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Scapex Exports — chemical manufacturer, supplier and exporter
Mineral Acids

Fluorosilicic Acid

Manufacturer & Supplier — CAS 16961-83-4. Supplied ex-India in export-compliant packing with Certificate of Analysis, Material Safety Data Sheet and complete shipping documentation.

Fluorosilicic Acid — representative photo: clear to straw colored liquid
Clear to straw colored liquid · 23% Technical
Standard export packing, India origin
Representative image — actual appearance may vary
Structural Formula
fluorosilicic-acid molecular structure
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Applications

  • Water fluoridation
  • Metal surface treatment
  • Bulk industrial supply for acids & alkalis applications

Product Information

CAS Number
16961-83-4
Molecular Formula
H2F6Si
Molecular Weight
144.09 g/mol
Appearance
Clear to straw colored liquid
Grade / Purity
23% Technical
Density
Density @ 17.5 °C: 5% solution, 1.0407; 10% solution, 1.0834; 15% solution, 1.1281; 20% solution, 1.1748; 25% solution, 1.2235; 30% solution, 1.2742; 34% solution, 1.3…
Boiling Point
212 °F at 760 mmHg (water) approx. (USCG, 1999)
Primary Application
Water fluoridation, metal surface treatment
Product Group
Mineral Acids

Product Description

Scapex Exports Pvt. Ltd., Ahmedabad, Gujarat, is actively engaged as a manufacturer, supplier and exporter of a wide range of Fluorosilicic Acid, which includes 23% Technical material for mineral acids applications.

Fluorosilicic Acid is manufactured and supplied by Scapex Exports Pvt. Ltd. as clear to straw colored liquid conforming to 23% Technical. The material is sourced from audited manufacturing partners in India, released against a batch Certificate of Analysis and packed for international freight in the pack sizes your process requires.

Within our acids & alkalis range this product sits under Mineral Acids, and is used principally in water fluoridation, metal surface treatment. Every consignment ships with the documentation set required for customs clearance and incoming-goods inspection at destination.

Fluorosilicic Acid is also known as (synonyms): H2F6Si, CAS 16961-83-4.

Specification

Product NameFluorosilicic Acid
C.A.S. Number16961-83-4
Molecular FormulaH2F6Si
Molecular Weight144.09 g/mol
DensityDensity @ 17.5 °C: 5% solution, 1.0407; 10% solution, 1.0834; 15% solution, 1.1281; 20% solution, 1.1748; 25% solution, 1.2235; 30% solution, 1.2742; 34% solution, 1.3…
Boiling Point212 °F at 760 mmHg (water) approx. (USCG, 1999)
Melting Point-4 °F (USCG, 1999)
CategoryAcids & Alkalis
Product GroupMineral Acids
Grade / Purity23% Technical
AppearanceClear to straw colored liquid
Primary ApplicationWater fluoridation, metal surface treatment
GHS ClassificationCorrosive substance — see the Material Safety Data Sheet (MSDS)
Country of OriginIndia
PackingBags, drums, carboys, IBC or ISO tank as applicable. Customer-specified packing available.
DocumentationCOA, MSDS, TDS, Certificate of Origin
Minimum OrderQuoted against enquiry — trial and container quantities both supported

The specification shown is the standard commercial grade. Scapex supplies against customer-specified assay limits and pharmacopoeial or industry standards — share your specification sheet and we will confirm compliance before order.

Frequently Asked Questions

Do you export Fluorosilicic Acid from India?

Yes. Scapex Exports supplies Fluorosilicic Acid from India to buyers worldwide, including China, United States, United Arab Emirates, Vietnam, Bangladesh, Brazil and every other market listed on this page. Shipments move from Mundra, Nhava Sheva, Kandla, Hazira and Chennai on FOB, CFR or CIF terms.

What is the CAS number of Fluorosilicic Acid?

The CAS number of Fluorosilicic Acid is 16961-83-4.

Can you supply a COA and SDS for Fluorosilicic Acid?

Yes. A Certificate of Analysis against the agreed specification and a 16-section GHS Material Safety Data Sheet are supplied with every consignment, and both are downloadable from this page before you order.

What is the minimum order quantity for Fluorosilicic Acid?

Trial quantities and full container loads are both supported. The minimum depends on the grade, the packing and the destination — send your requirement and we will confirm.

What grade of Fluorosilicic Acid do you supply?

The standard commercial grade is 23% Technical, supplied as clear to straw colored liquid. Other grades are available against your written specification — send the assay limits or pharmacopoeial reference you work to and we will confirm compliance before order.

Global Sourcing Desk

Tell us the product, grade and destination port.

Send the specification you work to — we confirm the grade, packing, documentation set and CIF/FOB price within one business day.