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632-69-9 - Rose Bengal - Acid Red 94 - C.I. 45440 - A17053 - Alfa Aesar

A17053 Rose Bengal

Codice CAS
632-69-9
Sinonimi
Acid Red 94
C.I. 45440

Dimensioni Prezzo ($) Quantità Disponibilità
25g 40,40
100g 122,00
500g 472,00
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Rose Bengal

MDL
MFCD00151169
EINECS
211-183-3

Proprietà chimiche

Formula
C20H2Cl4I4Na2O5
Peso formula
1017.65
Punto di fusione
>300°
Sensibilità
Light Sensitive
Solubilità
Soluble in water.

Applicazioni

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.

Note

Incompatible with strong oxidizing agents.

Letteratura

Yuan, K.; Wang, J.; Zhai, H.; Chen, Z.; Huang, L.; Su, Z. Sensitive determination of rose bengal in brown sugar by a molecularly imprinted solid-phase extraction monolithic capillary column coupled with capillary electrophoresis. Anal. Methods 2015, 7 (19), 8297-8303.

Lee, J. S.; Lee, B. I.; Park, C. B. Photo-induced inhibition of Alzheimer's beta-amyloid aggregation in vitro by rose bengal. Biomater. 2015, 38, 43-49.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Dichiarazioni precauzionali: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,8262
Beilstein
3645857
Codice tariffe armonizzato
3204.12
TSCA
Yes
RTECS
LM5920000

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