Ammonium hexafluorosilicate
氟硅酸铵
Also known as: Ammonium silicofluoride, Ammonium fluorosilicate, Ammonium fluosilicate, Diammonium hexafluorosilicate, Cryptohalite, Cryptophthalite, Silicate(2-), hexafluoro-, ammonium (1:2)
Ammonium hexafluorosilicate (CAS 16919-19-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula F6H8N2Si and a molecular weight of 178.15300 g/mol. It is also known as Ammonium silicofluoride, Ammonium fluorosilicate and Ammonium fluosilicate. Key properties include a melting point of °Cd ec.) and a density of 2.01 g/mL at 25 °C(lit.). GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16919-19-0
- Jingsj CID
- J-49930-5
- Molecular Formula
- F6H8N2Si
- Chinese Name
- 氟硅酸铵
- Molecular Weight
- 178.15300 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | °Cd ec.) |
|---|---|
| Density | 2.01 g/mL at 25 °C(lit.) |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Ammonium hexafluorosilicate?
The CAS number of Ammonium hexafluorosilicate is 16919-19-0.
What are the molecular formula and molecular weight of Ammonium hexafluorosilicate?
Ammonium hexafluorosilicate has molecular formula F6H8N2Si and molecular weight 178.15300 g/mol.
Is Ammonium hexafluorosilicate hazardous?
Ammonium hexafluorosilicate has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ammonium hexafluorosilicate (CAS 16919-19-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49930-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.