4-Methyl-1,3,2-dioxathiolane 2-Oxide (mixture of isomers) - ≥98% , CAS No.1469-73-4

CAS: 1469-73-4 Cat. No.: M120340 Molecular Weight: 122.14 EC Number: 621-493-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
PS | 1,2-Propanediol sulfite | AKOS006273771 | 4-Methyl-1,3,2-dioxathiolane2-oxide | NSC 44145 | Sulfurous acid,2-propanediol | 1,2-Dioxathiolane, 4-methyl-, 2-oxide | M2471 | SULFUROUS ACID, CYCLIC ESTER with 1,2-PROPANEDIOL | 1,2-Propylene glycol sulfit
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
M120340-1g
3
$13.90
5g
M120340-5g
2
$45.90
25g
M120340-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$103.90
100g
M120340-100g
1
$275.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

It has been studied as a film-forming electrolyte additive for use in lithium ion battery electrolytes. It is also used as a solvent for making non-aqueous electrolytes for lithium ion and lithium sulfur batteries.

Specifications

Synonyms
PS | 1, 2-Propanediol sulfite | AKOS006273771 | 4-Methyl-1, 3, 2-dioxathiolane2-oxide | NSC 44145 | Sulfurous acid, 2-propanediol | 1, 2-Dioxathiolane, 4-methyl-, 2-oxide | M2471 | SULFUROUS ACID, CYCLIC ESTER with 1, 2-PROPANEDIOL | 1, 2-Propylene glycol sulfit
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488182071
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182071
Canonical SmilesCC1COS(=O)O1
IUPAC Name4-methyl-1,3,2-dioxathiolane 2-oxide
InChIKeySJHAYVFVKRXMKG-UHFFFAOYSA-N
INCHI1S/C3H6O3S/c1-3-2-5-7(4)6-3/h3H,2H2,1H3
Isomeric SMILES CC1COS(=O)O1
Molecular Weight 122.14
Reaxy-Rn 1281172
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1281172&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
ClassOrganic oxoanionic compounds
SubclassOrganic sulfites
Intermediate Tree Nodes Not available
Direct ParentSulfite esters
Alternative Parents Oxacyclic compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Sulfite ester - Oxacycle - Organoheterocyclic compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as sulfite esters. These are organic compounds containing an organic group attached to the sulfite oxoanion, with the formula R[SO3]2-.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
A498 (42825 Activities)
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ACHN (49357 Activities)
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CAKI-1 (44928 Activities)
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CCRF-CEM (65223 Activities)
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KM12 (47707 Activities)
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M14 (47487 Activities)
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OVCAR-3 (48710 Activities)
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OVCAR-8 (47708 Activities)
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RPMI-8226 (44974 Activities)
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SN12C (47755 Activities)
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SNB-19 (46794 Activities)
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SNB-78 (14240 Activities)
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UACC-257 (46019 Activities)
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UACC-62 (47335 Activities)
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EKVX (44102 Activities)
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HCC 2998 (41480 Activities)
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HCT-116 (91556 Activities)
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HOP-18 (11577 Activities)
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HOP-92 (41141 Activities)
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NCI-H460 (60772 Activities)
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SF-268 (49410 Activities)
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IGROV-1 (47897 Activities)
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KM-20L2 (14967 Activities)
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LOX IMVI (44321 Activities)
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HOP-62 (47048 Activities)
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Malme-3M (44254 Activities)
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Mechanisms of Action
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
K2017140Certificate of AnalysisApr 15, 2026 M120340
K2017139Certificate of AnalysisApr 15, 2026 M120340
K2017142Certificate of AnalysisMar 20, 2026 M120340
C2204669Certificate of AnalysisSep 09, 2025 M120340
K2017141Certificate of AnalysisSep 14, 2022 M120340
C2205001Certificate of AnalysisJan 24, 2022 M120340
Chemical and Physical Properties
Refractive Index1.44
Flash Point(°C)81 °C
Boil Point(°C)40 °C/5 mmHg
Molecular Weight122.150 g/mol
XLogP30.400
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass122.004 Da
Monoisotopic Mass122.004 Da
Topological Polar Surface Area54.700 Ų
Heavy Atom Count7
Formal Charge0
Complexity92.200
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count2
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

Customer Reviews

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