2',7'-Dichlorofluorescein

2',7'-二氯荧光素

Also known as: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one, 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one, 2',7'-Dichloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one, Dichlorofluorescein

2',7'-Dichlorofluorescein (CAS 76-54-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H10Cl2O5 and a molecular weight of 401.196 g/mol. It is also known as 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one, 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one and 2',7'-Dichloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one. Key properties include a melting point of 280 °C (dec.)(lit.), a boiling point of 634.4±55.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 337.4±31.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

76-54-0

Jingsj CID

J-30105-9

Molecular Formula

C₂₀H₁₀Cl₂O₅

Chinese Name

2',7'-二氯荧光素

Molecular Weight

401.196 g/mol

Category

Organohalogen Compounds

Last updated

8/21/2026