3,4,5,6-Tetrachlorofluorescein

3,4,5,6-四氯荧光素

Also known as: Tetrachlorofluorescein, 4,5,6,7-Tetrachlorofluorescein, 4,5,6,7-Tetrachloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one, EINECS 228-413-3, MFCD00010030

3,4,5,6-Tetrachlorofluorescein (CAS 6262-21-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H8Cl4O5 and a molecular weight of 470.08700 g/mol. It is also known as Tetrachlorofluorescein, 4,5,6,7-Tetrachlorofluorescein and 4,5,6,7-Tetrachloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one. Key properties include a melting point of 189.5 °C (dec.)(lit.), a boiling point of 725.6ºC at 760 mmHg, a density of 0.99 g/mL at 25 °C and a flash point of 101-157°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6262-21-1

Jingsj CID

J-30705-5

Molecular Formula

C₂₀H₈Cl₄O₅

Chinese Name

3,4,5,6-四氯荧光素

Molecular Weight

470.08700 g/mol

Category

Organohalogen Compounds

Last updated

8/21/2026