iodous acid
Also known as: HIO2, HOIO, Triiodine hydroxide heptaoxide, hydroxidooxidoiodine
iodous acid (CAS 12134-99-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula HIO2 and a molecular weight of 159.91000 g/mol. Key properties include a melting point of 110ºC and a density of 4.62. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 12134-99-5
- Jingsj CID
- J-1337440-2
- Molecular Formula
- HIO2
- Molecular Weight
- 159.91000 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 110ºC |
|---|---|
| Density | 4.62 |
| Exact Mass | 175.89700 |
| PSA | 54.37000 |
| LogP | 0.47130 |
Frequently Asked Questions
What is the CAS number of iodous acid?
The CAS number of iodous acid is 12134-99-5.
What are the molecular formula and molecular weight of iodous acid?
iodous acid has molecular formula HIO2 and molecular weight 159.91000 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. "iodous acid (CAS 12134-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1337440-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.