| Name | Hafnium(IV) fluoride |
| Synonyms | HAFNIUM FLUORIDE Hafnium(IV) fluoride |
| CAS | 13709-52-9 |
| EINECS | 237-258-0 |
| Molecular Formula | F4Hf |
| Molar Mass | 254.48 |
| Density | 7.100 |
| Melting Point | 310°C (subl.) |
| Boling Point | 970°C |
| Water Solubility | React with water. |
| Appearance | Powder |
| Color | White |
| Exposure Limit | ACGIH: TWA 2.5 mg/m3; TWA 0.5 mg/m3 NIOSH: IDLH 250 mg/m3; IDLH 50 mg/m3; TWA 0.5 mg/m3 |
| Storage Condition | Room Temprature |
| Sensitive | Moisture Sensitive |
| MDL | MFCD00016127 |
| Risk Codes | R32 - Contact with acids liberates very toxic gas R36/37/38 - Irritating to eyes, respiratory system and skin. R41 - Risk of serious damage to eyes R23 - Toxic by inhalation R37/38 - Irritating to respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 2923 8/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 28261990 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | II |