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A16212 2',7'-Dichlorofluorescein

CAS Number

Stock No. Size Price ($) Quantity Availability
A16212-06 5g 48.40
A16212-14 25g 147.00
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Chemical Properties

Formula Weight
Melting point
>300° dec.
Storage & Sensitivity
Ambient temperatures.
Soluble in ethanol and methanol. Slightly dimethyl sulfoxide. Insoluble in water.


2',7'-Dichlorofluorescein is used as an indicator and as a cellular antioxidant activity. It is also used for the determination of carbohydrates and hydrogen peroxide by fluorescence densitometry and chemiluminescence respectively. It is used as an indicator for argentometry by Fajans method. It is also involved in the cellular antioxidant activity assay. It is utilized as an additive in fluorescence and laser studies.


As a fluorescent indicatorIncompatible with strong oxidizing agents.

Literature References

Liu, X. Y.; Liu, D. Y.; Qi, J.; Cui, Z. G.; Chang, H. X.; He, H. R.; Yang, G. M. A new fluorescent sensor for Cd2+ and its application in living cells imaging. Tetrahedron Lett. 2015, 56 (11), 1322-1327.

Kim, H. Y.; Im, H. G.; Chang, S. K. Colorimetric and fluorogenic signaling of fluoride ions by thiophosphinated dichlorofluorescein. Dyes Pigm. 2015, 112, 170-175.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335-H500

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May form combustible dust concentrations in air

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

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