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Sodium tungstate dihydrate

Also known as: Sodium tungstate 2-hydrate, Sodium tungstate(VI) dihydrate, Disodium dioxido(dioxo)tungsten dihydrate, Tungstic acid sodium salt dihydrate, Sodium tungstate hydrated

Sodium tungstate dihydrate (CAS 10213-10-2) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H4Na2O6W and a molecular weight of 329.848 g/mol. Key properties include a melting point of 698 °C(lit.) and a density of 4.18. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10213-10-2
Jingsj CID
J-1378228-0
Molecular Formula
H4Na2O6W
Molecular Weight
329.848 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point698 °C(lit.)
Density4.18
Exact Mass329.931213
PSA98.72000
Additional Property730 g/L (20 ºC)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code28418000

Frequently Asked Questions

What is the CAS number of Sodium tungstate dihydrate?

The CAS number of Sodium tungstate dihydrate is 10213-10-2.

What are the molecular formula and molecular weight of Sodium tungstate dihydrate?

Sodium tungstate dihydrate has molecular formula H4Na2O6W and molecular weight 329.848 g/mol.

Is Sodium tungstate dihydrate hazardous?

Sodium tungstate dihydrate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of Sodium tungstate dihydrate?

For Sodium tungstate dihydrate, Downstream Products: Tungsten, Ammonium tetrathiotungstate, Tetrahydro-3-thiopheneol 1,1-dioxide.

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

Last updated:

How to cite: Jingsj. "Sodium tungstate dihydrate (CAS 10213-10-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1378228-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.