Sodium p-toluenesulfinate - ≥98% , CAS No.207801-20-5

CAS: 207801-20-5 Cat. No.: S100401 Molecular Weight: 178.18 Beilstein Registry Number: 5682450 EC Number: 683-621-5 PubChem CID: 23682957
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Sodium4-methylbenzenesulfinatexhydrate | SODIUM 4-METHYLBENZENESULFINATE HYDRATE | Sodium p-toluenesulfinate hydrate, 97% | MFCD00149640 | EN300-257371 | AS-80673 | p-Toluenesulfinic acid sodium salt, 97% (dry wt.), water <5% | p-Toluenesulfinic acid sod
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
S100401-25g
5
$14.90
100g
S100401-100g
5
$37.90
500g
S100401-500g
2
$87.90
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.

Specifications

Synonyms
Sodium4-methylbenzenesulfinatexhydrate | SODIUM 4-METHYLBENZENESULFINATE HYDRATE | Sodium p-toluenesulfinate hydrate, 97% | MFCD00149640 | EN300-257371 | AS-80673 | p-Toluenesulfinic acid sodium salt, 97% (dry wt.), water <5% | p-Toluenesulfinic acid sod
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504769650
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504769650
Canonical SmilesCC1=CC=C(C=C1)S(=O)[O-].O.[Na+]
IUPAC Namesodium;4-methylbenzenesulfinate;hydrate
InChIKeyWUHWAOGAJFMIFU-UHFFFAOYSA-M
INCHI1S/C7H8O2S.Na.H2O/c1-6-2-4-7(5-3-6)10(8)9;;/h2-5H,1H3,(H,8,9);;1H2/q;+1;/p-1
Isomeric SMILES CC1=CC=C(C=C1)S(=O)[O-].O.[Na+]
WGK Germany 2
RTECS XT4725000
Alternate CAS 824-79-3
PubChem CID 23682957
Molecular Weight 178.18
Beilstein 5682450
Reaxy-Rn 4621454

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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassToluenes
Intermediate Tree Nodes Not available
Direct ParentToluenes
Alternative Parents Sulfinic acids and derivatives  Organosulfur compounds  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  Organic cations  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Toluene - Sulfinic acid derivative - Organic alkali metal salt - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic sodium salt - Organic salt - Organosulfur compound - Organic cation - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as toluenes. These are compounds containing a benzene ring which bears a methane group.
External Descriptors Not available
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.

8 results found

Lot NumberCertificate TypeDateItem
A2206801Certificate of AnalysisOct 27, 2025 S100401
A2206813Certificate of AnalysisOct 27, 2025 S100401
A2206827Certificate of AnalysisOct 27, 2025 S100401
A2206898Certificate of AnalysisOct 27, 2025 S100401
K2102019Certificate of AnalysisAug 11, 2025 S100401
L1213011Certificate of AnalysisAug 12, 2024 S100401
E1229066Certificate of AnalysisMar 08, 2024 S100401
B2402005Certificate of AnalysisDec 02, 2021 S100401
Chemical and Physical Properties
SensitivityMoisture sensitive.
Molecular Weight196.200 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass196.017 Da
Monoisotopic Mass196.017 Da
Topological Polar Surface Area60.300 Ų
Heavy Atom Count12
Formal Charge0
Complexity132.000
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 Count3
Solution Calculators
Reviews

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