Click Here for 5% Off Your First Aladdin Purchase!

Rose bengal - 90%, high purity , CAS No.632-69-9

  • ≥90%
Item Number
R104992
Grouped product items
SKUSizeAvailabilityPrice Qty
R104992-5g
5g
In stock
$48.90
R104992-25g
25g
In stock
$154.90

Potent glutamate uptake inhibitor. Photosensitizing dye.

Basic Description

Synonyms632-69-9|Xantryl|Food Red No. 105, sodium salt|PV 10|Rose Bengal (sodium salt)(1:2)|Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-, disodium salt|R105 sodium|(3-Oxo-6-oxido-2,4,5,7-tetraiodo-3h-
Specifications & Purity90%
Storage TempProtected from light,Desiccated
Shipped InNormal
Product Description

Product Description:
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. Product Application:
Rose Bengal is a red or rose color dye and is anionic in nature. It is a 4,5,6,7-tetrachloro 2′,4′,5′,7′-tetraiodo derivative of fluorescein. It is widely used to detect damage to the ocular surface epithelium in ocular surface diseases such as dry eye and herpetic keratitis. Rose Bengal has mild antiviral potency.Rose Bengal is used to stain dead and degenerating cells and mucus.

Names and Identifiers

IUPAC Name disodium;4,5,6,7-tetrachloro-2',4',5',7'-tetraiodo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
INCHI InChI=1S/C20H4Cl4I4O5.2Na/c21-9-7-8(10(22)12(24)11(9)23)20(33-19(7)31)3-1-5(25)15(29)13(27)17(3)32-18-4(20)2-6(26)16(30)14(18)28;;/h1-2,29-30H;;/q;2*+1/p-2
InChi Key KCQREHTWEUECQT-UHFFFAOYSA-L
Canonical 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+]
Isomeric 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+]
WGK Germany 3
RTECS LM5920000
PubChem CID 69438
Molecular Weight 1017.64
Beilstein 3645857

Certificates

Certificate of Analysis(COA)

Enter Lot Number to search for COA:

To view the certificate results,please click on a Lot number.For Lot numbers from past orders,please use our order status section

7 results found

Lot NumberCertificate TypeDateItem
K2321424Certificate of AnalysisNov 23, 2023 R104992
C23161485Certificate of AnalysisMar 23, 2023 R104992
C2317068Certificate of AnalysisMar 23, 2023 R104992
L2227112Certificate of AnalysisDec 30, 2022 R104992
L2227072Certificate of AnalysisDec 29, 2022 R104992
L2227082Certificate of AnalysisDec 29, 2022 R104992
L2227096Certificate of AnalysisDec 29, 2022 R104992

Chemical and Physical Properties

SensitivityLight sensitive.
Melt Point(°C)>300℃

Safety and Hazards(GHS)

WGK Germany 3
RTECS LM5920000

Related Documents

Solution Calculators