Name | Praseodymium fluoride |
Synonyms | PRASEODYMIUM FLUORIDE Praseodymium fluoride Praseodymiumtrifluoride Praseodymium trifluoride PRASEODYMIUM(III) FLUORIDE praseodymiumfluoride(prf3) Praseodymium fluoride, anhydrous |
CAS | 13709-46-1 |
EINECS | 237-254-9 |
InChI | InChI=1/3FH.Pr/h3*1H;/q;;;+3/p-3 |
Molecular Formula | F3Pr |
Molar Mass | 197.9 |
Density | 6.2 |
Melting Point | 1395°C |
Water Solubility | Soluble moderately in strong mineral acids Insoluble in water. |
Appearance | powder |
Color | Green |
Exposure Limit | ACGIH: TWA 2.5 mg/m3NIOSH: IDLH 250 mg/m3 |
Stability | hygroscopic |
Sensitive | Hygroscopic |
Physical and Chemical Properties | Light green crystal or powder, without water of crystallization. Insoluble in water, insoluble in hydrochloric acid, nitric acid and sulfuric acid, but soluble in perchloric acid. Hygroscopic in the air, more stable. Praseodymium fluoride is mainly used in laboratory reagents, optical fiber doping, laser materials, fluorescent light-emitting materials, optical fibers, optical coating materials, electronic materials and so on. |
Use | For the preparation of metal praseodymium, arc carbon rod additives |
Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R32 - Contact with acids liberates very toxic gas |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 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.) |
UN IDs | UN 3288 6.1/PG 3 |
WGK Germany | 3 |
TSCA | Yes |
HS Code | 28469035 |
Hazard Note | Irritant |
Hazard Class | 6.1 |
Packing Group | III |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
purpose | for the preparation of metal praseodymium, arc carbon rod additives, etc. for vacuum deposition |