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Thermo Scientific Chemicals Rose Bengal

Catalog No. AAA1705314
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Rose Bengal is a stain used in the eye drops to identify the eye damage. It finds application in the preparation of foraminifera for microscopic analysis, photosensitizing reactions and as a dye. In synthetic chemistry, it is utilized to convert triplet oxygen to singlet oxygen, which is used in [2+2] cycloadditions with alkenes. Its derivatives have important medical functions and used for the treatment of cancer. It acts as an alternative to phloxine B in Kreyberg's stain for keratin and mucus. As a fluorescent probe, it is used for the determination of NAD binding sites of alcohol dehydrogenase.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Solubility
Soluble in water.

Notes
Incompatible with strong oxidizing agents.

Chemical Identifiers

CAS

632-69-9

Molecular Formula

C20H4Cl4I4Na2O5

Molecular Weight (g/mol)

1019.644

MDL Number

MFCD00151169

InChI Key

DPBQSRZQYAYDGY-UHFFFAOYSA-N

Synonym

rose bengal disodium salt, r105 sodium, rose bengal sodium, rose-bengal 131 i natrium, food red no. 105, sodium salt, food red color no. 105, sodium salt, rosa bengala sodica 131 i inn-spanish, rose bengale 131 i sodique inn-french, sel disodique de rose bengale iodee 131 i, roseum bengalense 131 i natricum inn-latin

PubChem CID

87244310

IUPAC Name

sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one

SMILES

C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]

Specifications

Melting Point

>300°C

Quantity

25 g

Beilstein

3645857

Sensitivity

Light sensitive

Merck Index

14,8262

Solubility Information

Soluble in water.

Formula Weight

1017.65

Chemical Name or Material

Rose Bengal

Hazard Category

Warning

Hazard Statement

GHS H Statement
H315-H319-H335

Precautionary Statement

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

EINECSNumber

211-183-3

RTECSNumber

LM5920000

TSCA

Yes

Recommended Storage

Ambient temperatures
SDS

RUO – Research Use Only

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