At a Glance
Material Family
Acids & Salts
Record Type
Acid
Primary Role
Coupling / Adhesion Promotion · Synthesis Intermediate
Functional Roles
Industries Served
Applications & Use Cases
- ▸ Forms the basis of chrome-free, zirconium-based conversion coatings (nano-ceramic pretreatment) that improve paint and powder-coat adhesion on aluminum, steel, and galvanized metal substrates.
- ▸ Used as the active etching and passivation agent in aluminum can and coil pretreatment lines, replacing chromate and phosphate processes in line with environmental regulations.
- ▸ Serves as a precursor and synthesis intermediate for producing other zirconium compounds such as zirconium oxide, zirconium basic carbonate, and specialty zirconium salts.
- ▸ Applied in metal surface finishing baths to deposit a thin zirconium-oxide/fluoride film that promotes corrosion resistance and coating durability on assembled parts.
- ▸ Functions as a fluxing and surface-conditioning agent in select metallurgical and electronics manufacturing processes.
Physical Properties
appearance
Clear colorless to pale yellow liquid (typical, supplied as aqueous solution)
form
Aqueous solution (typically 40-45% w/w)
odor
Pungent, acrid
pH
<1 (strongly acidic)
density
1.51-1.55 g/cm3 (45% solution, typical)
solubility_in_water
Miscible
boiling_point
~100-110 C (solution, typical)
Safety & Handling
Full SDS available on request
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
DOT / UN Transport Classification
UN / DOT NumberUN 3264
Hazard Class / DivisionClass 8
Proper Shipping NameCorrosive liquid, acidic, inorganic, n.o.s
Transport classification per the UN Model Regulations / 49 CFR 172.101 Hazardous Materials Table. Confirm against the grade-specific SDS (Section 14) before shipping.
Chemical Identity
CAS Number
12021-95-3
Molecular Formula
F6H2Zr
Molecular Weight
207.23 g/mol
IUPAC Name
tetrafluorozirconium;dihydrofluoride
PubChem CID
InChI Key
DXIGZHYPWYIZLM-UHFFFAOYSA-J
Synonyms & Trade Names
Related Products
Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.