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Home/Compounds/CAS 88-45-9
Formula C6H8N2O3SMW 188.21Research-use catalog entryCOA/SDS by request

2,5-Diaminobenzenesulfonic acid

CAS Number: 88-45-9

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Loading RDKit molecule structure...
InChIKey: HEAHMJLHQCESBZ-UHFFFAOYSA-NC6H8N2O3S | MW 188.21

Chemical Absolute Identifiers

CAS Number

88-45-9

PubChem CID

66617

Molecular Formula

C6H8N2O3S

Molecular Weight

188.21 g/mol

Exact Mass

188.025563

InChIKey

HEAHMJLHQCESBZ-UHFFFAOYSA-N

SMILES String

C1=CC(=C(C=C1N)S(=O)(=O)O)N

Physical Properties

No physical property values available.

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

Catalog Facts

Structural features

2,5-Diaminobenzenesulfonic acid (CAS 88-45-9) is listed in the Materials Science portfolio, with molecular formula C6H8N2O3S and molecular weight 188. 21 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; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

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

Applications & Classification

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

Safety & Handling

Handling & Storage

  • Including any incompatibility Close tightly.
  • Store in a well-ventilated area.
  • Avoid contact with skin and eyes.

PPE

Respiratory protection if needed

First Aid

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

Stability / Reactivity

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

Disposal

  • Waste product.
  • The remaining and non-recyclable solution should be handed over to a licensed company for disposal.
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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

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Names & Synonyms / External Identifiers

Chemical Name

2,5-Diaminobenzenesulfonic acid

Names & Synonyms

Benzenesulfonic acid, 2,5-diamino-p-Phenylenediaminesulfonic acid2-Sulfo-p-phenylenediamine2,5-Diaminobenzene sulfonic acid1,4-Phenylenediamine-2-sulfonic Acid
Show all synonyms
2,5-DiaminobenzenesulfonicacidCCRIS 28842,5-Diaminobenzenesulphonic acid2,5-diamino benzene sulfonic acid2,5-Diaminobenzene-1-sulfonic acidEC 201-832-94-14-00-02771 (Beilstein Handbook Reference)2.5-Diaminobenzenesulfonic acid1,4-diaminobenzene-2-sulfonic acid1,4-diaminobenzene-6-sulphonic acidP-PHENYLENEDIAMINE-2-SULFONIC ACID2,5-DIAMINOPHENYL-1-SULFONIC ACIDDIAMINOBENZENESULFONIC ACID, 2,5-1,4-DIAMINO-2-BENZENESULFONIC ACIDP1691
External Identifiers
EC NUMBER: 201-832-9DSSTOX SUBSTANCE ID: DTXSID7058969UNII: UP8112D78NWIKIDATA ID: Q27291186
Experimental Spectrum References
1H NMR SpectraATR-IR Spectra — Bio-Rad Laboratories, Inc.FTIR Spectra

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

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Non-public related references

2,2'-Benzidinedisulfonic acidCAS 117-61-3
2,5-Diaminobenzoic AcidCAS 610-74-2
2-Fluorobenzene-1,4-diamineCAS 14791-78-7
2-Bromobenzene-1,4-diamineCAS 13296-69-0
2-Nitro-4-phenylenediamineCAS 5307-14-2

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 117-61-32,2'-Benzidinedisulfonic acidCAS 610-74-22,5-Diaminobenzoic 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 acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 88-45-9

What are the key identifiers for 2,5-Diaminobenzenesulfonic acid (CAS 88-45-9)?

2,5-Diaminobenzenesulfonic acid is identified by CAS 88-45-9, with molecular formula C6H8N2O3S, molecular weight 188.21, InChIKey HEAHMJLHQCESBZ-UHFFFAOYSA-N.

Can I request a COA for CAS 88-45-9?

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

Can I request supplier SDS for 2,5-Diaminobenzenesulfonic acid?

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

Is CAS 88-45-9 available for quotation?

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

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