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CAS No.: | 3153-26-2 |
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Name: | Vanadyl acetylacetonate |
Article Data: | 34 |
Molecular Structure: | |
Formula: | C10H14O5V |
Molecular Weight: | 265.16 |
Synonyms: | Vanadium,oxobis(2,4-pentanedionato)- (6CI,8CI);Vanadium,oxobis(2,4-pentanedionato-O,O')-, (SP-5-21)-;Vanadium,oxobis(2,4-pentanedionato-kO,kO')-, (SP-5-21)- (9CI);50D;Bis(2,4-pentanedionato)oxovanadium;Bis(2,4-pentanedionato)oxovanadium(IV);Bis(acetylacetonato)oxovanadium;Bis(acetylacetonato)oxovanadium(IV);NSC 116105;NSC 4659;NSC 52327;NacemVanadyl;Oxobis(2,4-pentanedionato)vanadium;Oxobis(acetylacetonato)vanadium;Oxovanadium(II) acetylacetonate;Vanadium(IV) bis(acetylacetonato)(oxo);Vanadyl bis(2,4-pentanedionate);Vanadyl bis(acetylacetonate);VoAA; |
EINECS: | 221-590-8 |
Density: | 1.4 g/cm3 |
Melting Point: | 235 °C (dec.)(lit.) |
Boiling Point: | 187.6 °C at 760 mmHg |
Flash Point: | 71.9 °C |
Solubility: | practically insoluble in water |
Appearance: | powder |
Hazard Symbols: | Xn |
Risk Codes: | 22-36/37/38-20/21/22 |
Safety: | 22-26-36-36/37/39 |
Transport Information: | UN 3285 |
PSA: | 69.67000 |
LogP: | 1.80140 |
Conditions | Yield |
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With dihydrogen peroxide In water dissolving V2O5 in a mixture of 30% H2O2 and water, stirring in a beaker, ice bath temp.; dropwise addn. of acetylacetone to the resultant red soln., stirring; cooling of hot mixture to room temp.; warming over boiling water bath, 15min; pptn.;; filtration; washing with water (3-4times); drying in vac. over fused CaCl2; elem. anal.;; | 86% |
With dihydrogen peroxide In water H2O2 added dropwise to aq. suspn. of V2O5 under cooling and stirring; acetylacetone added under stirring; mixt. heated at 70°C for 15 minunder vigorous stirring; soln. concd. on steam bath; ppt. filtered, washed with acetone and dried under vac. over fused CaCl2; | 80% |
With sulfuric acid; sodium carbonate In ethanol; water V2O5 dissolved in distd. water, H2SO4 and EtOH; heated slowly on hot plate with stirring; filtered; ligand (4.5 equiv.) added to filtrate; Na2CO3 soln. added; filtered; ppt. dried over silica gel under reduced pressure; recrystd. from CH2Cl2; | 70% |
Conditions | Yield |
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With tert-butylammonium hexafluorophosphate(V) In acetylacetone Electrochem. Process; tetra-n-butylammonium hexafluorophosphate added to dry acetylacetone, V electrode, 300 V, 10-50 mA, ca. 10 h; evapd. under vac., solid washed twice with hexane and twice with petroleum ether; | 47.7% |
acetylacetone
A
tris(acetylacetonato)vanadium(III)
bis(acetylacetonate)oxovanadium
Conditions | Yield |
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byproducts: H2O, H2; evaporation of V2O3; IR, MS; | A 23% B 4.1% |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
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With CH3COCH2COCH3 In toluene refluxed with stoichiometric amt. of acac for 24-30 h; filtering; elem. anal.; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
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With sodium acetate; acetylacetone In methanol; water (N2); a soln. of VOSO4 in water added to a soln. of acetylacetone in methanol and stirred for 10 min; a soln. of sodium acetate in water added over 10 min and stirred for 1 h; pptd.; filtered; washed with methanol and water; dried in vacuo; |
Conditions | Yield |
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With potassium carbonate In methanol; water an aq. sol. of VOSO4 added to the stirred mixt. of Hacac in MeOH/H2O (1/1), stirred for 5 min, an aq. sol. of K2CO3 added over 1 h, pptn.; filtered, washed (water), dried, extd. by Soxhlet (Et2O), sublimed in vac. (170°C/0.1 mm Hg); | |
In water shaking a solution of VOSO4 in H2O with acetylacetone in presence of Na2CO3;; | |
In sulfuric acid addition of a solution of acetylacetone in ethanol to a solution of VOSO4 in aq. H2SO4 and neutralization with 10 % Na2CO3;; |
Conditions | Yield |
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In water byproducts: H(1+); reaction in water;; | |
In water byproducts: H(1+); reaction in water;; |
Conditions | Yield |
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solvation of VO(OH)2 in warm acetylacetone and cooling down;; crystallization; washing with alcohol;; | |
solvation of VO(OH)2 in warm acetylacetone and cooling down;; crystallization; washing with alcohol;; |
bis(acetylacetonate)oxovanadium
bis(acetylacetonate)oxovanadium
Conditions | Yield |
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With CH3COCH2COCH3 In water 1:2 mol ratio V-compd.:acac; dropwise mixing for 30 min; agitating for 15 min; filtering; neutralizing the filtrate with aq. Na2CO3; elem. anal.; | |
With CH3COCH2COCH3 In ethanol 1:2 mol ratio V-compd.:acac ; dropwise mixing for 30 min; agitating for 15 min; filtering; neutralizing the filtrate with aq. Na2CO3; elem. anal.; |
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The Oxobis (acetylacetonato) vanadium Ⅳ, with the cas registry number 3153-26-2, has the systematic name of oxovanadium(2+) bis[(2Z)-4-oxopent-2-en-2-olate]. This chemical is practically insoluble and it is sensitive to air and incompatible with strong oxidizing agents. Besides, its product categories are various, including Classes of Metal Compounds; Environmentally-friendly Oxidation; Synthetic Organic Chemistry; Transition Metal Complexes (Environmentally-friendly Oxidation); Transition Metal Compounds; V (Vanadium) Compounds. As to its usage, it is used as organic chemistry reagent. This chemical could be derived from the following equation: 2 V2O5 + 9 C5H8O2 → 4 VO(C5H7O2)2 + (CH3CO)2CO + 5 H2O.
The physical properties of this chemical are as follows: (1)ACD/LogP: 0.29; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.29; (4)ACD/LogD (pH 7.4): 0.25; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 34.16; (8)ACD/KOC (pH 7.4): 31.16; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 37.3; (13)Flash Point: 71.9 °C; (14)Enthalpy of Vaporization: 49.32 kJ/mol; (15)Boiling Point: 187.6 °C at 760 mmHg; (16)Vapour Pressure: 0.174 mmHg at 25°C.
When you are dealing with this kind of chemical, you should be much more careful and then take some measures to protect yourself. For one thing, it is irritating to eyes, respiratory system and skin. For another thing, it is harmful which may cause damage to health. If by inhalation, in contact with skin and if swallowed, it will be very dangerous. Therefore, you should wear suitable protective clothing, gloves and eye/face protection while using this chemical and do not breathe dust. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
In addition, you could convert the following datas into the molecular structure:
(1)SMILES:O=C(/C=C(\[O-])C)C.[O-]\C(=C/C(=O)C)C.[V+2]=O
(2)InChI:InChI=1/2C5H8O2.O.V/c2*1-4(6)3-5(2)7;;/h2*3,6H,1-2H3;;/q;;;+2/p-2/b2*4-3-;;/r2C5H8O2.OV/c2*1-4(6)3-5(2)7;1-2/h2*3,6H,1-2H3;/q;;+2/p-2/b2*4-3-;
(3)InChIKey:JFHJZWAQYMGNBE-BANUPPMABL