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Thermo Scientific Chemicals Rose Bengal

Catalog No. AAA1705314
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Quantity:
25 g
100 g
500 g

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.
TRUSTED_SUSTAINABILITY

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

RUO – Research Use Only

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