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Home/Compounds/CAS 11121-48-5
Formula C20H2Cl4I4K2O5MW 1049.8Research-use catalog entryCOA/SDS by request

Rose Bengal

CAS Number: 11121-48-5

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Loading RDKit molecule structure...
InChIKey: AZJPTIGZZTZIDR-UHFFFAOYSA-LC20H2Cl4I4K2O5 | MW 1049.8

Chemical Absolute Identifiers

CAS Number

11121-48-5

PubChem CID

25473

Molecular Formula

C20H2Cl4I4K2O5

Molecular Weight

1049.8 g/mol

Exact Mass

1049.408

InChIKey

AZJPTIGZZTZIDR-UHFFFAOYSA-L

IUPAC Name

dipotassium;2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl)benzoate

SMILES String

C1=C2C(=C3C=C(C(=O)C(=C3OC2=C(C(=C1I)[O-])I)I)I)C4=C(C(=C(C(=C4Cl)Cl)Cl)Cl)C(=O)[O-].[K+].[K+]

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

Rose Bengal (CAS 11121-48-5) is listed in the Materials Science portfolio, with molecular formula C20H2Cl4I4K2O5 and molecular weight 1049. 80 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

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

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  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity and reaction.

Disposal

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

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Accidental Release

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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

Rose Bengal

Names & Synonyms

Bengal roseRed No. 105C. I. 45440C.I. 45440Bengal, Rose
Show all synonyms
Food red dye 105Rose bengaleC.I. Acid Red 94rose bengal potassiumdipotassium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoateBenzoic acid, 2,3,4,5-tetrachloro-6-(6-hydroxy-2,4,5,7-tetraiodo-3-oxo-3H-xanthen-9-yl)-, dipotassium saltCCRIS 9135Food red no 105ROSE BENGALE BROSE BENGAL [MI]ROSE BENGAL [VANDF]ROSE BENGAL [WHO-DD]C. I. ACID RED 94CI 454404,5,6,7-TETRACHLORO-2',4',5',7'-TETRAIODOFLUORESCEIN DIPOTASSIUM SALT
External Identifiers
EC NUMBER: 601-063-2DSSTOX SUBSTANCE ID: DTXSID601015268CHEMBL ID: CHEMBL1160160CHEMBL ID: CHEMBL594741CHEBI ID: CHEBI:52261UNII: 1ZPG1ELY14DRUGBANK ID: DB11182NCI THESAURUS CODE: C223450WIKIDATA ID: Q27887647
Literature & Patent References
DOI 10.1016/j.bmc.2009.09.048Synthesis of tetraglucosyl- and tetrapolyamine-tetrabenzoporphyrin conjugates for an application in PDT.PMID 19819704Synthesis of tetraglucosyl- and tetrapolyamine-tetrabenzoporphyrin conjugates for an application in PDT.

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

Sodium FluoresceinCAS 518-47-8

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 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 11121-48-5

What are the key identifiers for Rose Bengal (CAS 11121-48-5)?

Rose Bengal is identified by CAS 11121-48-5, with molecular formula C20H2Cl4I4K2O5, molecular weight 1049.8, InChIKey AZJPTIGZZTZIDR-UHFFFAOYSA-L.

Can I request a COA for CAS 11121-48-5?

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

Can I request supplier SDS for Rose Bengal?

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

Is CAS 11121-48-5 available for quotation?

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

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