Arsenazo I Hydrate
Also known as: NEOTHORIN, Arsenazo I, Arsenazo I Hydrate, Disodium 3-[(o-arsonophenyl)azo]-4,5-dihydroxynaphthalene-2,7-disulphonate, 2-(o-Arsenophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic acid sodium salt, 2-(2-Arsonophenylazo)chromotropic acid disodium salt, Neothorin, Uranon, Arsenazo I Disodium Salt, Disodium 3-[(2-arsonophenyl)diazenyl]-4,5-dihydroxy-2,7-naphthalenedisulfonate, 2,7-Naphthalenedisulfonic acid, 3-[(E)-2-(2-arsonophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2), 2-Arsonophenylazochromotropic Acid Sodium Salt Hydrate
Arsenazo I Hydrate (CAS 3547-38-4) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H11AsN2Na2O11S2 and a molecular weight of 592.297 g/mol. Key property: a melting point of ≥300ºC(lit.). It is listed by 2 suppliers, 1 of which publish reference prices, from 118.44 to 261.00 CNY. Record last updated Nov 3, 2026.
- CAS No.
- 3547-38-4
- Jingsj CID
- J-1410631-6
- Molecular Formula
- C16H11AsN2Na2O11S2
- Molecular Weight
- 592.297 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >90.0%(T) 25g | ¥2,961.00 | $17.72 /gBest ¥118.44/g CNY | CN China MOQ 25g | |
In Stock | >90.0%(T) 1g | ¥261.00 | $39.06 /g ¥261.00/g CNY | CN China MOQ 1g | |
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | ≥300ºC(lit.) |
|---|---|
| Exact Mass | 591.881531 |
| PSA | 253.87000 |
| LogP | 2.19720 |
| Additional Property | methanol: 1 mg/mL, clear, red |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Arsenazo I Hydrate?
The CAS number of Arsenazo I Hydrate is 3547-38-4.
What are the molecular formula and molecular weight of Arsenazo I Hydrate?
Arsenazo I Hydrate has molecular formula C16H11AsN2Na2O11S2 and molecular weight 592.297 g/mol.
Which suppliers offer Arsenazo I Hydrate?
2 supplier(s) listed; reference unit price ¥118.44–261.00 /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. "Arsenazo I Hydrate (CAS 3547-38-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1410631-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.