2-Sulfobenzoic acid - ≥95% , CAS No.632-25-7

CAS: 632-25-7 Cat. No.: S395870 Molecular Weight: 202.18 EC Number: 211-176-5
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
2-Sulfobenzoic acid|632-25-7|o-Sulfobenzoic acid|Benzoic acid, 2-sulfo-|2-Sulphobenzoic acid|sulfobenzoic acid|O9W37198EZ|carboxybenzenesulfonic acid|UNII-O9W37198EZ|30553-06-1|sulphobenzoic acid|2-Sulfobenzoicacid|EINECS 211-176-5|2-sulfo-benzoic acid|2-
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
S395870-1g
1

$88.90

$103.90
Save $15.00 (14.44%)
5g
S395870-5g
1

$294.90

$343.90
Save $49.00 (14.25%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,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
2-Sulfobenzoic acid | 632-25-7 | o-Sulfobenzoic acid | Benzoic acid, 2-sulfo- | 2-Sulphobenzoic acid | sulfobenzoic acid | O9W37198EZ | carboxybenzenesulfonic acid | UNII-O9W37198EZ | 30553-06-1 | sulphobenzoic acid | 2-Sulfobenzoicacid | EINECS 211-176-5 | 2-sulfo-benzoic acid | 2-
Specifications & Purity
≥95%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Canonical SmilesC1=CC=C(C(=C1)C(=O)O)S(=O)(=O)O
IUPAC Name2-sulfobenzoic acid
InChIKeyZMPRRFPMMJQXPP-UHFFFAOYSA-N
INCHI1S/C7H6O5S/c8-7(9)5-3-1-2-4-6(5)13(10,11)12/h1-4H,(H,8,9)(H,10,11,12)
Isomeric SMILES C1=CC=C(C(=C1)C(=O)O)S(=O)(=O)O
UN Number 3261
Packing Group II
Molecular Weight 202.18
Reaxy-Rn 2106852
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2106852&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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzenesulfonic acids and derivatives
Intermediate Tree Nodes Sulfobenzoic acids
Direct Parent2-sulfobenzoic acids
Alternative Parents Benzoic acids  Benzenesulfonyl compounds  1-sulfo,2-unsubstituted aromatic compounds  Benzoyl derivatives  Sulfonyls  Organosulfonic acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents 2-sulfobenzoic acid - Arylsulfonic acid or derivatives - Benzenesulfonyl group - Benzoic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Benzoic acid - Benzoyl - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Sulfonyl - Organosulfonic acid - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organosulfur compound - Organooxygen compound - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 2-sulfobenzoic acids. These are sulfobenzoic acid carrying the sulfonyl group at the 2-position of the benzene 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.

4 results found

Lot NumberCertificate TypeDateItem
C2505612Certificate of AnalysisMar 08, 2025 S395870
C2505616Certificate of AnalysisMar 08, 2025 S395870
C2505617Certificate of AnalysisMar 08, 2025 S395870
C2505618Certificate of AnalysisMar 08, 2025 S395870
Chemical and Physical Properties
SensitivityAir sensitive
Melt Point(°C)68-72° C
Molecular Weight202.190 g/mol
XLogP30.200
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass201.994 Da
Monoisotopic Mass201.994 Da
Topological Polar Surface Area100.000 Ų
Heavy Atom Count13
Formal Charge0
Complexity288.000
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
Solution Calculators
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