Beryllon II
Also known as: 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(8-hydroxy-3,6-disulfo-1-naphthalenyl)azo]-, tetrasodium salt, 4,5,5'-Trihydroxy-3,4'-azodi-2,7-naphthalenedisulfonic acid tetrasodium salt, 8-(1,8-Dihydroxy-3,6-disulfo-2-naphthylazo)-1-naphthol-3,6-disulfonic acid tetrasodium salt, Tetrasodium 4,5-dihydroxy-3-[(E)-(8-hydroxy-3,6-disulfonato-1-naphthyl)diazenyl]-2,7-naphthalenedisulfonate, Beryllion, Berillon II, Beryllon II, Beryllon 2
Beryllon II (CAS 51550-25-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H10N2Na4O15S4 and a molecular weight of 738.517 g/mol. It is listed by 3 suppliers, 2 of which publish reference prices, from 2.05 to 68.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 51550-25-5
- Jingsj CID
- J-30923-7
- Molecular Formula
- C20H10N2Na4O15S4
- Molecular Weight
- 738.517 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 10g | ¥20.50 | $0.31 /gBest ¥2.05/g CNY | CN China MOQ 10g | |
In Stock | 试剂级 100g | ¥3,600.00 | $5.39 /g ¥36.00/g CNY | CN China MOQ 100g | |
In Stock | 试剂级 25g | ¥1,100.00 | $6.58 /g ¥44.00/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Exact Mass | 737.855469 |
|---|---|
| PSA | 347.73000 |
| LogP | 5.46480 |
Activity & Biological Data
| Additional Information | [1]. Dong L, et al. Study of the reaction of proteins with Beryllon II-AlIII by the Rayleigh light scattering technique and its application. Analyst. 2001 May;126(5):707-11. |
|---|
Frequently Asked Questions
What is the CAS number of Beryllon II?
The CAS number of Beryllon II is 51550-25-5.
What are the molecular formula and molecular weight of Beryllon II?
Beryllon II has molecular formula C20H10N2Na4O15S4 and molecular weight 738.517 g/mol.
Which suppliers offer Beryllon II?
3 supplier(s) listed; reference unit price ¥2.05–68.00 /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. "Beryllon II (CAS 51550-25-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30923-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.