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Home/Compounds/CAS 22326-31-4
Formula C8H6O7SMW 246.2Research-use catalog entryCOA/SDS by request

Sulfoisophthalic acid

CAS Number: 22326-31-4

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Loading RDKit molecule structure...
InChIKey: CARJPEPCULYFFP-UHFFFAOYSA-NC8H6O7S | MW 246.2

Chemical Absolute Identifiers

CAS Number

22326-31-4

PubChem CID

80714

Molecular Formula

C8H6O7S

Molecular Weight

246.2 g/mol

Exact Mass

245.983424

InChIKey

CARJPEPCULYFFP-UHFFFAOYSA-N

IUPAC Name

5-sulfobenzene-1,3-dicarboxylic acid

SMILES String

C1=C(C=C(C=C1C(=O)O)S(=O)(=O)O)C(=O)O

Physical Properties

Melting Point

258.0 °C

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Sulfoisophthalic acid (CAS 22326-31-4) is listed in the Materials Science portfolio, with molecular formula C8H6O7S and molecular weight 246. 20 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for materials chemistry research and formulation screening workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Ligand ResearchMOF and COF MaterialsMaterials ScienceResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Handling & Storage

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity and stability.
  • Carbon monoxide, carbon dioxide, sulfur oxides.

Disposal

  • Dispose of remaining and non-recyclable solutions to a licensed company.
  • Contact a professional agency with a waste disposal license to handle this substance.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus for firefighting.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Sweep and shovel up.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Sulfoisophthalic acid

Names & Synonyms

5-Sulfoisophthalic acid5-Sulphoisophthalic acid5-Sulfoisophthalicacid5-Sulfo-1,3-benzenedicarboxylic acid1,3-Benzenedicarboxylic acid, 5-sulfo-
Show all synonyms
Isophthalic acid, 5-sulfo-Monopotassium 5-sulfoisophthalate5-Sulfo-1,3-benzenedicarboxylic acid, monopotassium salt1,3-Benzenedicarboxylic acid, 5-sulfo-, monopotassium salt1,3-Benzenedicarboxylic acid, 5-sulfo-, potassium salt (1:1)3,5-dicarboxybenzenesulfonic acidKyselina 3,5-dikarboxybenzensulfonova [Czech]Kyselina 3,5-dikarboxybenzensulfonova5-sulfo isophtalic acid5-Sulfo-isophthalic acidIsophthalic acid, 5-sulfo- (6CI,7CI,8CI)EC 244-912-90-11-00-00407 (Beilstein Handbook Reference)5-Sulfoisophthalic acid, 8CI
External Identifiers
EC NUMBER: 244-912-9DSSTOX SUBSTANCE ID: DTXSID8045064CHEMBL ID: CHEMBL165399CHEBI ID: CHEBI:174269UNII: 826FR8A3IPHMDB ID: HMDB0032822METABOLOMICS WORKBENCH ID: 45746WIKIDATA ID: Q27269314
Literature & Patent References
DOI 10.1021/jm980663fAcquisition of high-affinity, SH2-targeted ligands via a spatially focused library.PMID 10072676Acquisition of high-affinity, SH2-targeted ligands via a spatially focused library.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

Show non-linked catalog cues

Non-public related references

1,3,5-Benzenetricarboxylic acidCAS 554-95-0
(E)-5,5'-(Ethene-1,2-diyl)diisophthalic acidCAS 1025726-44-6
5-Aminoisophthalic acidCAS 99-31-0
3',4',5',6'-Tetrakis(3,5-dicarboxyphenyl)-[1,1':2',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acidCAS 2219313-57-0
[1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarboxylic acidCAS 921619-91-2

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 554-95-01,3,5-Benzenetricarboxylic acidCAS 1025726-44-6(E)-5,5'-(Ethene-1,2-diyl)diisophthalic acidCAS 99-31-05-Aminoisophthalic acidCAS 2219313-57-03',4',5',6'-Tetrakis(3,5-dicarboxyphenyl)-[1,1':2',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acidCAS 921619-91-2[1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarboxylic acidCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

RFQ questions for CAS 22326-31-4

What are the key identifiers for Sulfoisophthalic acid (CAS 22326-31-4)?

Sulfoisophthalic acid is identified by CAS 22326-31-4, with molecular formula C8H6O7S, molecular weight 246.2, InChIKey CARJPEPCULYFFP-UHFFFAOYSA-N.

Can I request a COA for CAS 22326-31-4?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Sulfoisophthalic acid?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 22326-31-4 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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