![Molecular structure of 3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine (CAS 13138-48-2)](/images/chem_structures_svg/010/13138-48-2.svg)
3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine
Also known as: 3,3'-Dimethylnaphthidine, 4,4'-Diamino-3,3'-dimethyl-1,1'-binaphthyl, 1,1'-Binaphthalene-4,4'-diamine, 3,3'-dimethyl-
3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine (CAS 13138-48-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C22H20N2 and a molecular weight of 312.40800 g/mol. Key properties include a melting point of 232 °C, a boiling point of 479.3ºC at 760 mmHg, a density of 1.201g/cm3 and a flash point of 292.7ºC. It is listed by 1 supplier, from 160.84 to 246.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 13138-48-2
- Jingsj CID
- J-938363-2
- Molecular Formula
- C22H20N2
- Molecular Weight
- 312.40800 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | ≥97% 25g | ¥4,021.00 | $24.07 /gBest ¥160.84/g CNY | CN China MOQ 25g | |
In Stock | ≥97% 5g | ¥1,007.00 | $30.14 /g ¥201.40/g CNY | CN China MOQ 5g | |
In Stock | ≥97% 1g | ¥246.00 | $36.81 /g ¥246.00/g CNY | CN China MOQ 1g |
Physicochemical Properties
| Melting Point | 232 °C |
|---|---|
| Boiling Point | 479.3ºC at 760 mmHg |
| Density | 1.201g/cm3 |
| Flash Point | 292.7ºC |
| Exact Mass | 312.16300 |
| PSA | 52.04000 |
| LogP | 6.60360 |
| Vapor Pressure | 2.4E-09mmHg at 25°C |
| Refractive Index | 1.737 |
Customs & Trade Information
| HS Code | 2921590090 |
|---|---|
| Summary | 2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine?
The CAS number of 3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine is 13138-48-2.
What are the molecular formula and molecular weight of 3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine?
3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine has molecular formula C22H20N2 and molecular weight 312.40800 g/mol.
Which suppliers offer 3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine?
1 supplier(s) listed; reference unit price ¥160.84–246.00 /g.
What are the upstream and downstream products of 3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine?
For 3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine, Upstream Products: 2-Methyl-1-naphthalenamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3'-Dimethyl-[1,1'-binaphthalene]-4,4'-diamine (CAS 13138-48-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-938363-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.