AnalysisFeb 24, 2024 D106795
C2407187Certificate of AnalysisFeb 24, 2024 D106795
A2206111Certificate of AnalysisOct 11, 2023 D106795
A2206108Certificate of AnalysisOct 11, 2023 D106795
H2105105Certificate of AnalysisMay 12, 2023 D106795
H2105104Certificate of AnalysisMay 12, 2023 D106795
I2321031Certificate of AnalysisJun 23, 2022 D106795
I2207591Certificate of AnalysisJun 23, 2022 D106795
F2301038Certificate of AnalysisJun 23, 2022 D106795

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Chemical and Physical Properties
SensitivityAir sensitive
Refractive Index1.4085-1.4105
Flash Point(°F)100.4 °F
Flash Point(°C)30℃
Boil Point(°C)126-127°C
Molecular Weight110.130 g/mol
XLogP30.200
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass110.004 Da
Monoisotopic Mass110.004 Da
Topological Polar Surface Area54.700 Ų
Heavy Atom Count6
Formal Charge0
Complexity46.800
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
Citations of This Product
References
1. Nie Kai, Liu Shaoyang, Zhao Tao, Tan Zhijian, Zhang Yuanming, Song Yan, Li Boya, Li Linlin, Lv Wanwan, Han Guangting, Jiang Wei.  (2022)  Efficient fractionation of biomass by acid deep eutectic solvent (DES) and rapid preparation of lignin nanoparticles.  Biomass Conversion and Biorefinery,      [PMID:] [10.1007/s13399-022-03496-9]
2. Hongxia Chen, Bin Liu, Ya Wang, Hao Guan, Hongming Zhou.  (2021)  Insight into wide temperature electrolyte based on lithiumdifluoro(oxalate)borate for high voltage lithium-ion batteries.  JOURNAL OF ALLOYS AND COMPOUNDS,      [PMID:] [10.1016/j.jallcom.2021.159966]
3. Xu Liu, Xinghao Sun, Xixi Shi, Dawei Song, Hongzhou Zhang, Chunliang Li, Kai-Yao Wang, Chengwei Xiao, Xizheng Liu, Lianqi Zhang.  (2020)  Low-temperature and high-performance Si/graphite composite anodes enabled by sulfite additive.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2020.127782]
Solution Calculators
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