Difetarsone
Also known as: As,As′-[1,2-Ethanediylbis(imino-4,1-phenylene)]bisarsonic acid, Bemarsal, Difetarsona, Difetarsonum, Diphetarson, Diphetarsone, N,N'-Ethylenediarsanilic acid, RP 4763, [4-[2-(4-arsonoanilino)ethylamino]phenyl]arsonic acid
Difetarsone (CAS 3639-19-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H18As2N2O6 and a molecular weight of 460.14600 g/mol. Key properties include a boiling point of 870.1ºC at 760 mmHg and a flash point of 480ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3639-19-8
- Jingsj CID
- J-1434254-3
- Molecular Formula
- C14H18As2N2O6
- Molecular Weight
- 460.14600 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 870.1ºC at 760 mmHg |
|---|---|
| Flash Point | 480ºC |
| Exact Mass | 459.96000 |
| PSA | 139.12000 |
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 Difetarsone?
The CAS number of Difetarsone is 3639-19-8.
What are the molecular formula and molecular weight of Difetarsone?
Difetarsone has molecular formula C14H18As2N2O6 and molecular weight 460.14600 g/mol.
What are the upstream and downstream products of Difetarsone?
For Difetarsone, Upstream Products: Arsanilic acid, 1,2-Dibromoethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Difetarsone (CAS 3639-19-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1434254-3 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.