Hexafluorosilicic acid
5 Inquiries
16961-83-4
industrial Grade
98%
SHANGHAI
KieRay Chem
25kg/drum
Yes
2022-12-31
fine chemicals,pharmaceutical materials
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Product Details
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceFluosilicic acid,H2SiF6, also known as hydrofluorosilicic acid,is a colorless liquid that is soluble in water. It is highly corrosive and toxic,attacking glass and stoneware. Fluosilicic acid is used in water fluoridation, electroplating, and in manufacturing enamels and cement. Fluorosilicic acid is a transparent, colorless fuming liquid.Hexafluorosilicic acid is a kind of inorganic acid. It is majorly used for the fluoridation of water in United State to minimize the incidence of dental caBasic Info
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Product Name:
Fluorosilicic acid
Other Name:Silicate(2-),hexafluoro-,hydrogen (1:2);Silicate(2-),hexafluoro-,dihydrogen;Fluosilicic acid;Dihydrogen hexafluorosilicate;Hexafluorosilicic acid;Hydrofluorosilicic acid;Fluorosilicic acid;Fluorosilicic acid (H2SiF6);Silicon hexafluoride dihydride;Dihydrogen hexafluorosilicate(2-);Hydrogen hexafluorosilicate (H2SiF6);NSC 16894;Hydrosilicofluoric acid;1309-45-1;12672-67-2;1202864-64-9
CAS No.:16961-83-4
Molecular Formula:F6Si.2H
InChIKeys:InChIKey=OHORFAFFMDIQRR-UHFFFAOYSA-P
Molecular Weight:144.09
Exact Mass:143.98300
EC Number:241-034-8
HScode:28111990
Categories:
Characteristics-
PSA:
0
XLogP3:2.36540
Appearance:Clear colorless Liquid
Density:1.22 g/mL at 25 °C
Melting Point:No melting point
Boiling Point:120 °C (approx)
Flash Point:108-109°C
Refractive Index:1.35
Water Solubility:H2O: 1 mg/mL, clear, colorless
Storage Conditions:−20°C
Vapor Pressure:see Notes
Toxicity:Hypodermic-Frog LDL0: 140 mg/kg
Flammability characteristics:Decomposition by heat produces toxic hydrogen fluoride gas
Hazard IdentificationClassification of the substance or mixture
Skin corrosion, Sub-category 1B
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H314 Causes severe skin burns and eye damage
Precautionary statement(s) Prevention P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P363 Wash contaminated clothing before reuse.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316 Get emergency medical help immediately.
P321 Specific treatment (see ... on this label).
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Separated from strong bases and food and feedstuffs. Well closed.
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Seller Information
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Business Type:
Manufactory
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Main Products:
fine chemicals,pharmaceutical materials
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Location:
Room 260, Building 3, No. 76 Xingqiao North Road, Xingqiao Street, Yuhang District, Hangzhou City, Zhejiang Province, China
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Payment Terms:
TT against copy of documents,L/C
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Average lead Time:
15 days
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
11-50
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Year of Establishment:
2020
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Inquiry History5 Inquiries
Country Product Purchase Quantity Date Posted 
United States
Hexafluorosilicic acid
200 MT Jan 17, 2026 
Chile
Hydrofluorosilicic Acid
1000 G Dec 24, 2025
United States
Fluorosilicic Acid
1 MT Nov 26, 2025 
Vietnam
Acid Fluorosilicic
18.00 TON Nov 3, 2023 
India
Fluorosilicic Acid
75000 MT Jan 1, 2024 Post an enquiry for this product
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