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13709-49-4

Name YTTRIUM FLUORIDE
CAS 13709-49-4
EINECS(EC#) 237-257-5
Molecular Formula F3Y
MDL Number MFCD00049714
Molecular Weight 145.9
MOL File 13709-49-4.mol
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Chemical Properties

Appearance white fine crystalline powder
Melting point  1387 °C
density  4.01 g/mL at 25 °C(lit.)
refractive index  1.54
solubility  insoluble in H2O
form  powder
color  White
Specific Gravity 4.01
Water Solubility  Soluble in acids. Insoluble in water.
Crystal Structure YF3 type
Sensitive  Hygroscopic
crystal system Nogata
Solubility Product Constant (Ksp) pKsp: 20.06
Space group Pnma
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.6350.6850.449090900.1914
Exposure limits ACGIH: TWA 1 mg/m3; TWA 2.5 mg/m3
NIOSH: IDLH 500 mg/m3; IDLH 250 mg/m3; TWA 2.5 mg/m3; TWA 1 mg/m3
Stability: hygroscopic
InChIKey RBORBHYCVONNJH-UHFFFAOYSA-K
CAS DataBase Reference 13709-49-4(CAS DataBase Reference)
EPA Substance Registry System Yttrium fluoride (YF3) (13709-49-4)
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Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
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 .
RIDADR  UN3288
WGK Germany  3
RTECS  ZG3417500
Hazard Note  Irritant
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  28469036

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