Overview
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.
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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 |
Safety & Handling
Danger GHS05 GHS06 GHS07 Hazard Statements H301 Toxic if swallowed H311 Toxic in contact with skin H314 Causes severe skin burns and eye damage H315 Causes skin irritation H318 Causes serious eye damage H319 Causes serious eye irritation H331 Toxic if inhaled H335 May cause respiratory irritation H412 Harmful to aquatic life with long lasting effects 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. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P316 Get emergency medical help immediately. P317 Get emergency medical help. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P363 Wash contaminated clothing before reuse. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P316 Get emergency medical help immediately. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P301+P330+P331 Rinse mouth. Do NOT induce vomiting. P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
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 |
Other Names
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Chemical Properties
- CAS Number
- 16923-95-8
- EC Number
- 240-985-6
- Mol. Weight
- 283.41
- HS Code
- 2826908090
- Category
- Salts & Minerals