Name | CERIUM FLUORIDE |
Synonyms | CERIUM FLUORIDE cerium(3+) trifluoride hydrate |
CAS | 7758-88-5 |
EINECS | 231-841-3 |
InChI | InChI=1/Ce.3FH.H2O/h;3*1H;1H2/q+3;;;;/p-3 |
Molecular Formula | CeF3 |
Molar Mass | 197.11 |
Density | 6.16 g/mL at 25 °C(lit.) |
Melting Point | 1640℃ |
Boling Point | 2300 °C |
Flash Point | 2300°C |
Water Solubility | Practically insoluble in, but slowly hydrolyzed by water |
Appearance | Form Powder, color white to off-white |
Storage Condition | RT, inert gas storage |
Stability | hygroscopic |
MDL | MFCD00010932 |
Use | Used as high-purity chemicals |
Hazard Symbols | Xi - Irritant |
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
WGK Germany | 2 |
RTECS | FK6125000 |
TSCA | Yes |
HS Code | 28461000 |
Downstream Products | CERIUM(IV) FLUORIDE |
production method |
Evaporate CeO2 and excess hydrofluoric acid to dryness in a platinum dish. |
category | toxic substances |
toxicity classification | low toxicity |
acute toxicity | oral-rat LD50: > 5000 mg/kg |
flammability hazard characteristics | Thermal decomposition emits toxic fluoride smoke |
storage and transportation characteristics | low temperature ventilation and drying of warehouse |
fire extinguishing agent | water |
occupational standards | TWA 2.5 mg (fluorine)/m3 |
Hazard Note | Irritant |
solubility | Soluble in strong mineral acids. |
Specific gravity | 6.16 |
sensitivity | Hygroscopic |
Merck | 14,1998 |
Ksp precipitation equilibrium constant | pKsp: 15.1 |
NIST chemical information | Cerium trifluoride(7758-88-5) |
EPA chemical information | Cerium fluoride (CeF3) (7758-88-5) |