Difluoro{2-[1-(3,5-dimethyl-2H-pyrrol-2-ylidene-N)ethyl]-3,5-dimethyl-1H-pyrrolato-N}boron, 99% (HPLC)
- CAS
- 121207-31-6
- Formula
- C14H17BF2N2
- MW
- 262.11 g/mol
ZX-017420
Electronic, Semiconductor & OLED Materials
Fluosilicic acid
Available on request
Fluosilicic acid (CAS 16961-83-4) supplier Zemixal: F6H2Si, COA and SDS with every lot, worldwide shipping. Packs from 500 mL.
CAS number16961-83-4
FormulaF6H2Si
Molar mass144.09 g/mol
Physical formLiquid
HS code28111990
UN numberUN 1778
Purity33.5–35%
InChIKeyOHORFAFFMDIQRR-UHFFFAOYSA-P
IUPAC namehexafluorosilicon(2-);hydron
About Fluosilicic acid
Fluosilicic acid is part of the Zemixal electronic, Semiconductor & OLED Materials range. Key data (33.5–35%): CAS 16961-83-4, formula F6H2Si and molar mass 144.09 g/mol. Typical appearance is colourless to light yellow liquid.
Where it is used
- Semiconductor research
- Electronic devices
- Thin films
Handling and storage
Reported physical data: density 1.22 g/mL at 20 °C. Classified under GHS with signal word Danger and hazard statements H314. Read the SDS before first use. For transport it ships as UN UN 1778.
Available as 500 mL, 5 L and 45 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Semiconductor research
- Electronic devices
- Thin films
Applications
Specifications and identifiers
| Product name | Fluosilicic acid |
|---|---|
| Catalogue number | ZX-017421 |
| CAS number | 16961-83-4 |
| IUPAC name | hexafluorosilicon(2-);hydron |
| Molecular formula | F6H2Si |
| Molar mass | 144.09 g/mol |
| Exact mass | 143.983 |
| Purity / assay | 33.5–35% |
| Physical form | Liquid |
| Appearance | Colourless to light yellow liquid |
| Density | 1.22 g/mL at 20 °C |
| H-bond donors / acceptors | 2 / 7 |
| Topological polar surface area | 0 Ų |
| HS code | 28111990 |
| UN number | UN 1778 |
| InChIKey | OHORFAFFMDIQRR-UHFFFAOYSA-P |
| SMILES | [H+].[H+].F[Si-2](F)(F)(F)(F)F |
| PubChem CID | 21863527 |
| Synonyms | Fluorosilicic acid, Hexafluorosilicic acid, Hydrogen hexafluorosilicate, Hydrofluosilicic acid, Hydrofluorosilicic acid, Silicon hexafluoride dihydride, Fluorosilicic acid (H2SiF6), Silicate(2-), hexafluoro-, dihydrogen, Dihydrogen hexafluorosilicate(2-), Silicofluoric acid, Hexafluosilicic acid, Sand acid |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H314Causes severe skin burns and eye damage
Precautionary statements P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 mL | Quoted on request | |
| 5 L | Quoted on request | |
| 45 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Fluosilicic acid
Which CAS number identifies Fluosilicic acid?
Fluosilicic acid is registered under CAS 16961-83-4. You may also see it listed as Fluorosilicic acid, Hexafluorosilicic acid, Hydrogen hexafluorosilicate. Our catalogue number for this item is ZX-017421.
What are the formula and molar mass of Fluosilicic acid?
For Fluosilicic acid, its formula is F6H2Si and its molar mass is 144.09 g/mol. InChIKey OHORFAFFMDIQRR-UHFFFAOYSA-P lets you match it in any structure database.
What grade and pack sizes are available for Fluosilicic acid?
This listing is 33.5–35% purity. Standard packs are 500 mL, 5 L, 45 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Fluosilicic acid?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Fluosilicic acid to my country?
Yes. Because Fluosilicic acid is classed as hazardous (UN 1778), it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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