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Name	Vanadium(V) trichloride oxide	EINECS	231-780-2
CAS No.	7727-18-6	Density	1.84
PSA	17.07000	LogP	1.94970
Solubility	Decomposes (Soluble in hydrocarbons) <	Melting Point	-76.5 C
Formula	Cl3O V	Boiling Point	126 - 127 C
Molecular Weight	173.3	Flash Point	126-127°C
Transport Information	UN 2443	Appearance	Yellow to brown liquid
Safety		Risk Codes	R14;R25;R34
Molecular Structure		Hazard Symbols
Synonyms	Vanadium,trichlorooxo- (8CI); Trichlorooxovanadium; Trichlorooxovanadium(V);Trichlorovanadium oxide; Vanadium chloride oxide (VCl3O); Vanadium chlorideoxide (VOCl3); Vanadium monoxide trichloride; Vanadium oxide trichloride;Vanadium oxychloride; Vanadium oxytrichloride; Vanadium trichloride monooxide;Vanadium trichloride monoxide; Vanadium trichloride oxide; Vanadium(V)oxytrichloride; Vanadyl chloride; Vanadyl chloride (VOCl3); Vanadyl trichloride	Article Data	109

Vanadium(V) trichloride oxide Synthetic route

: vanadia

: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
With chlorine In neat (no solvent) Kinetics; heating in a flow of Cl2 at various temps. and reaction times; 99% yield after 50 min. at 680 °C;;	99%
With hydrogenchloride In ethanol; water reaction V2O5 with concentrated HCl in presense a few drops of ethanol on water bath untill pentoxide dissolved giving clear blue soln.; not isolated;
In hydrogenchloride at ambient temp.;;
With SOCl2 In not given reflux. equimol. quants. V2O5 and SOCl2 for 6-8 h; product distd.; elem. anal.;
In hydrogenchloride at ambient temp.;;

: 7719-09-7
thionyl chloride

: vanadia

: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
In neat (no solvent) heating (excess SOCl2);;	74%
In neat (no solvent) heating equimolar amounts 6 - 8 h at reflux;;
In not given at 70 - 75°C;;

: vanadia

: 7782-50-5
chlorine

: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
With coal powder In neat (no solvent) distn.;;	70%
With pyrographite In neat (no solvent) in 2 h at 180 - 200°C;;	>99
With coal powder In neat (no solvent) heating;;

: vanadia

: 7550-45-0
titanium tetrachloride

: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
In neat (no solvent) heating 6 h under N2 at reflux (105 - 130°C);; distn.;;	65%

: vanadia

: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
With chlorine In neat (no solvent) Kinetics; heating in a flow of Cl2 at various temps. and reaction times; 64% yield after 50 min. at 300 °C;;	64%

: 7446-70-0
aluminium trichloride

: vanadia

: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
In neat (no solvent) distn.;; VOCl3 with 0.1 % Al;;	60%
In neat (no solvent) slowly heating at 400°C;;
In neat (no solvent) slowly heating at 400°C;;

: 7647-01-0
hydrogenchloride

: vanadia

: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
With phosphorus pentoxide In neat (no solvent) in 3.5 h at 80 - 90°C;;	17%
With P2O5 In neat (no solvent) in 3.5 h at 80 - 90°C;;	17%
In diethyl ether passing HCl gas over solvent, V2O5 added;; not isolated;;

: magnesium orthovanadate

: 75-71-8
Dichlorodifluoromethane

A: magnesium fluoride

B: 13568-63-3
magnesium divanadate (V)

C: 124-38-9
carbon dioxide

D: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
In neat (no solvent) using a fixed-bed flow reactor system at atmospheric pressure; placing of of Mg3(VO4)2 in quartz reactor; heating at 723 K under 1% CCl2F2/He atmosphere with total flow rate of 30 ml/min for 5 h; monitoring by XRD and GC-TCD;	A n/a B 1% C n/a D n/a

...Expand

: trioxovanadate(1-)

: 98-88-4
benzoyl chloride

: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
In neat (no solvent) VOCl3 distd.;;
In neat (no solvent) VOCl3 distd.;;

: 12035-98-2
vanadium(II) oxide

: 7782-50-5
chlorine

: 7727-18-6
vanadium(V) oxychloride

Conditions

Conditions	Yield
In neat (no solvent) annealing;;
In neat (no solvent) annealing;;

Vanadium(V) trichloride oxide Chemical Properties

IUPAC Name:oxovanadium trihydrochloride
Molecular Formula:Cl₃H₃OV
Molecular Weight:176.323720 g/mol
Appearance:yellow to brown liquid
Melting Point:-77 °C(lit.)
Boiling Point:126-127 °C(lit.)
Flash Point:126-127°C
Solubility:Soluble in carbon tetrachloride, titanium tetrachloride, tin tetrachloride completely,phosphorus trichloride, phosphorus oxychloride, arsenic trichloride and antimony trichloride, water, methane and ether.
density:1.84 g/mL at 25 °C(lit.)
vapor pressure:13.8 mm Hg ( 20 °C)
refractive index:1.6300
Sensitive:Moisture
Merck:14,9927
EINECS:231-780-2
Synonyms of VANADIUM OXYTRICHLORIDE(7727-18-6):
trichlorooxo-,(T-4)-Vanadium;trichlorooxo-vanadiu;trichlorooxovanadium;trichlorooxovanadiumoxide;Vanadium chloride oxide;Vanadium oxychloride;Vanadium trichloride oxide;Vanadium, trichlorooxo;VANADIUM(V) TRICHLORIDE OXIDE
Categories of VANADIUM OXYTRICHLORIDE(7727-18-6):Inorganics

Vanadium(V) trichloride oxide Uses

VANADIUM OXYTRICHLORIDE(7727-18-6) is used as a catalyst in preparation of ethylene-propylene rubber and in cyclopentadiene of ethylene and cyclopentadiene.

Vanadium(V) trichloride oxide Production

1.3 Cl₂ + V₂O₅ → 2 VOCl₃ + 1.5 O₂
The reaction proceeds at ca. 600 °C
2.Vanadium(III) oxide can also be used as a precursor:
3 Cl₂ + V₂O₃ → 2 VOCl₃ + 0.5 O₂
3.A typical laboratory synthesis is the chlorination of V₂O₅ using SOCl₂
V₂O₅ + 3 SOCl₂ → 2 VOCl₃ + 3 SO₂

Vanadium(V) trichloride oxide Toxicity Data With Reference

orl-rat LD50:140 mg/kg

AIHAAP American Industrial Hygiene Association Journal. 30 (1969),470.

Vanadium(V) trichloride oxide Consensus Reports

Reported in EPA TSCA Inventory.

Vanadium(V) trichloride oxide Safety Profile

Safety Information of VANADIUM OXYTRICHLORIDE(7727-18-6):
Hazard Codes:T

Risk Statements:14-25-34
Safety Statements:26-27-28-36/37/39-45
RIDADR:UN 2443 8/PG 2
WGK Germany:3
RTECS:YW2975000
F:10-21
HazardClass:8
PackingGroup:II
Poison by ingestion. A corrosive irritant to skin, eyes, and mucous membranes. Explosive reaction with sodium. Violently hygroscopic. Violent reaction with rubidium (at 60°C), potassium. When heated to decomposition it emits toxic fumes of VO_x and Cl⁻. See also VANADIUM COMPOUNDS and HYDROCHLORIC ACID.

Vanadium(V) trichloride oxide Standards and Recommendations

ACGIH TLV: TWA 0.05 mg(V₂O₅)/m³
NIOSH REL: (Vanadium Compounds) CL 0.05 mg(V)/m³/15M
DOT Classification: 8; Label: Corrosive

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