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3',6'-diaminospiro[2-benzofuran-3,9'-xanthene]-1-one

3',6'-二氨基荧烷

Also known as: 3',6'-Diaminofluoran, 3',6'-Fluorandiamine, Fluoran,3',6'-diamino, 3',6'-Diamino-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-diamino-

3',6'-diaminospiro[2-benzofuran-3,9'-xanthene]-1-one (CAS 509-72-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H14N2O3 and a molecular weight of 330.337 g/mol. It is also known as 3',6'-Diaminofluoran, 3',6'-Fluorandiamine and Fluoran,3',6'-diamino. Key properties include a boiling point of 620.7±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 317.6±27.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
509-72-8
Jingsj CID
J-1398947-1
Molecular Formula
C20H14N2O3
Chinese Name
3',6'-二氨基荧烷
Molecular Weight
330.337 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point620.7±55.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point317.6±27.8 °C

Frequently Asked Questions

What is the CAS number of 3',6'-diaminospiro[2-benzofuran-3,9'-xanthene]-1-one?

The CAS number of 3',6'-diaminospiro[2-benzofuran-3,9'-xanthene]-1-one is 509-72-8.

What are the molecular formula and molecular weight of 3',6'-diaminospiro[2-benzofuran-3,9'-xanthene]-1-one?

3',6'-diaminospiro[2-benzofuran-3,9'-xanthene]-1-one has molecular formula C20H14N2O3 and molecular weight 330.337 g/mol.

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

Last updated:

How to cite: Jingsj. "3',6'-diaminospiro[2-benzofuran-3,9'-xanthene]-1-one (CAS 509-72-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1398947-1 (accessed 2026-10-25).

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