2,2'-Dinaphthylamine
Also known as: N-(2-Naphthyl)-2-naphthalenamine, 2,2'-Iminodinaphthalene, Di(naphthalen-2-yl)amine, N,N-Di(2-naphthyl)amine, di-2-naphthylamine, β,β'-Dinaphthylamine, N-2-Naphthalenyl-2-naphthalenamine
2,2'-Dinaphthylamine (CAS 532-18-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C20H15N and a molecular weight of 269.340 g/mol. Key properties include a melting point of 174ºC, a boiling point of 471.0±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 268.5±15.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H410 — Very toxic to aquatic life with long lasting effects. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 532-18-3
- Jingsj CID
- J-23900-9
- Molecular Formula
- C20H15N
- Molecular Weight
- 269.340 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 174ºC |
|---|---|
| Boiling Point | 471.0±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 268.5±15.6 °C |
| Exact Mass | 269.120453 |
| PSA | 12.03000 |
| LogP | 5.43 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.752 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2921499090 |
|---|---|
| Summary | 2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,2'-Dinaphthylamine?
The CAS number of 2,2'-Dinaphthylamine is 532-18-3.
What are the molecular formula and molecular weight of 2,2'-Dinaphthylamine?
2,2'-Dinaphthylamine has molecular formula C20H15N and molecular weight 269.340 g/mol.
Which suppliers offer 2,2'-Dinaphthylamine?
1 supplier(s) listed; request a quote for pricing.
Is 2,2'-Dinaphthylamine hazardous?
2,2'-Dinaphthylamine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H410 — Very toxic to aquatic life with long lasting effects.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2'-Dinaphthylamine (CAS 532-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23900-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.