6-Aminofluorescein
6-氨基荧光素
Also known as: Fluoresceinamine isomer II, 6-Amino-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6-amino-3',6'-dihydroxy-, Fluoresceinamine, isomer II
6-Aminofluorescein (CAS 51649-83-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H13NO5 and a molecular weight of 347.321 g/mol. It is also known as Fluoresceinamine isomer II, 6-Amino-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one and Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6-amino-3',6'-dihydroxy-. Key properties include a melting point of 285 °C (dec.)(lit.), a boiling point of 706.7±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 381.2±32.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51649-83-3
- Jingsj CID
- J-32488-5
- Molecular Formula
- C20H13NO5
- Chinese Name
- 6-氨基荧光素
- Molecular Weight
- 347.321 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 285 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 706.7±60.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 381.2±32.9 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 6-Aminofluorescein?
The CAS number of 6-Aminofluorescein is 51649-83-3.
What are the molecular formula and molecular weight of 6-Aminofluorescein?
6-Aminofluorescein has molecular formula C20H13NO5 and molecular weight 347.321 g/mol.
Is 6-Aminofluorescein hazardous?
6-Aminofluorescein 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. "6-Aminofluorescein (CAS 51649-83-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32488-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.