Arsenazo I trisodium salt
Also known as: Arsenazo I, Uranon, Neothorin trisodium salt, Trisodium 3-[(o-arsonatophenyl)azo]-4,5-dihydroxynaphthalene-2,7-disulphonate, 2-(1,8-Dihydroxy-3,6-disulfo-2-naphthylazo)benzenearsonic acid trisodium salt, Neothorin, Neothoron, Neothovin, MFCD00066725, Einecs 266-069-6
Arsenazo I trisodium salt (CAS 66019-20-3) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H10AsN2Na3O11S2 and a molecular weight of 614.278 g/mol. Key property: a melting point of 171-175ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66019-20-3
- Jingsj CID
- J-1088944-4
- Molecular Formula
- C16H10AsN2Na3O11S2
- Molecular Weight
- 614.278 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 171-175ºC |
|---|---|
| Exact Mass | 613.863525 |
| PSA | 256.70000 |
| LogP | 3.41620 |
Frequently Asked Questions
What is the CAS number of Arsenazo I trisodium salt?
The CAS number of Arsenazo I trisodium salt is 66019-20-3.
What are the molecular formula and molecular weight of Arsenazo I trisodium salt?
Arsenazo I trisodium salt has molecular formula C16H10AsN2Na3O11S2 and molecular weight 614.278 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Arsenazo I trisodium salt (CAS 66019-20-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088944-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.