Nile Red
尼罗红
Also known as: 9-(Diethylamino)benzo[a]phenoxazin-5-one, 9-(Diethylamino)-5H-benzo[a]phenoxazin-5-one, Nile Blue A Oxazone, nile red dye
Nile Red (CAS 7385-67-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H18N2O2 and a molecular weight of 318.369 g/mol. It is also known as 9-(Diethylamino)benzo[a]phenoxazin-5-one, 9-(Diethylamino)-5H-benzo[a]phenoxazin-5-one and Nile Blue A Oxazone. Key properties include a melting point of 203-205 °C(lit.), a boiling point of 484.7±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 246.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7385-67-3
- Jingsj CID
- J-4569-4
- Molecular Formula
- C20H18N2O2
- Chinese Name
- 尼罗红
- Molecular Weight
- 318.369 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 203-205 °C(lit.) |
|---|---|
| Boiling Point | 484.7±45.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 246.9±28.7 °C |
| Exact Mass | 318.136841 |
| PSA | 46.34000 |
| LogP | 3.65 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.644 |
Activity & Biological Data
| Additional Information | [1]. Greenspan P, et al. Nile red: a selective fluorescent stain for intracellular lipid droplets. J Cell Biol. 1985 Mar;100(3):965-73. |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen 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 Nile Red?
The CAS number of Nile Red is 7385-67-3.
What are the molecular formula and molecular weight of Nile Red?
Nile Red has molecular formula C20H18N2O2 and molecular weight 318.369 g/mol.
What are the upstream and downstream products of Nile Red?
For Nile Red, Upstream Products: 1-Naphthol, 3-(Diethylamino)phenol, 5-(Diethylamino)-2-nitrosophenol hydrochloride.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Nile Red (CAS 7385-67-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4569-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.