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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
Sensitive  Hygroscopic
Merck  14,1998
Solubility Product Constant (Ksp) pKsp: 15.1
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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