• Name

  TRIISOPROPOXYVANADIUM(V) OXIDE

• EINECS 226-997-4
• CAS No. 5588-84-1
• Article Data12
• CAS DataBase
• Density 1.035 g/mL at 25 °C(lit.)
• Solubility
• Melting Point -11 °C
• Formula C₉H₂₁O₄V
• Boiling Point 80-82 °C at 2 mm Hg(lit.)
• Molecular Weight 244.205
• Flash Point 113 °F
• Transport Information UN 1993 3/PG 3
• Appearance light yellow to light green liquid
• Safety 16-26-27
• Risk Codes 10-36/37/38
• Molecular Structure
• Hazard Symbols Xi
• Synonyms Isopropylvanadate(V) (6CI,7CI);Vanadic acid (H3VO4), triisopropyl ester (8CI);(Triisopropoxy)oxovanadium;Isopropylorthovanadate;Oxovanadium triisopropoxide;Tri(isopropanolato)oxovanadium;Triisopropoxyvanadium oxide;Triisopropyl orthovanadate;Triisopropyl vanadate;Tris(isopropanolato)oxo vanadium;Tris(isopropoxo)oxovanadium;Vanadium oxidetriisopropoxide;Vanadium triisopropoxide oxide;Vanadium(V) oxoisopropoxide;Vanadium(V) oxytriisopropoxide;Vanadium(V) tris(isopropoxide) oxide;Vanadylisopropylate;Vanadyl triisopropoxide;
• PSA 44.76000
• LogP 2.50830

Synthetic route

66723-83-9

diethylamidobis(isopropoxy)oxovanadium(V)

75-08-1

ethanethiol

A

VO(SC2H5)3

B

5588-84-1

vanadium(V) oxytriisopropoxide

Conditions

Conditions	Yield
In pentane dry N2-atmosphere; addn. of slight excess of EtSH to V-compd. (-20°C), stirring for 1 h; collection (filtration), washing (pentane), drying (reduced pressure); elem. anal.;	A 98% B n/a

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66723-83-9

diethylamidobis(isopropoxy)oxovanadium(V)

A

VO(3+)*3S2CN(C2H5)2(1-)=VO(S2CN(C2H5)2)3

B

5588-84-1

vanadium(V) oxytriisopropoxide

Conditions

Conditions	Yield
With carbon disulfide In pentane dry N2-atmosphere; addn. of excess CS2 to V-compd. (room temp.), stirring for 12 h (pptn.); collection (filtration), drying (reduced pressure); elem. anal.;	A 80% B n/a

67-63-0

isopropyl alcohol

5588-84-1

vanadium(V) oxytriisopropoxide

Conditions

Conditions	Yield
With vanadia

(VOCl3)2(C6H5)4C20H8N4H2

67-63-0

isopropyl alcohol

A

H4TPP(2+)

B

5588-84-1

vanadium(V) oxytriisopropoxide

Conditions

Conditions	Yield
In isopropyl alcohol

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vanadia

67-63-0

isopropyl alcohol

5588-84-1

vanadium(V) oxytriisopropoxide

Conditions

Conditions	Yield
In isopropyl alcohol after A. Lachowicz, W. Hoebold, K.-H. Thiele, Z. Anorg. Allg. Chem. 418 (1975) 65, refluxed; removal of solvent, fractional distillation under high vacuum;
In benzene under stringently anhyd. environment; V2O5 and excess of i-PrOH in benzene; purified by distn. at 90°C/0.5 mm;

ammonium vanadate(V)

67-63-0

isopropyl alcohol

5588-84-1

vanadium(V) oxytriisopropoxide

Conditions

Conditions	Yield
In benzene byproducts: H2O, NH3; Refluxing for 48 h, formed H2O is eleminated via a Dean-Stark trap.; Filtn., evapn. in vac., distn. under reduced pressure (5-6 mmHg, 95°C).;

zinc bis(tetra(isopropyl))orthovanadate

A

5588-84-1

vanadium(V) oxytriisopropoxide

B

13282-39-8

zinc diisopropanolate

Conditions

Conditions	Yield
heating to about 60°C (Ar);

magnesium bis(tetra(isopropyl))orthovanadate

magnesium bis(tetra(isopropyl))orthovanadate

A

5588-84-1

vanadium(V) oxytriisopropoxide

B

Conditions

Conditions	Yield
heating to about 60°C (Ar);

Conditions

Conditions	Yield
In pentane byproducts: HNEt2; dry N2-atmosphere; addn. of excess i-PrOH to V-compd. (0°C), stirring for 10 min; solvent removal (reduced pressure);

A

B

Conditions

Conditions	Yield
In pentane suspn. of Li(N(C2H5)2) is cooled in pentane to 223 K, dropwise addn. of VOCl2(OCH(CH3)2) during 15 min, warming to room temp.; remove of the solvent in vac.;

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A

B

Conditions

Conditions	Yield
exposure to light;

Triisopropoxyvanadium(V) oxide Specification