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7758-88-5

Name Cerium fluoride
CAS 7758-88-5
EINECS(EC#) 231-841-3
Molecular Formula CeF3
MDL Number MFCD00010932
Molecular Weight 197.11
MOL File 7758-88-5.mol
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Chemical Properties

Appearance white powder
Melting point  1640 °C
Boiling point  2300 °C
density  6.16 g/mL at 25 °C(lit.)
Fp  2300°C
solubility  Soluble in strong mineral acids.
form  powder
color  white to off-white
Specific Gravity 6.16
Water Solubility  Practically insoluble in, but slowly hydrolyzed by water
Crystal Structure LaF3 type
Sensitive  Hygroscopic
crystal system Three sides
Merck  14,1998
Solubility Product Constant (Ksp) pKsp: 15.1
Space group P3c1
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.7130.7130.72990901200.3209
Exposure limits ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3
Stability: hygroscopic
Uses
In arc carbons to increase their brilliance; prepa- ration of cerium metal.
CAS DataBase Reference 7758-88-5(CAS DataBase Reference)
NIST Chemistry Reference Cerium trifluoride(7758-88-5)
EPA Substance Registry System 7758-88-5(EPA Substance)
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Safety Data

Hazard Codes  Xi,Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves .
WGK Germany  2
RTECS  FK6125000
Hazard Note  Irritant
TSCA  Yes
HS Code  28461000
Safety Profile
Low toxicity by ingestion. See FLUORIDES and CERIUM COMPOUNDS. When heated to decomposition it emits toxic fumes of F-.

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