Basic Blue 26
Also known as: Victoria Blue B, C.I. Basic Blue 26, C.I. 44045, [4-[[4-Anilino-1-naphthyl][4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride, N-[4-[[4-(Dimethylamino)phenyl][4-(phenylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methylmethanaminium chloride, Victoria Pure Blue B, Corn blue BN, Hecto Blue B, Flexo Blue 640, Symulex Blue BOF, ADC Victoria Blue B, Aizen Victoria Blue BH, Calcozine Blue B, Hidaco Victoria Blue B, Mitsui Victoria Blue B, Tertrophene Blue
Basic Blue 26 (CAS 2580-56-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C33H32ClN3 and a molecular weight of 506.080 g/mol. Key properties include a melting point of 206 °C (dec.)(lit.), a boiling point of 620.4ºC at 760mmHg and a flash point of 70ºC. It is listed by 1 supplier, from 1.52 to 8.20 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 2580-56-5
- Jingsj CID
- J-1098774-6
- Molecular Formula
- C33H32ClN3
- Molecular Weight
- 506.080 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | BS 25g | ¥38.00 | $0.23 /gBest ¥1.52/g CNY | CN China MOQ 25g | |
In Stock | 高纯级，80% 100g | ¥628.00 | $0.94 /g ¥6.28/g CNY | CN China MOQ 100g | |
In Stock | 高纯级，80% 25g | ¥176.00 | $1.05 /g ¥7.04/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 206 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 620.4ºC at 760mmHg |
| Flash Point | 70ºC |
| Exact Mass | 505.228485 |
| PSA | 18.28000 |
| LogP | 4.36740 |
| Additional Property | SOLUBLE IN HOT WATER |
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 Basic Blue 26?
The CAS number of Basic Blue 26 is 2580-56-5.
What are the molecular formula and molecular weight of Basic Blue 26?
Basic Blue 26 has molecular formula C33H32ClN3 and molecular weight 506.080 g/mol.
Which suppliers offer Basic Blue 26?
1 supplier(s) listed; reference unit price ¥1.52–8.20 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Basic Blue 26 (CAS 2580-56-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1098774-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.