| Name | hexafluorophosphoric acid |
| Synonyms | HexafL uorophosphoric acid Hexafluorophosphoric aci hexafluorophosphoric acid fluorophosphoricacid[hpf6] Hexafluoro Phosphoric Acid Hydrogen hexafluorophosphate hexafluoro-phosphate(1-hydrogen |
| CAS | 16940-81-1 |
| EINECS | 241-006-5 |
| InChI | InChI=1/F6P/c1-7(2,3,4,5)6/q-1/p+1 |
| Molecular Formula | F6HP |
| Molar Mass | 145.97 |
| Density | 1.651g/mLat 25°C |
| Melting Point | 10 °C |
| Water Solubility | hydrolyzes slowly |
| Appearance | Fuming Solution |
| Color | Colorless or slightly colored |
| Exposure Limit | ACGIH: TWA 0.5 ppm(2.5 mg/m3); Ceiling 2 ppm (Skin)OSHA: TWA 3 ppmNIOSH: IDLH 30 ppm(250 mg/m3); TWA 3 ppm(2.5 mg/m3); Ceiling 6 ppm(5 mg/m3) |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Use | Used as metal detergent, chemical polishing agent, Catalyst, metal surface anti-corrosion |
| Risk Codes | R26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed. R35 - Causes severe burns R34 - Causes burns R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R14 - Reacts violently with water |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S7/9 - S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 1782 8/PG 2 |
| WGK Germany | 3 |
| RTECS | SY7115000 |
| TSCA | Yes |
| HS Code | 28111990 |
| Hazard Note | Corrosive/Toxic |
| Hazard Class | 8 |
| Packing Group | II |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | used as metal detergent, chemical glazing agent, Catalyst, etc., also used for metal surface corrosion protection used as metal detergent, chemical glazing agent, Catalyst, metal surface anti-corrosion, etc. catalyst. Metal cleaner. Electrolytic or chemical polishing agents. Metal surface protective layer. |
| category | corrosive article |
| flammability hazard characteristics | toxic hydrogen fluoride gas generated by reaction with water; high toxic hydrogen fluoride and phosphorus oxide gas |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from alkalis and oxidants |
| extinguishing agent | dry sand, carbon dioxide |
| Occupational Standard | TWA 2.5 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |