2',7'-Dichlorofluorescein
[CAS# 76-54-0]

Identification

• Classification: Analytical chemistry >> Analytical reagent >> Common analytical reagents
• Name: 2',7'-Dichlorofluorescein
• Synonyms: 2',7'-Dichlorofluoresceine; D and C Orange 25; D and C Orange No. 25; Dichlorofluorescein; Fluorescein 27; Fluorescein 548
• Molecular Formula: C₂₀H₁₀Cl₂O₅
• Molecular Weight: 401.20
• CAS Registry Number: 76-54-0
• EC Number: 200-968-6

Properties

• Solubility: Insoluble (6.0E^-4 g/L) (25 ºC), Calc.^*
• Density: 1.75±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

Safety Data

• Hazard Symbols: F;Xi
• Risk Codes: R11;R36;R67
• Safety Description: S16;S26

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Specific target organ toxicity - single exposure	STOT SE	3	H336

• Transport Information: UN 1219 3 / PGII