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silicotungstic acid hydrate

Also known as: tungstosilicic acid hydrate, Tungstosilicic Acid Hydrate, Reagent Grade, silicic acid, 1,3,5-trioxa-2λ6,4λ6,6λ6-tritungstacyclohexane 2,2,4,4,6,6-hexaoxide, hydrate, Wolframosilicic acid hydrate

silicotungstic acid hydrate (CAS 12027-43-9) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H6O41SiW12 and a molecular weight of 2896.188 g/mol. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. It is listed by 2 suppliers, from 1.00 to 2.00 CNY. Record last updated Aug 21, 2026.

CAS No.
12027-43-9
Jingsj CID
J-922636-8
Molecular Formula
H6O41SiW12
Molecular Weight
2896.188 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
In Stock

Supplier Offers

2Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to OrderPlatform-operated
99%
500g
¥500.00
$0.15 /gBest
¥1.00/g CNY
CN China
MOQ 500g
In Stock
98%
100g
¥180.00
$0.27 /g
¥1.80/g CNY
CN China
MOQ 100g
In Stock
98%
25g
¥50.00
$0.3 /g
¥2.00/g CNY
CN China
MOQ 25g

Physicochemical Properties

Exact Mass2897.226074
PSA422.43000
Additional PropertyH2O: 0.1 g/mL, clear, colorless | Soluble in water.

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of silicotungstic acid hydrate?

The CAS number of silicotungstic acid hydrate is 12027-43-9.

What are the molecular formula and molecular weight of silicotungstic acid hydrate?

silicotungstic acid hydrate has molecular formula H6O41SiW12 and molecular weight 2896.188 g/mol.

Which suppliers offer silicotungstic acid hydrate?

2 supplier(s) listed; reference unit price ¥1.00–2.00 /g.

Is silicotungstic acid hydrate hazardous?

silicotungstic acid hydrate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated:

How to cite: Jingsj. "silicotungstic acid hydrate (CAS 12027-43-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-922636-8 (accessed 2026-11-06).

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