Potassium fluorozirconate

CAS Number
16923-95-8
EC Number
240-985-6
Chemical Formula
F6Zr.2K
Molecular Weight
283.41 g/mol

Description

Potassium fluorozirconate (CAS 16923-95-8), also known as potassium hexafluorozirconate or zirconium potassium fluoride, is an inorganic zirconium salt used across metal treatment and surface finishing. It functions primarily as a corrosion inhibitor and biocide in industrial process formulations and specialty chemical manufacturing. In metal surface treatment, it serves as a flux and grain refiner in aluminum processing.

The compound improves adhesion for downstream coating and anodizing operations in magnesium alloy processing. The mining and metals sector uses it in zirconium refining and as a fluoride source in electrolytic processes. Textile and leather processors incorporate it into treatment baths where controlled fluoride release supports fiber fixation. This application also provides essential preservation against microbial degradation during the manufacturing cycle.

In personal care manufacturing, it appears in formulations requiring zirconium-based antiperspirant or preservation activity. The material is supplied as a white crystalline powder for easy handling in industrial settings. Technical grade is the standard commercial form, with purity levels typically ranging from 98% to 99%+. Packaging is available in bulk quantities suited to industrial procurement and large-scale chemical distribution.

Documentation is commonly provided to meet import and quality assurance requirements for global logistics. This ensures compliance with safety standards and technical specifications for diverse manufacturing applications.

Other Names (Synonyms)

K2[ZrF6]|zirconium potassium fluoride|Potassium hexafluorozirconate|Dipotassium hexafluorozirconate(2-)|dipotassium;hexafluorozirconium(2-)|Dipotassium hexafluoridozirconate(2-)|Zirconate(2-), hexafluoro-, potassium (1:2), (OC-6-11)-

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point 840°C
Density 3.48 g/cm³
Appearance White crystals. Soluble in water (hot).
Color colorless monoclinic crystals, crystalline
Odor Odorless
Form powder
Water Solubility Slightly soluble in cold water, soluble in hot water

Documentation

Safety & Handling Learn More

Danger
GHS05· Corrosive GHS06· Toxic GHS07· Irritant

Hazard Statements

H301 Toxic if swallowed
H311 Toxic in contact with skin
H314 Causes severe skin burns and eye damage
H315 Causes skin irritation

Precautionary Statements

P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.
P264 Wash … thoroughly after handling.

Trade & Regulatory

HS Code 2826908090
UN Number 3288
ADR Class 6.1
Packing Group III
Storage Class 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
WGK (Germany) 2
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