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Calcium hexafluorosilicate dihydrate

Also known as: Calcium hexafluorosilicate 2-hydrate, Calcium fluorosilicate dihydrate, Calcium hexafluorosilicate(2-) dihydrate, Silicate(2-), hexafluoro-, calcium (1:1), dihydrate

Calcium hexafluorosilicate dihydrate (CAS 16961-80-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula CaF6H4O2Si and a molecular weight of 218.18400 g/mol. It is listed by 2 suppliers, 1 of which publish reference prices, from 6.00 to 20.40 CNY. Record last updated Aug 21, 2026.

CAS No.
16961-80-1
Jingsj CID
J-1524996-6
Molecular Formula
CaF6H4O2Si
Molecular Weight
218.18400 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
In Stock

Supplier Offers

2Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
In Stock
99%
500g
¥3,000.00
$0.9 /gBest
¥6.00/g CNY
CN China
MOQ 500g
In Stock
99%
100g
¥890.00
$1.33 /g
¥8.90/g CNY
CN China
MOQ 100g
In Stock
99%
25g
¥302.00
$1.81 /g
¥12.08/g CNY
CN China
MOQ 25g

Physicochemical Properties

Exact Mass217.95100
PSA18.46000
LogP2.01180

Frequently Asked Questions

What is the CAS number of Calcium hexafluorosilicate dihydrate?

The CAS number of Calcium hexafluorosilicate dihydrate is 16961-80-1.

What are the molecular formula and molecular weight of Calcium hexafluorosilicate dihydrate?

Calcium hexafluorosilicate dihydrate has molecular formula CaF6H4O2Si and molecular weight 218.18400 g/mol.

Which suppliers offer Calcium hexafluorosilicate dihydrate?

2 supplier(s) listed; reference unit price ¥6.00–20.40 /g.

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

Last updated:

How to cite: Jingsj. "Calcium hexafluorosilicate dihydrate (CAS 16961-80-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524996-6 (accessed 2026-11-06).

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