Arsinic acid
次砷酸
Also known as: Arsinic acid (9CI), HAsH2O2, [AsH2O(OH)], dihydridohydroxidooxidoarsenic, Arsinsaure
Arsinic acid (CAS 25666-20-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula HAsH2O2 and a molecular weight of 108.93600 g/mol. It is also known as Arsinic acid (9CI), HAsH2O2 and [AsH2O(OH)]. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 25666-20-0
- Jingsj CID
- J-1319106-1
- Molecular Formula
- HAsH2O2
- Chinese Name
- 次砷酸
- Molecular Weight
- 108.93600 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Arsinic acid?
The CAS number of Arsinic acid is 25666-20-0.
What are the molecular formula and molecular weight of Arsinic acid?
Arsinic acid has molecular formula HAsH2O2 and molecular weight 108.93600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Arsinic acid (CAS 25666-20-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1319106-1 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.