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Home/Compounds/CAS 118-33-2
Formula C10H9NO6S2MW 303.3Research-use catalog entryCOA/SDS by request

6-Amino-1,3-naphthalenedisulfonic acid

CAS Number: 118-33-2

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Available options

Available Options

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Purity
94%
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Loading RDKit molecule structure...
InChIKey: KZCSUEYBKAPKNH-UHFFFAOYSA-NC10H9NO6S2 | MW 303.3

Chemical Absolute Identifiers

CAS Number

118-33-2

PubChem CID

8356

Molecular Formula

C10H9NO6S2

Molecular Weight

303.3 g/mol

Exact Mass

302.987129

InChIKey

KZCSUEYBKAPKNH-UHFFFAOYSA-N

IUPAC Name

6-aminonaphthalene-1,3-disulfonic acid

SMILES String

C1=CC2=C(C=C(C=C2C=C1N)S(=O)(=O)O)S(=O)(=O)O

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

6-Amino-1,3-naphthalenedisulfonic acid (CAS 118-33-2) is listed in the Materials Science portfolio, with molecular formula C10H9NO6S2 and molecular weight 303. 30 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

Dyes and PigmentsMaterials 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 reaction.
  • Carbon monoxide, carbon dioxide, nitrogen oxides, sulfur oxides.

Disposal

  • The product.
  • Dispose of remaining and non-recyclable solutions to a licensed company.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus during 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

6-Amino-1,3-naphthalenedisulfonic acid

Names & Synonyms

1,3-Naphthalenedisulfonic acid, 6-amino-6-Aminonaphthalene-1,3-disulphonic acid4-14-00-02811 (Beilstein Handbook Reference)6-AMINO-3-SULFONAPHTHALENE-1-SULFONIC ACID2-Aminonaphthalene-5,7-disulfonic acid
Show all synonyms
2-NAPHTHYLAMINE-5,7-DISULFONIC ACIDKyselina amino-IAmino-I acidAmino-J acidAmino-J-acid2-Naftylamin-5,7-disulfonan sodny2-Naphthylamine, 5,7-disulfo-beta-Naphthylamine-5,7-disulfonic acid6-Amino-1,3-naphthalene disulfonic acid2-Naftylamin-5,7-disulfonan sodny [Czech]Naphthalene-1,3-disulfonic acid, 6-amino-Amino J Acid1, 6-amino-Naphthalene-1, 6-amino-
External Identifiers
EC NUMBER: 204-246-1DSSTOX SUBSTANCE ID: DTXSID8059471UNII: VP7LWM9S94WIKIDATA ID: Q72493706
Experimental Spectrum References
13C NMR Spectra1H NMR SpectraFTIR 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

Show non-linked catalog cues

Non-public related references

1,3,6-Naphthalenetrisulfonic acid, 7-amino-CAS 118-03-6
1,3,5-Naphthalenetrisulfonic acid, 7-amino-CAS 27310-25-4
4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acidCAS 130-23-4
1,3,6-Naphthalenetrisulfonic acid, sodium salt (1:3)CAS 5182-30-9
4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)CAS 134-47-4

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 118-03-61,3,6-Naphthalenetrisulfonic acid, 7-amino-CAS 27310-25-41,3,5-Naphthalenetrisulfonic acid, 7-amino-CAS 130-23-44-Amino-5-hydroxy-1,7-naphthalenedisulfonic acidCAS 5182-30-91,3,6-Naphthalenetrisulfonic acid, sodium salt (1:3)CAS 134-47-44,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)CAS 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 118-33-2

What are the key identifiers for 6-Amino-1,3-naphthalenedisulfonic acid (CAS 118-33-2)?

6-Amino-1,3-naphthalenedisulfonic acid is identified by CAS 118-33-2, with molecular formula C10H9NO6S2, molecular weight 303.3, InChIKey KZCSUEYBKAPKNH-UHFFFAOYSA-N.

Can I request a COA for CAS 118-33-2?

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

Can I request supplier SDS for 6-Amino-1,3-naphthalenedisulfonic acid?

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

Is CAS 118-33-2 available for quotation?

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

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