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2',7'-Dichlorodihydrofluorescein diacetate

2',7'-二氯二氢荧光素二乙酸酯

Also known as: DCFH-DA, H2DCFDA, 2,7-Dichlorodihydrofluorescein diacetate, 2,7-Dichlorofluorescin diacetate, 2-(3,6-diacetoxy-2,7-dichloro-9H-xanthen-9-yl)benzoic acid, Leucodiacetyldichlorofluorescein, MFCD00128955

2',7'-Dichlorodihydrofluorescein diacetate (CAS 4091-99-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H16Cl2O7 and a molecular weight of 487.286 g/mol. It is also known as DCFH-DA, H2DCFDA and 2,7-Dichlorodihydrofluorescein diacetate. Key properties include a melting point of 209-210ºC(lit.), a boiling point of 593.5±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 312.7±30.1 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4091-99-0
Jingsj CID
J-22886-6
Molecular Formula
C24H16Cl2O7
Chinese Name
2',7'-二氯二氢荧光素二乙酸酯
Molecular Weight
487.286 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point209-210ºC(lit.)
Boiling Point593.5±50.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point312.7±30.1 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2',7'-Dichlorodihydrofluorescein diacetate?

The CAS number of 2',7'-Dichlorodihydrofluorescein diacetate is 4091-99-0.

What are the molecular formula and molecular weight of 2',7'-Dichlorodihydrofluorescein diacetate?

2',7'-Dichlorodihydrofluorescein diacetate has molecular formula C24H16Cl2O7 and molecular weight 487.286 g/mol.

Is 2',7'-Dichlorodihydrofluorescein diacetate hazardous?

2',7'-Dichlorodihydrofluorescein diacetate has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2',7'-Dichlorodihydrofluorescein diacetate (CAS 4091-99-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22886-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.