5-Nitrofluorescein
Also known as: 3',6'-Dihydroxy-5-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, 5-Nitrofluorescein (isomer I), Nitrofluorescein, isomer 1, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-5-nitro-
5-Nitrofluorescein (CAS 3326-35-0) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H11NO7 and a molecular weight of 377.304 g/mol. Key properties include a melting point of >300ºC, a boiling point of 694.9±55.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 374.1±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 3326-35-0
- Jingsj CID
- J-1990006-2
- Molecular Formula
- C20H11NO7
- Molecular Weight
- 377.304 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC |
|---|---|
| Boiling Point | 694.9±55.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 374.1±31.5 °C |
| Exact Mass | 377.053558 |
| PSA | 121.81000 |
| LogP | 2.44 |
| Vapor Pressure | 0.0±2.3 mmHg at 25°C |
| Refractive Index | 1.807 |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-Nitrofluorescein?
The CAS number of 5-Nitrofluorescein is 3326-35-0.
What are the molecular formula and molecular weight of 5-Nitrofluorescein?
5-Nitrofluorescein has molecular formula C20H11NO7 and molecular weight 377.304 g/mol.
What are the upstream and downstream products of 5-Nitrofluorescein?
For 5-Nitrofluorescein, Upstream Products: 4-Nitrophthalic acid, Resorcinol, 4-Nitrophthalic anhydride; Downstream Products: 5-Aminofluorescein, Fluorescein isothiocyanate isomer I.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Nitrofluorescein (CAS 3326-35-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990006-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.