![Molecular structure of 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2) (CAS 5858-33-3)](/images/chem_structures_svg/461/5858-33-3.svg)
2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2)
Also known as: BORDEAUX RED, ACID RED 17, BORDEAUX R, BORDEAUX B, FAST RED B, AZO BORDEAUX, BORDEAUX, ACID BORDEAUX, ACID BORDEAUX A, ACID BORDEAUX B, ACID BORDEAUX BN, ACID BORDEAUX MB, ACILAN BORDEAUX B, BORDEAUX RED B, CI 16180, CI NO 16180, MFCD00003887, EINECS 227-489-5
2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2) (CAS 5858-33-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H12N2Na2O7S2 and a molecular weight of 502.42800 g/mol. It is listed by 1 supplier, from 1.44 to 1.44 CNY per 25g. Record last updated Aug 21, 2026.
- CAS No.
- 5858-33-3
- Jingsj CID
- J-11294-7
- Molecular Formula
- C20H12N2Na2O7S2
- Molecular Weight
- 502.42800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | BS 25g | ¥36.00 | $0.22 /gBest ¥1.44/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Exact Mass | 501.98800 |
|---|---|
| PSA | 176.11000 |
| LogP | 6.08380 |
Frequently Asked Questions
What is the CAS number of 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2)?
The CAS number of 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2) is 5858-33-3.
What are the molecular formula and molecular weight of 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2)?
2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2) has molecular formula C20H12N2Na2O7S2 and molecular weight 502.42800 g/mol.
Which suppliers offer 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2)?
1 supplier(s) listed; reference unit price ¥1.44–1.44 /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. "2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2) (CAS 5858-33-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11294-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.