4-phenylazo-1-naphthylamine
Also known as: 4-(phenylazo)-1-naphthalenamine, 4-(phenyldiazenyl)naphthalen-1-amine, 4-Benzeneazo-1-naphthylamine, 4-Benzene-azo-α-naphthylamine, Naphthyl Red, Solvent Yellow 4, C.I. Solvent Yellow 4, CI NO 11350, Nubian Yellow TB, AURORA KA-7777, MFCD00004025, Naphthylrot
4-phenylazo-1-naphthylamine (CAS 131-22-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C16H13N3 and a molecular weight of 247.29500 g/mol. Key properties include a boiling point of 451.4ºC at 760mmHg, a density of 1.17g/cm3 and a flash point of 226.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 131-22-6
- Jingsj CID
- J-11293-6
- Molecular Formula
- C16H13N3
- Molecular Weight
- 247.29500 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 451.4ºC at 760mmHg |
|---|---|
| Density | 1.17g/cm3 |
| Flash Point | 226.8ºC |
| Exact Mass | 247.11100 |
| PSA | 50.74000 |
| LogP | 5.41860 |
| Vapor Pressure | 2.45E-08mmHg at 25°C |
| Refractive Index | 1.647 |
Customs & Trade Information
| HS Code | 2927000090 |
|---|---|
| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-phenylazo-1-naphthylamine?
The CAS number of 4-phenylazo-1-naphthylamine is 131-22-6.
What are the molecular formula and molecular weight of 4-phenylazo-1-naphthylamine?
4-phenylazo-1-naphthylamine has molecular formula C16H13N3 and molecular weight 247.29500 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-phenylazo-1-naphthylamine (CAS 131-22-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11293-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.