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| CAS No.: | 13709-47-2 |
|---|---|
| Name: | Scandium trifluoride |
| Molecular Structure: | |
|
|
|
| Formula: | ScF3 |
| Molecular Weight: | 101.951 |
| Synonyms: | Scandiumfluoride;Scandium trifluoride;Scandium trifluoride (ScF3); |
| EINECS: | 237-255-4 |
| Density: | 2.5 |
| Melting Point: | 1515°C |
| Appearance: | powder |
| Hazard Symbols: |
 T
|
| Risk Codes: | 23/24/25-32 |
| Safety: | 26-36/37/39-45 |
| Transport Information: | UN 3288 6.1/PG 3 |
| PSA: | 0.00000 |
| LogP: | 1.26060 |
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- 73441-42-6METHYL-5-CHLORO-2,2-DIMETHYLVALERATE
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hydrogen fluoride
A
- 13709-47-2
scandium(III) fluoride
| Conditions | Yield |
|---|---|
| In water 0°C; |
| Conditions | Yield |
|---|---|
| byproducts: CdO; |
| Conditions | Yield |
|---|---|
| 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 |
- 13709-47-2
scandium(III) fluoride
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: H2; Sc:NH4F molar ratio was 1:4, heating up to 400 °C with 2 °C/h rate, 6 weeks, in a Cu-ampoule, under Ar; cooling with 2 °C/h rate; |
| Conditions | Yield |
|---|---|
| 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;; |
| Conditions | Yield |
|---|---|
| In water on addn. of ScCl3-soln. to excess NH4F;; | 0% |
| Conditions | Yield |
|---|---|
| In water pptn. with aq. KF;; |
| Conditions | Yield |
|---|---|
| In water pptn. with aq. NaF;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: oxygen; explosive convertion at 330-380°C, starting of fluorination at 210°C; |
A
- 13709-47-2
scandium(III) fluoride
B
- 139890-84-9, 25376-96-9
tetrafluoroscandate(1-)
| Conditions | Yield |
|---|---|
| In perchloric acid formation in aq. soln.;; |
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Chemistry
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
Uses
Scandium fluoride (CAS No.13709-47-2) is commonly used as chemical reagent.
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
Safety Profile
Hazard Codes: T,Xi .gif){kind=small}
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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
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)