Product Name

  • Name

    Scandium trifluoride

  • EINECS 237-255-4
  • CAS No. 13709-47-2
  • Article Data79
  • CAS DataBase
  • Density 2.5
  • Solubility
  • Melting Point 1515°C
  • Formula ScF3
  • Boiling Point
  • Molecular Weight 101.951
  • Flash Point
  • Transport Information UN 3288 6.1/PG 3
  • Appearance powder
  • Safety 26-36/37/39-45
  • Risk Codes 23/24/25-32
  • Molecular Structure Molecular Structure of 13709-47-2 (Scandium trifluoride)
  • Hazard Symbols ToxicT
  • Synonyms Scandiumfluoride;Scandium trifluoride;Scandium trifluoride (ScF3);
  • PSA 0.00000
  • LogP 1.26060

Synthetic route

scandium(III) oxide

scandium(III) oxide

hydrogen fluoride
7664-39-3

hydrogen fluoride

A

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

B

scandium fluoride oxide

scandium fluoride oxide

C

ScOF*2H2O

ScOF*2H2O

Conditions
ConditionsYield
In water 0°C;
scandium(III) oxide

scandium(III) oxide

cadmium(II) fluoride

cadmium(II) fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
byproducts: CdO;
potassium hydrogenfluoride
1279123-63-5

potassium hydrogenfluoride

scandium(III)

scandium(III)

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In hydrogenchloride pptn. from 7E-3 molar Sc(3+)-soln. in aq. HCl, 90-95°C, pH=2;; no quantitative react. in presence of Zr(4+), Ti(4+), Al(3+) or Fe(3+);,;>99
scandium(III) oxide

scandium(III) oxide

ammonium fluoride

ammonium fluoride

hydrogen fluoride
7664-39-3

hydrogen fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In hydrogenchloride dissolving Sc2O3 in aq. HCl, addn. of concd. HF-soln., evapn., further addn. of aq. HF and evapn. until complete removal of HCl; addn. of aq. HF, addn. of excess NH4HF, evapn. to dryness;; heating in a dry N2-stream to 700-800°C to remove NH4*HF and moisture (Pt-vessel), pure product;;
In hydrogenchloride dissolving Sc2O3 in aq. HCl, addn. of concd. HF-soln., evapn., further addn. of aq. HF and evapn. until complete removal of HCl; addn. of aq. HF, addn. of excess NH4HF, evapn. to dryness;; heating in a dry N2-stream to 700-800°C to remove NH4*HF and moisture (Pt-vessel), pure product;;
ammonium fluoride

ammonium fluoride

scandium(III) chloride

scandium(III) chloride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In water on addn. of ScCl3-soln. to excess NH4F;;0%
potassium fluoride

potassium fluoride

scandium(III)

scandium(III)

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In water pptn. with aq. KF;;
scandium(III)

scandium(III)

sodium fluoride

sodium fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In water pptn. with aq. NaF;;
scandium(III) oxide

scandium(III) oxide

xenon difluoride
13709-36-9

xenon difluoride

A

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

B

xenon

xenon

Conditions
ConditionsYield
In neat (no solvent) byproducts: oxygen; explosive convertion at 330-380°C, starting of fluorination at 210°C;
fluoride

fluoride

scandium(III)

scandium(III)

A

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

B

tetrafluoroscandate(1-)
139890-84-9, 25376-96-9

tetrafluoroscandate(1-)

C

ScF(2+)

ScF(2+)

D

{ScF2}(2+)

{ScF2}(2+)

Conditions
ConditionsYield
In perchloric acid formation in aq. soln.;;
fluoride

fluoride

yttrium(III)

yttrium(III)

A

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

B

tetrafluoroscandate(1-)
139890-84-9, 25376-96-9

tetrafluoroscandate(1-)

C

ScF(2+)

ScF(2+)

D

ScF2(1+)

ScF2(1+)

Conditions
ConditionsYield
In water in aq. soln.;;
ScF2(1+)

ScF2(1+)

fluoride

fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In water formation in soln., determination of thermodynamic data of formation (enthalpy, free enthalpy, entropy);; not isolated;;
In water formation in soln., determination of complex formation constant;; not isolated;;
In water formation in soln., determination of thermodynamic data of formation (enthalpy, free enthalpy, entropy);; not isolated;;
fluorosilicic acid

fluorosilicic acid

scandium(III)

scandium(III)

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
With water In water byproducts: SiO2, HF; immediate hydrolysis of Sc2(SiF6)3; investigation of react.-mechanism;;
With water In water byproducts: SiO2, HF; immediate hydrolysis of Sc2(SiF6)3;;
With water In hydrogenchloride addn. of H2SiF6 to concd. soln. in HCl while introduction of H2P-vapor;;
In water from the neutral or acidic soln. on addn. of H2SiF6 in the cold or in the warm,;
In not given slow, but complete pptn. on boiling in strongly acid soln.; product is free of rare earth compounds;;>99
fluorosilicic acid

fluorosilicic acid

scandium(III)

scandium(III)

A

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

B

2Sc(3+)*3{SiF6}(2-)=Sc2{SiF6}3

2Sc(3+)*3{SiF6}(2-)=Sc2{SiF6}3

Conditions
ConditionsYield
In water pptn. at room temp.;;A 0%
B n/a
potassium hexafluorosilicate

potassium hexafluorosilicate

scandium(III)

scandium(III)

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In hydrogenchloride pptn. from 7E-3 molar Sc(3+)-soln. in aq. HCl, 90-95°C, pH=2;; no quantitative react. in presence of Zr(4+), Ti(4+), Al(3+) or Fe(3+);,;>99
hydrogen fluoride
7664-39-3

hydrogen fluoride

scandium(III)

scandium(III)

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In hydrogen fluoride pptn. from aq. soln. by addn. of HF-soln., separation of ppt., evapn. (water-bath), addn. of HF-soln., cryst. product;;
In hydrogen fluoride pptn. with aq. HF;;
sodium hexafluorosilicate

sodium hexafluorosilicate

scandium(III)

scandium(III)

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In hydrogenchloride pptn. from 7E-3 molar Sc(3+)-soln. in aq. HCl, 90-95°C, pH=2;; no quantitative react. in presence of Zr(4+), Ti(4+), Al(3+) or Fe(3+);,;>99
Si2F6(2-)

Si2F6(2-)

scandium(III)

scandium(III)

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In water at room temp.;;
scandium

scandium

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
With fluoroplast-4 In neat (no solvent) byproducts: C; High Pressure; shock compression reaction of Sc with fluoroplast-4; X-ray diffraction;
scandium

scandium

hydrogen fluoride
7664-39-3

hydrogen fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In neat (no solvent) at increased pressure in an autoclave, 250°C, up to 24h. cooling in the autoclave to 60°C, removal of absorbed HF in vac.;;
In neat (no solvent) at increased pressure in an autoclave, 250°C, up to 24h. cooling in the autoclave to 60°C, removal of absorbed HF in vac.;;
calcium fluoride

calcium fluoride

scandium

scandium

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In gas byproducts: Ca, ScF2, ScF; in the gas phase over the solid mixture at 1410K, Ta-Knudsen-cell;;
In neat (no solvent, gas phase) byproducts: Ca, ScF2, ScF; in the gas phase over the solid mixture at 1410K, Ta-Knudsen-cell;;
hydrogen fluoride
7664-39-3

hydrogen fluoride

scandium(III) chloride

scandium(III) chloride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In hydrogen fluoride aq. HF; reaction of ScCl3 with aq. HF; evapn. of the liquid at 60°C and drying the solid at 80-100°C on a sand bath;
{ScF2}(2+)

{ScF2}(2+)

hydrogen fluoride
7664-39-3

hydrogen fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In water byproducts: H(1+); formation in soln., determination of equilbrium constant and thermodynamic data of formation;;
scandium(III) nitrate

scandium(III) nitrate

hydrogen fluoride
7664-39-3

hydrogen fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
pptn. on hydrofluoric acid addn. to Sc-salt soln.;
bastnaesite

bastnaesite

hydrogen fluoride
7664-39-3

hydrogen fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In hydrogenchloride byproducts: CO2; pH 1 to <4, heating to 60-100°C for 4h while stirring, washing with H2O until neutral react.;;>95
scandium(III) oxide

scandium(III) oxide

hydrogen fluoride
7664-39-3

hydrogen fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In hydrogen fluoride aq. HF; gradual addition of oxide to acid under periodical cooling; ppt. filtering off, drying (150-200°C), grinding; thermogravimetric analysis;
calcium fluoride

calcium fluoride

bastnaesite

bastnaesite

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In hydrogenchloride byproducts: CO2, CaCl2; pH 1 to <4, heating to 60-100°C for 4h while stirring, washing with H2O until neutral react.;;>95
scandium(III) chloride

scandium(III) chloride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
With HF In water pptn. of aq. soln. of scandium chloride with excess of concd. hydrofluoric acid; ppt. dried and heated in inert atmosphere; chem. anal.;
scandium cryolite

scandium cryolite

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In neat (no solvent) thermal decompn. at 350-340°C; intermediate formation of NH4ScF4 at 260-350°C;; pure product;;
In potassium hydroxide aq. KOH; pptn. on potentiometric titration of a 0.01m aq. soln. with aq. KOH at pH about 7.5 to 7.7;;
In hydrogen fluoride byproducts: NH4(+), HF2(-); aq. HF;
In neat (no solvent) byproducts: NH3; heating under 1 bar NH3 pressure; detected by powder X-ray diffractometry;
scandium tris(trifluoromethanesulfonate)

scandium tris(trifluoromethanesulfonate)

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

Conditions
ConditionsYield
In neat (no solvent) byproducts: COF2, SO2; thermal decompn. in inert atmosphere (exclusion of moisture);;
In neat (no solvent) byproducts: COF2, SO2; thermal decompn. in inert atmosphere (exclusion of moisture);;
scandium(III) fluoride
13709-47-2

scandium(III) fluoride

magnesocene

magnesocene

tricyclopentadienylscandium(III)

tricyclopentadienylscandium(III)

Conditions
ConditionsYield
anhydr. fluoride, 220-260°C, 3 to 6 h;83%
scandium(III) fluoride
13709-47-2

scandium(III) fluoride

scandium(III) chloride

scandium(III) chloride

scandium

scandium

Conditions
ConditionsYield
With potassium chloride; sodium chloride In melt Electrolysis; ScF3 or ScCl3; vac., heating to 300-350°C, filling with Ar, electrolysing at 780-860°C (NaCl electrolyte) or at 720-750°C (NaCl+KCl electrolyte), current density = 0.1-0.5 A/cm**2; detd. by mass spectrography;65%
scandium(III) fluoride
13709-47-2

scandium(III) fluoride

A

tris(η5-cyclopentadienyl)scandium(III)
839684-48-9, 1298-54-0, 51269-38-6

tris(η5-cyclopentadienyl)scandium(III)

B

tris(fluorodicyclopentadienylscandium)

tris(fluorodicyclopentadienylscandium)

Conditions
ConditionsYield
With (C5H5)Na In tetrahydrofuran refluxing for 12 h; under argon or vac.;; drying by heating at 110°C under vac. for 7 h; extn. with toluene; concn.; recrystn. from toluene/hexane (2/1); elem. anal.;A 9%
B 14%
scandium(III) fluoride
13709-47-2

scandium(III) fluoride

scandium

scandium

Conditions
ConditionsYield
With calcium In neat (no solvent) thermal redn, (calcium metal); electrochem. refinement;
With calcium In neat (no solvent) byproducts: CaF2; reduction with Ca under Ar, start of react. at 850-900°C; Ta- or Zr-boride-vessel;; heating to 1400°C, distn. in vac.;;
With calcium In neat (no solvent) reduction with Ca under Ar, start of react. at 700-800°C, heating to 1500°C at 10E-4 Torr (distn. of Sc); Mo-vessel;;
scandium(III) fluoride
13709-47-2

scandium(III) fluoride

water
7732-18-5

water

scandium fluoride oxide

scandium fluoride oxide

Conditions
ConditionsYield
In neat (no solvent) at 900°C, heating slowly;; detected by thermogravimetric and X-ray-measurements;;
With air In neat (no solvent) hydroylsis by moisture in the furnace on heating in dry Ar or He;;
In neat (no solvent) hydroylsis in a stream of moist N2 at 800°C;; not pure, contaminated with oxide;;
scandium(III) fluoride
13709-47-2

scandium(III) fluoride

water
7732-18-5

water

scandium(III) oxide

scandium(III) oxide

Conditions
ConditionsYield
In neat (no solvent) on fast heating to 300°C;; detected by thermogravimetric and X-ray-measurements;;
In neat (no solvent) 975.-+.25°C, streaming H2O-vapor, 4-30min; increase of react.-rate in presence of U3O8 and/or Cr2O3;;>99
In neat (no solvent) at 1040°C, heating slowly;; detected by thermogravimetric and X-ray-measurements;;
rubidium fluoride

rubidium fluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

rubidium scandium hexafluoride

rubidium scandium hexafluoride

Conditions
ConditionsYield
In neat (no solvent, solid phase) solid state reacn. between appropriate amts. of RbF and ScF3 in a sealed Pt tube under Ar;
scandium(III) fluoride
13709-47-2

scandium(III) fluoride

cesium fluoride
13400-13-0

cesium fluoride

caesium scandium hexafluoride

caesium scandium hexafluoride

Conditions
ConditionsYield
In neat (no solvent, solid phase) solid state reacn. between appropriate amts. of CsF and ScF3 in a sealed Pt tube under Ar;
xenon difluoride
13709-36-9

xenon difluoride

scandium(III) fluoride
13709-47-2

scandium(III) fluoride

terbium(III) fluoride
13708-63-9

terbium(III) fluoride

terbium tetrafluoride
36781-15-4

terbium tetrafluoride

Conditions
ConditionsYield
In neat (no solvent) byproducts: Xe; heating (430-470°C, 0.5-1 h); DTA;
scandium(III) fluoride
13709-47-2

scandium(III) fluoride

fluoride

fluoride

tetrafluoroscandate(1-)
139890-84-9, 25376-96-9

tetrafluoroscandate(1-)

Conditions
ConditionsYield
In water formation in soln., determination of complex formation constant;; not isolated;;

Scandium fluoride Chemical Properties

 Scandium fluoride ,its cas register number is 13709-47-2,is also named as Scadium trifluoride ; Scandium fluoride ; Scandium(III) fluoride ; Scandium fluoride (ScF3) ; Scandiumfluoride(scf3) ; Scandium fluoride, anhydrous, 99.99% ; Scandium (III) fluoride (99.9%-SC) (REO) ; CID83678 ; LS-144616 ,and so on. Scandium fluoride (CAS No.13709-47-2) is usually bright white powder.

IUPAC Name: Trifluoroscandium
CAS: 13709-47-2
Molecular Formula: F3Sc
Molecular Weight: 101.95
Molecular structure:
EINECS: 237-255-4
Melting point:  1515°C
Form:  powder
Sensitive:  Hygroscopic
H bond acceptors: 0 
H bond donors: 0 
Freely Rotating Bonds: 0 
H-Bond Donor: 0
H-Bond Acceptor: 3
Rotatable Bond Count: 0
Topological Polar Surface Area: 0
Heavy Atom Count: 4
Formal Charge: 0
Complexity: 8
Isotope Atom Count: 0
Covalently-Bonded Unit Count: 1

Scandium fluoride Uses

 Scandium fluoride (CAS No.13709-47-2) is commonly used as chemical reagent.

Scandium fluoride Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mammal (species unspecified) LD intraperitoneal > 10gm/kg (10000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 35(8), Pg. 43, 1991.
mammal (species unspecified) LD oral > 10gm/kg (10000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 35(8), Pg. 43, 1991.

RTECS:  VQ8930000

Scandium fluoride Safety Profile

Hazard Codes:  T,Xi  
Risk Statements:  23/24/25-32 (R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. R32:Contact with acid liberates very toxic gas.)
Safety Statements:  26-36/37/39-45 (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.))
RIDADR:  UN 3288 6.1/PG 3
WGK Germany:  3
Hazard Note:  Irritant
HazardClass:  6.1
PackingGroup:  III

Scandium fluoride Specification

Removal in wastewater treatment of Scandium fluoride (CAS No.13709-47-2) can be stated as follows:
Total removal:1.85  percent
Total biodegradation:0.09  percent
Total sludge adsorption:1.76  percent
Total to Air:0.00  percent
(using 10000 hr Bio P,A,S)

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