3-Amino-5-chloro-2-hydroxybenzenesulfonic | CAS 88-23-3

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Available Options

Package: 5 g
Purity: 98%
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InChIKey: YCTAOQGPWNTYJE-UHFFFAOYSA-NC6H6ClNO4S | MW 223.63

Chemical Absolute Identifiers

CAS Number

88-23-3

PubChem CID

6927

Molecular Formula

C6H6ClNO4S

Molecular Weight

223.63 g/mol

Exact Mass

222.970607

InChIKey

YCTAOQGPWNTYJE-UHFFFAOYSA-N

SMILES String

C1=C(C=C(C(=C1N)O)S(=O)(=O)O)Cl

Physical Properties

Appearance

6-amino-4-chloro-1-phenol-2-sulfonic acid is an off-white solid. (NTP, 1992)

Water Solubility

1 mol/L

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

Catalog Facts

Structural features

3-Amino-5-chloro-2-hydroxybenzenesulfonic acid (CAS 88-23-3) is listed in the Materials Science portfolio, with molecular formula C6H6ClNO4S and molecular weight 223. 63 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 Pigments Materials 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.
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.
Carbon monoxide, carbon dioxide, hydrogen chloride, nitrogen oxides, sulfur oxides.

Disposal

Waste product.
Dispose of remaining and non-recyclable solutions to a licensed company.

Show additional safety reference fields

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

3-Amino-5-chloro-2-hydroxybenzenesulfonic acid

Names & Synonyms

2-Amino-4-chlorophenol-6-sulfonic Acid6-Amino-4-chloro-1-phenol-2-sulfonic acid4-Chloro-2-aminophenol-6-sulfonic acidBenzenesulfonic acid, 3-amino-5-chloro-2-hydroxy-CCRIS 4580

Show all synonyms

2-Hydroxy-5-chlorometanilic acidEC 201-813-51-PHENOL-2-SULFONIC ACID, 6-AMINO-4-CHLORO-AMINO-4-CHLORO-1-PHENOL-2-SULFONIC ACID, 6-3-amino-5-chloro-2-hydroxybenzene-1-sulfonic acidMetanilic acid, 5-chloro-2-hydroxy-3-Amino-5-chloro-2-hydroxy-benzenesulfonic acid6-Amino-4-chlorophenol-2-sulfonic acid2-amino-4-chloro-6-sulfophenol3-Amino-5-chloro-2-hydroxybenzenesulphonic acid5-CHLORO-2-HYDROXYMETANILIC ACIDA07733-Amino-5-chloro-2-hydroxybenzenesulfonicacid3-amino-5-chloro2-hydroxybenzenesulfonic acid3-amino-5-chloro-2-hydroxy-1-benzenesulfonic acid

External Identifiers

EC NUMBER: 201-813-5DSSTOX SUBSTANCE ID: DTXSID0024474CHEMBL ID: CHEMBL3184757UNII: 83IP35P6EZWIKIDATA ID: Q27269438

Experimental Spectrum References

13C NMR Spectra 1H NMR Spectra 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

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

Text Reference Cues

Show non-linked catalog cues

Non-public related references

6-Amino-4-nitro-1-phenol-2-sulfonic acidCAS 96-67-3

C AmineCAS 88-53-9

4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acidCAS 130-23-4

1,3,6-Naphthalenetrisulfonic acid, 7-amino-CAS 118-03-6

Benzenesulfonic acid, 3,5-diamino-4-methyl-CAS 98-25-9

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

Catalog navigation

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

CAS 96-67-36-Amino-4-nitro-1-phenol-2-sulfonic acid CAS 88-53-9C Amine CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamate CAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acid CAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid CAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylate CAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 88-23-3

What are the key identifiers for 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid (CAS 88-23-3)?

3-Amino-5-chloro-2-hydroxybenzenesulfonic acid is identified by CAS 88-23-3, with molecular formula C6H6ClNO4S, molecular weight 223.63, InChIKey YCTAOQGPWNTYJE-UHFFFAOYSA-N.

Can I request a COA for CAS 88-23-3?

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

Can I request supplier SDS for 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid?

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

Is CAS 88-23-3 available for quotation?

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

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.

Catalog Facts

Structural features

3-Amino-5-chloro-2-hydroxybenzenesulfonic acid (CAS 88-23-3) is listed in the Materials Science portfolio, with molecular formula C6H6ClNO4S and molecular weight 223. 63 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.

Safety & Handling

Handling & Storage

Keep container tightly closed and dry.
Store in a well-ventilated place.
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.
Carbon monoxide, carbon dioxide, hydrogen chloride, nitrogen oxides, sulfur oxides.

Disposal

Waste product.
Dispose of remaining and non-recyclable solutions to a licensed company.

Show additional safety reference fields

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

3-Amino-5-chloro-2-hydroxybenzenesulfonic acid

Names & Synonyms

2-Amino-4-chlorophenol-6-sulfonic Acid6-Amino-4-chloro-1-phenol-2-sulfonic acid4-Chloro-2-aminophenol-6-sulfonic acidBenzenesulfonic acid, 3-amino-5-chloro-2-hydroxy-CCRIS 4580

Show all synonyms

External Identifiers

EC NUMBER: 201-813-5DSSTOX SUBSTANCE ID: DTXSID0024474CHEMBL ID: CHEMBL3184757UNII: 83IP35P6EZWIKIDATA ID: Q27269438

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

Text Reference Cues

Show non-linked catalog cues

Non-public related references

6-Amino-4-nitro-1-phenol-2-sulfonic acidCAS 96-67-3

C AmineCAS 88-53-9

4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acidCAS 130-23-4

1,3,6-Naphthalenetrisulfonic acid, 7-amino-CAS 118-03-6

Benzenesulfonic acid, 3,5-diamino-4-methyl-CAS 98-25-9

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

RFQ questions for CAS 88-23-3

What are the key identifiers for 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid (CAS 88-23-3)?

3-Amino-5-chloro-2-hydroxybenzenesulfonic acid is identified by CAS 88-23-3, with molecular formula C6H6ClNO4S, molecular weight 223.63, InChIKey YCTAOQGPWNTYJE-UHFFFAOYSA-N.

Can I request a COA for CAS 88-23-3?

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

Can I request supplier SDS for 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid?

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

Is CAS 88-23-3 available for quotation?

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

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.

3-Amino-5-chloro-2-hydroxybenzenesulfonic acid

Sourcing & RFQ

Available Options

Chemical Absolute Identifiers

Physical Properties

Catalog Facts

Applications & Classification

Safety & Handling

Handling & Storage

PPE

First Aid

Stability / Reactivity

Disposal

Fire Fighting

Accidental Release

Related Catalog Entries

RFQ questions for CAS 88-23-3

3-Amino-5-chloro-2-hydroxybenzenesulfonic acid

Sourcing & RFQ

Available Options

Chemical Absolute Identifiers

Physical Properties

Catalog Facts

Applications & Classification

Safety & Handling

Handling & Storage

PPE

First Aid

Stability / Reactivity

Disposal

Fire Fighting

Accidental Release

Related Catalog Entries

RFQ questions for CAS 88-23-3