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sodium paraperiodate

仲高碘酸钠

Also known as: Periodic acid (H5IO6), trisodium salt, Trisodium paraperiodate, Trisodium dihydrogen orthoperiodate, Sodium dihydroparaperiodate, Sodium triparaperiodate, Periodic acid trisodium salt

sodium paraperiodate (CAS 13940-38-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H2INa3O6 and a molecular weight of 293.88600 g/mol. It is also known as Periodic acid (H5IO6), trisodium salt, Trisodium paraperiodate and Trisodium dihydrogen orthoperiodate. Key properties include a melting point of >310°C and a density of 3.86. It is classified under GHS with signal word Danger and hazard statements H272, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13940-38-0
Jingsj CID
J-15519-1
Molecular Formula
H2INa3O6
Chinese Name
仲高碘酸钠
Molecular Weight
293.88600 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>310°C
Density3.86
Exact Mass293.85900
PSA126.71000
LogP0.05690

GHS Safety & Compliance

Oxidising / IrritantSignal word: Danger
  • H272
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of sodium paraperiodate?

The CAS number of sodium paraperiodate is 13940-38-0.

What are the molecular formula and molecular weight of sodium paraperiodate?

sodium paraperiodate has molecular formula H2INa3O6 and molecular weight 293.88600 g/mol.

Is sodium paraperiodate hazardous?

sodium paraperiodate has GHS signal word Danger and hazard statements H272; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "sodium paraperiodate (CAS 13940-38-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15519-1 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.