555-31-7

Basic information

• Product Name: Aluminium isopropoxide
• Synonyms: ALUMINUMISOPROPOXIDE,PRACTICAL;2-PROPANOL,ALUMINIUMSALT;ALUMINUM ISOPROPOXIDE (99.9%);Aluminum iso-propoxide, 50%w/w in Isopropanol;AIP, Aluminum isopropylate, Aluminum triisopropoxide;Aluminum propan-2-olate;Aluminum trisisopropoxide;Aluminum isopropoxide,AIP, Aluminum isopropylate, Aluminum triisopropoxide
• CAS NO: 555-31-7
• Molecular Formula: C₉H₂₁AlO₃
• Molecular Weight: 204.24
• EINECS: 209-090-8
• Product Categories: Pharmaceutical Intermediates;Organic-metal salt;Titanium Alkoxides, etc. (Homogeneous Catalysts);Al (Alminum) Compounds;Catalysts for Organic Synthesis;Classes of Metal Compounds;Homogeneous Catalysts;Synthetic Organic Chemistry;Typical Metal Compounds;metal alkoxide;Imidazoles ,Homopiperidines
• Mol File: 555-31-7.mol

Chemical Properties

• Melting Point: 128133°C
• Boiling Point: 125-130 °C (38 mmHg)
• Flash Point: 46 °C
• Appearance: White/Crystalline Powder (May Contain Chunks)
• Density: 1.035g/mL25°C
• Vapor Pressure: 0.13 hPa (21 °C)
• Refractive Index: 1.0346
• Storage Temp.: Flammables area
• Solubility: REACTS
• Explosive Limit: 2%(V)
• Water Solubility: REACTS
• Sensitive: Moisture Sensitive
• Merck: 14,347
• BRN: 3910275
• CAS DataBase Reference: Aluminium isopropoxide(CAS DataBase Reference)
• NIST Chemistry Reference: Aluminium isopropoxide(555-31-7)
• EPA Substance Registry System: Aluminium isopropoxide(555-31-7)

Safety Data

• Hazard Codes: F
• Statements: 11
• Safety Statements: 8-16-2017/8/16
• RIDADR: UN 3181 4.1/PG 2
• WGK Germany: 1
• RTECS: BD0975000
• TSCA: Yes
• HazardClass: 4.1
• PackingGroup: II
• Hazardous Substances Data: 555-31-7(Hazardous Substances Data)

Usage

Chemical Properties

Aluminum isopropoxide on the market is mostly white translucent block, cylindrical small block solid or powder, soluble in isopropanol, ethanol, toluene, benzene, carbon tetrachloride, chloroform and other organic solvents (easy to dissolve when heated to 70 °C), decomposed when it meets water, has strong water absorption, and is easily decomposed into aluminum hydroxide and isopropanol.)

Uses

Different sources of media describe the Uses of 555-31-7 differently. You can refer to the following data:
1. Meerwein-Ponndorf reactions; alcoholysis and ester exchange; synthesis of higher alkoxides, chelates, and acylates; formation of aluminum soaps, formulation of paints; waterproofing finishes for textiles.
2. It is used in a number of organic syntheticreactions and in the manufacture of manytypes of products, including aluminum soaps,paints, and waterproofing finishes.
3. Alkyl phosphate esters in conjunction with aluminium isopropoxide have been used as fluid loss additives in drilling fluid compositions. It is important for drilling fluids to efficiently and quickly form a filter cake to minimise fluid loss and allow flow of fluids into the wellbore during production. In the alkyl phosphate ester case, it is cross‐linked with the aluminium compound to form a complex anionic polymer, which acts as a gelling agent to prevent fluid loss.

Preparation

Aluminum isopropoxide is synthesized by the reaction of isopropanol and aluminum under the catalysis of alumina. Raw material consumption quota: isopropyl alcohol 1255kg/t, aluminum 166kg/t.

Fire Hazard

The flash point of this compound is 26°C (79°F) (Bretzinger and Josten). It is less flammable than the sec- and tert-alkoxides of alkali metals. Ignition may occur when this compound is heated in moist air.It decomposes in water. The reaction is exothermic, producing isopropanol. It may decompose when heated to 250°C (482°F), producing highly flammable isopropyl ether.

Purification Methods

Redistil it under vacuum. Hygroscopic. [Robinson & Peak J Phys Chem 39 1127 1935, Beilstein 1 IV 1468.]

InChI:InChI=1/C3H8O.Al/c1-3(2)4;/h3-4H,1-2H3;/q;+3

Synthetic route

aluminum oxide (1333-84-2, 1344-28-1) + isopropyl alcohol (67-63-0) → aluminum isopropoxide (555-31-7)

Conditions	Yield
at 15 - 46℃; for 2.83333h; Temperature;	95%

isopropyl alcohol (67-63-0) → aluminum isopropoxide (555-31-7)

Conditions	Yield
With aluminium; aluminium trichloride at 81.5℃; Kinetics; influence of acetone and other additives;
With tetrachloromethane; aluminium; mercury dichloride

isopropyl alcohol (67-63-0) + amalgamated aluminium → aluminum isopropoxide (555-31-7)

triethylaluminum (97-93-8) + isopropyl alcohol (67-63-0) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In toluene

diethylaluminium cyanide (5804-85-3) + isopropyl alcohol (67-63-0) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In toluene at 20 - 80℃; for 1h;

triisobutylaluminum (100-99-2) + isopropyl alcohol (67-63-0) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In toluene at 80℃; for 0.25 - 1.25h;

trimethylaluminum (75-24-1) + isopropyl alcohol (67-63-0) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In toluene

isopropyl alcohol (67-63-0) + aluminium (7429-90-5) → aluminum isopropoxide (555-31-7)

Conditions	Yield
mercury dichloride In isopropyl alcohol direct reaction of Al metal with isopropanol in presence mercuric chloride as a catalyst;; distilled at 85°C/0.6mm; elem. anal.;;
elem. anal.;
With aluminium trichloride In isopropyl alcohol; acetone Kinetics; byproducts: H2; a round-bottomed flask loaded with Al and AlCl3, isopropanol added, mixt. heated on a H2O-bath to 81.5°C, isopropanol and acetone added when H2 release rate attained about 20 ml/min;

yttrium(III) chloride (10361-92-9) + isopropyl alcohol (67-63-0) + aluminium (7429-90-5) → yttrium(III) isopropoxide + aluminum isopropoxide (555-31-7)

Conditions	Yield
With sodium; mercury dichloride In ethanol; isopropyl alcohol byproducts: NaCl; heating (82°C, 5 h), slow addn. of mixed solns. of YCl3(ethanol) and of sodium (2-propanol), refluxing (82°C, 3 h), NaCl ppt. removal (filtration); no isolation;

propan-1-ol (71-23-8) + aluminium (7429-90-5) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In neat (no solvent) treatment of the metal with alcohol in the presence of HgCl2 or I2 as catalysts; identified by elem. anal. for Al and by comparison of the constants withpublished data;

((CH3)2CHO)Al(OCOCH3)2 → aluminum acetate (139-12-8) + aluminum isopropoxide (555-31-7)

Conditions	Yield
In neat (no solvent) symmetrization on heating;;

aluminum acetoxydiisopropoxide → aluminum isopropoxide (555-31-7)

Conditions	Yield
In neat (no solvent) byproducts: (CH3)2CHOH, CH3CO2CH(CH3)2; thermal decompn. on heating to 150°C for 10 h; volatile reaction products;; not isolated;;

aluminum acetoxydiisopropoxide → ((CH3)2CHO)Al(OCOCH3)2 + aluminum isopropoxide (555-31-7)

Conditions	Yield
In neat (no solvent) symmetrization on heating;; not isolated;;

((CH3)2CHO)2Al(OCOCH2CH3) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In neat (no solvent) byproducts: (CH3)2CHOH, CH3CH2CO2CH(CH3)2; thermal decompn. on heating to 150 or 180°C for 15 h; volatile reaction products;;

((CH3)2CHO)2Al(OCOCH2CH3) → ((CH3)2CHO)Al(OCOCH2CH3)2 + aluminum isopropoxide (555-31-7)

Conditions	Yield
In neat (no solvent) symmetrization on heating;;

((CH3)2CHO)Al(OCOCH2CH3)2 → aluminium propionate (7068-70-4) + aluminum isopropoxide (555-31-7)

Conditions	Yield
In neat (no solvent) symmetrization on heating;;

diisopropoxyaluminum chloroacetate → (CH3)2CHOAlO (68425-65-0) + aluminum isopropoxide (555-31-7) + isopropyl alcohol (67-63-0) + acetone (67-64-1)

Conditions	Yield
In neat (no solvent) byproducts: (CH3)2CHCl, ClCH2COOCH(CH3)2; thermolysis, 160°C;

[Er(Al(OCH(CH3)2)3Cl)3] (532383-21-4) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In not given byproducts: ErCl3; soln. of Er-Al complex was refluxed;

[Y(Al(OCH(CH3)2)3Cl)3] (532383-17-8) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In not given byproducts: YCl3; soln. of Y-Al complex was refluxed;

[La(Al(OCH(CH3)2)3Cl)3] (532383-18-9) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In not given byproducts: LaCl3; soln. of La-Al complex was refluxed;

[Pr(Al(OCH(CH3)2)3Cl)3] (532383-19-0) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In not given byproducts: PrCl3; soln. of Pr-Al complex was refluxed;

[Nd(Al(OCH(CH3)2)3Cl)3] (532383-20-3) → aluminum isopropoxide (555-31-7)

Conditions	Yield
In not given byproducts: NdCl3; soln. of Nd-Al complex was refluxed;

pyridine (110-86-1) + copper(II) tetraisopropoxyaluminate → copper(I) tetraisopropoxyaluminate bis(pyridine) adduct (1009586-82-6) + copper(II) tetraisopropoxyaluminate pyridine adduct (1/1) + aluminum isopropoxide (555-31-7)

Conditions	Yield
In neat (no solvent) (N2); crystd. upon storage; elem. anal.;

Reaxys ID: 33288366 + isopropyl alcohol (67-63-0) → aluminum isopropoxide (555-31-7)

Conditions	Yield
at 20℃; for 2h;

scandium(III) chloride + aluminum isopropoxide (555-31-7) → Sc(3+)*3Al(OC3H7)4(1-)=Sc{Al(OC3H7)4}3

Conditions	Yield
With K In isopropyl alcohol byproducts: KCl; K metal was added to i-PrOH soln. of Al(OPr-i)3 then i-PrOH soln. of ScCl3 was also added; soln. was evacuated after removal of KCl, solidifying by storing and 0 °C;	100%

N-phenylsalicylaldimine (779-84-0) + aluminum isopropoxide (555-31-7) → bis(N-phenylsalicylideneiminato)(isopropoxo) aluminium(III)

Conditions	Yield
In benzene under strictly unhydrous conditions; mixt. of sols. refluxed for 4 h, C3H7OH fractionated azeotropically with C6H6; solvent stripped off under reduced pressure; elem. anal.;	100%

potassium tetraborate tetrahydrate + water (7732-18-5) + aluminum isopropoxide (555-31-7) → K2(AlB5O10)*4H2O

Conditions	Yield
In pyridine; water High Pressure; mixt. Al(O-i-Pr)3, K2B4O7*4H2O, water and pyridine (1:2:37:56) was heated in Teflon-lined stainless steel reactor at 170°C for 7 days; react. mixt. was cooled to room temp.; elem. anal.;	100%

6,6′-di(3,5-di-tert-butyl-2-hydroxybenzene)-2,2′-bipyridine (1258497-96-9) + aluminum isopropoxide (555-31-7) → C41H53AlN2O3

Conditions	Yield
In toluene at 100℃; Glovebox; Inert atmosphere; Sealed tube;	100%

(R)-N,N’-bis(salicylidene)-1,1’-binaphthyl-2,2’-diamine + aluminum isopropoxide (555-31-7) → (R)-[2,2'-[(1,1'-binaphthalene)-2,2'-diylbis(nitrilomethylidyne)]bisphenol]AlOiPr (226927-22-6)

Conditions	Yield
In toluene at 70℃; for 48h; Inert atmosphere; Glovebox;	100%

aluminum isopropoxide (555-31-7) + salicylaldehyde (90-02-8) → 2C3H7O(1-)*Al(3+)*C7H5O2(1-)

Conditions	Yield
In benzene for 4h; Reflux;	99.85%

aluminum isopropoxide (555-31-7) + salicylaldehyde (90-02-8) → C3H7O(1-)*Al(3+)*2C7H5O2(1-)

Conditions	Yield
In benzene for 4h; Reflux;	99.76%

yttrium(III) chloride triisopropanolate + potassium (7440-09-7) + aluminum isopropoxide (555-31-7) + zirconium isopropoxide + isopropyl alcohol (67-63-0) → 2Zr(4+)*Y(3+)*2Al(3+)*17CH(CH3)2O(1-) = {Zr2(OCH(CH3)2)9Y(Al(OCH(CH3)2)4)2}

Conditions	Yield
In benzene byproducts: KCl; exclusion of moisture, KAl(OPr(i))4 (K, Al(OPr(i)3, Pr(i)OH in C6H6, reflux 2 h), added slowly to the Y-salt in benzene, stirring, 60°C, 10 h, addn. of KZr2(OPr(i))9 (K, Zr(OPr(i)4*Pr(i)OH, HOCH(CH3)2 in C6H6), stirring at 55°C, ca 12 h; filtration of KCl, evapn. under reduced pressure (0.9 Torr), viscous mass, distn. in 80% yield (193°C/0.5 Torr), elem. anal.;	99.6%

aluminum isopropoxide (555-31-7) + salicylaldehyde (90-02-8) → C21H15AlO6

Conditions	Yield
In benzene for 4h; Reflux;	99.36%

yttrium(III) chloride triisopropanolate + potassium (7440-09-7) + aluminum isopropoxide (555-31-7) + isopropyl alcohol (67-63-0) → 2Y(3+)*2Al(3+)*4Cl(1-)*8CH(CH3)2O(1-)*3CH(CH3)2OH = {((CH(CH3)2O)2Al(CH(CH3)2O)2YCl2(CH(CH3)2OH))2(CH(CH3)2OH)}

Conditions	Yield
In benzene byproducts: KCl; exclusion of moisture, slow addn. of a soln. of KAl(OPr(i))4 (prepared from K, Al(OPr(i))3, and isopropanol in benzene, reflux, 2 h) to a suspension of the Y salt in benzene, stirring at 60°C, 12 h; filtration of KCl, removal of volatiles under reduced pressure (30°C/ 1 Torr), elem. anal.;	99.2%

aluminum isopropoxide (555-31-7) + 2-hydroxynitrobenzene (88-75-5) → {Al(CH3CHOCH3)2(NO2C6H4O)}

Conditions	Yield
In benzene Stoichiometric quantity of a soln. of Al(OCH3CHCH3)3 in C6H6 is refluxed with phenol derivate for 6 h, benzene-isopropanol azeotrope is colected, exess solvent is removed under reduced pressure.; Elem. anal.;	99%

aluminum isopropoxide (555-31-7) + 2-hydroxynitrobenzene (88-75-5) → {Al(CH3CHOCH3)(NO2C6H4O)2}

Conditions	Yield
In benzene Stoichiometric quantity of a soln. of Al(OCH3CHCH3)3 in C6H6 is refluxed with phenol derivate for 6 h, benzene-isopropanol azeotrope is colected, exess solvent is removed under reduced pressure.; Elem. anal.;	99%

para-tert-butylphenol (98-54-4) + aluminum isopropoxide (555-31-7) → {Al(CH3CHOCH3)(CH3CH3CCH3C6H4O)2}

Conditions	Yield
In benzene Stoichiometric quantity of a soln. of Al(OCH3CHCH3)3 in C6H6 is refluxed with phenol derivate for 6 h, benzene-isopropanol azeotrope is colected, exess solvent is removed under reduced pressure.; Elem. anal.;	99%

yttrium(III) chloride triisopropanolate + potassium (7440-09-7) + aluminum isopropoxide (555-31-7) + zirconium isopropoxide + isopropyl alcohol (67-63-0) → 4Zr(4+)*Y(3+)*Al(3+)*22CH(CH3)2O(1-) = {(Zr2(OCH(CH3)2)9)2Y(Al(OCH(CH3)2)4)}

Conditions	Yield
In benzene byproducts: KCl; exclusion of moisture, KAl(OPr(i))4 (K, Al(OPr(i)3, Pr(i)OH in C6H6, reflux 2 h), added to Y-salt in C6H6, stirring, 60°C, 10 h, addn. of KZr2(OPr(i))9 (K, Zr(OPr(i)4*Pr(i)OH, HOCH(CH3)2 in C6H6), stirring at 55°C, ca 12 h, Y:KAl:KZr=1:1:2; filtration of KCl, evapn. under reduced pressure (0.9 Torr), viscous mass, distn. in ca 90% yield (195°C/0.5 Torr), elem. anal.;	99%

yttrium(III) chloride triisopropanolate + potassium (7440-09-7) + aluminum isopropoxide (555-31-7) + isopropyl alcohol (67-63-0) → {((OCH(CH3)2)Y(Al(OCH(CH3)2)4)2)2}

Conditions	Yield
In benzene byproducts: KCl; exclusion of moisture, slow addn. of a soln. of KAl(OPr(i))4 (prepared from K, Al(OPr(i))3 and OHCH(CH3)2 in C6H6, reflux, 2 h) to a suspension of the Y-salt in C6H6, stirring at 60°C, 6 h, addn. of KOPr(i) (K, HOCH(CH3)2 in C6H6) stirring, 6 h; evapn., pptn., distn. (163°C/0.05 Torr) yielding ca 70%, elem. anal.;	99%

yttrium(III) chloride triisopropanolate + potassium (7440-09-7) + aluminum isopropoxide (555-31-7) + isopropyl alcohol (67-63-0) → Y(3+)*Al(3+)*6CH(CH3)2O(1-) = {(Y(OCH(CH3)2)2(Al(OCH(CH3)2)4))}

Conditions	Yield
In benzene byproducts: KCl; exclusion of moisture, slow addn. of a soln. of KAl(OPr(i))4 (K, Al(OPr(i))3 and OHCH(CH3)2 in C6H6, reflux, 2 h) to a suspension of the Y-salt in C6H6, stirring, 60°C, addn. of KOPr(i) (K, HOCH(CH3)2 in C6H6) stirring, molar ratio 1:1:2 Y:KAl:K; recrystn. (n-hexane) yielding 60%;	99%

potassium (7440-09-7) + aluminum isopropoxide (555-31-7) + isopropyl alcohol (67-63-0) + mercury dichloride → mercury bis(tetraisopropoxyaluminate)

Conditions	Yield
In diethyl ether; isopropyl alcohol byproducts: KCl, Hg(Oi-Pr)2; K dissolved in i-PrOH, Al(Oi-Pr)3 added, this soln. is added to an ether soln. of the metal chloride, mixt. stirred for ca. 2 h at 0 °C, Hg:Al:K=1:1:2; filtered; elem anal.;	99%
In diethyl ether; isopropyl alcohol byproducts: KCl; K dissolved in i-PrOH, Al(Oi-Pr)3 added, this soln. is added to an ether soln. of the metal chloride, mixt. stirred for ca. 2 h at 0 °C, Hg:Al:K=1:2:2; filtered; elem anal.;	97%

Zr(O(CH3)2CCH2CH2C(CH3)2O)(O(CH3)2CCH2CH2C(CH3)2OH)2 + aluminum isopropoxide (555-31-7) → Zr(O(CH3)2CCH2CH2C(CH3)2O)3Al2(OC3H7)4 (340983-31-5)

Conditions	Yield
In benzene byproducts: isopropyl alcohol; the mixt. in benzene was refluxed for 10 h; isopropanol was sepd. during the reaction azeotropically, the volatiles were removed at room temp. under reduced pressure, recrystd. from toluene-hexane at -20°C; elem. anal.;	99%

Ti(O(CH3)2CCH2CH2C(CH3)2O)(O(CH3)2CCH2CH2C(CH3)2OH)2 + aluminum isopropoxide (555-31-7) → Ti(O(CH3)2CCH2CH2C(CH3)2O)3Al2(OC3H7)4 (340983-27-9)

Conditions	Yield
In benzene byproducts: isopropyl alcohol; the mixt. in benzene was refluxed for 10 h; isopropanol was sepd. during the reaction azeotropically, the volatiles were removed at room temp. under reduced pressure, recrystd. from toluene-hexane at -20°C; elem. anal.;	99%

potassium tetraisopropoxyaluminate + aluminum isopropoxide (555-31-7) + magnesium chloride (7786-30-3) → Mg(2+)*Cl(1-)*Al(OC3H7)4(1-)=MgCl(Al(OC3H7)4) (164989-79-1)

Conditions	Yield
In isopropyl alcohol; benzene byproducts: KCl; stirring (27°C, 12 h), pptn. (KCl), filtration; volatiles removal (reduced pressure, 27°C), recrystn. (hexane/toluene, -10°C); elem. anal.;	99%

aluminum isopropoxide (555-31-7) + cobalt(II) aceylacetonate + acetic acid (64-19-7) + acetylacetone (123-54-6) → CoAl2(OCH(CH3)2)4(CH(C(O)CH3)2)3(CH3CO2) (811437-57-7)

Conditions	Yield
In toluene Co:Al:AcOH:Hacac 1:2:1:1 molar ratio, a soln. of metal compds. refluxed,cooled to room temp., AcOH and Hacac added; crystd. (toluene);	99%

aluminum isopropoxide (555-31-7) + zinc(II) acetylacetonate (14024-63-6) + acetic acid (64-19-7) + acetylacetone (123-54-6) → ZnAl2(OCH(CH3)2)4(CH(C(O)CH3)2)3(CH3CO2) (811437-60-2)

Conditions	Yield
In toluene Zn:Al:AcOH:Hacac 1:2:1:1 molar ratio, a soln. of metal compds. refluxed,cooled to room temp., AcOH and Hacac added; crystd. (toluene);	99%

aluminum isopropoxide (555-31-7) + copper(II) acetylacetonate (13395-16-9) → CuAl2(CH(C(O)CH3)2)2(OCH(CH3)2)6

Conditions	Yield
In toluene Cu:Al 1:2 molar ratio, short-time reflux;	99%

Nb(N-butyldiethanolamine-2H)2(N-butyldiethanolamine-H) (886465-43-6) + aluminum isopropoxide (555-31-7) → Nb(N-butyldiethanolamine-2H)3(Al(OPr(i))2) (886465-35-6)

Conditions	Yield
In benzene byproducts: Pr(i)OH; to a soln. of Nb-contg. compd. (1.52 mmol) in benzene was added Al(OPr(i))3 (1.52 mmol); the soln. was refluxed for 2 h with removal of the liberated Pr(i)OH; cooling to room temp.; the volatiles were removed under reduced pressure; recrystn. from a 1:2 mixt. of CH2Cl2 and n-hexane at -20°C; elem. anal.;	99%

aluminum isopropoxide (555-31-7) + magnesium(II) acetylacetonate + acetylacetone (123-54-6) → Mg(2+)*2Al(3+)*4OCH(CH3)2(1-)*4CH(C(O)CH3)2(1-)=MgAl2(CH(C(O)CH3)2)4(OCH(CH3)2)4

Conditions	Yield
In not given Al:Mg:Hacac 2:1:2 molar ratio;	99%

(Z)-2-(2-((5-(2-hydroxyphenyl)-1H-pyrrol-2-yl)(phenyl)methylene)-2H-pyrrol-5-yl)phenol (1433119-13-1) + aluminum isopropoxide (555-31-7) → PhC((C4H2N)(C6H4)O)2Al (1162652-18-7)

Conditions	Yield
In methanol; chloroform	99%

(mesityl)C((C4H2N)(C6H4)OH)((C4H3N)(C6H4)OH) (1162652-16-5) + aluminum isopropoxide (555-31-7) → (mesityl)C((C4H2N)(C6H4)O)2Al (1162652-21-2)

Conditions	Yield
In methanol; chloroform	99%

N-phenylsalicylaldimine (779-84-0) + aluminum isopropoxide (555-31-7) → bis(N-phenylsalicylideneiminato)aluminium(III)di(μ-isopropoxo)di(isopropoxo) aluminium(III) (443286-95-1)

Conditions	Yield
In benzene byproducts: (CH3)2CHOH; under anhyd. conditions; mixt. was refluxed for 4 h; solvent was removed; elem. anal.;	98.7%
In benzene under strictly unhydrous conditions; in 1:1 molar ratio in refluxing unhydrous C6H6;

lead acetate (301-04-2) + aluminum isopropoxide (555-31-7) → [Pb(OAl(isopropoxide)2)2]

Conditions	Yield
In xylene byproducts: isopropyl acetate; addn. of Al(OCH(CH3)2)3 (2 equiv.) to xylene suspn. of anhyd. Pb(OAc)2 (1 equiv.); reflux for 8 h under continuous removal of isopropyl acetate; cooling, drying under reduced pressure, elem. anal.;	98.3%

ethanol (64-17-5) + 1-((2-hydroxyphenylimino)methyl)naphth-2-ol (894-93-9) + aluminum isopropoxide (555-31-7) + 1,3-diphenylpropanedione (120-46-7) → C32H22AlNO4*C2H6O

Conditions	Yield
In benzene for 2h; Reflux;	98.3%

Upstream product

• 67-63-0 isopropyl alcohol 
• 97-93-8 triethylaluminum 
• 5804-85-3 diethylaluminium cyanide 
• 100-99-2 triisobutylaluminum 
• 75-24-1 trimethylaluminum 
• 7429-90-5 aluminium 
• 10361-92-9 yttrium(III) chloride 
• 71-23-8 propan-1-ol 
• 532383-21-4 [Er(Al(OCH(CH₃)2)3Cl)3] 
• 532383-17-8 [Y(Al(OCH(CH₃)2)3Cl)3] 
• 532383-18-9 [La(Al(OCH(CH₃)2)3Cl)3] 
• 532383-19-0 [Pr(Al(OCH(CH₃)2)3Cl)3] 
• 532383-20-3 [Nd(Al(OCH(CH₃)2)3Cl)3] 
• 110-86-1 pyridine 

Downstream Products

• 7152-24-1 2-methylsulfanylbenzimidazole 
• 4344-61-0 1-methyl-2-(methylthio)-1H-benzimidazole 
• 3418-46-0 1,3-dimethyl-1,3-dihydro-benzoimidazole-2-thione 
• 598-53-8 isopropyl methyl ether 
• 623-21-2 (furan-2-yl)methyl butyrate 
• 22072-19-1 3-Hydroxytetrahydrothiopyran 
• 930-30-3 cyclopent-2-enone 
• 1754-00-3 3,7-dimethyl-3,6-octadienal 
• 62119-81-7 α-Methyl-2-thiophenethanol 
• 15890-36-5 trans-4-isopropylcyclohexanol 
• 22900-08-9 cis 4-isopropylcyclohexanol 
• 91-01-0 1,1-Diphenylmethanol 
• 822-67-3 Cyclohex-2-enol 
• 470-99-5 isophorol 

Relevant articles and documents

On the interaction of tetraethoxosilane with metal alkoxides: Sol-gel synthesis of alkaline-earth metal silicates

Physicochemical analyses (solubility method, conductometry, and IR spectroscopy) revealed no complex formation in M(OR)n-Si(OR) 4-ROH systems (M = Na, Ba, Al; R = Et, Pri), unlike in the systems containing alkoxides of two

Formation and transformation of Cubic ZrO2 solid solutions in the system ZrO2-Al2O3

In the system ZrO2-Al2O3, cubic ZrO2 solid solutions containing up to 40 mol% Al2O3 crystallize at low temperatures from amorphous materials prepared by the simultaneous hydrolysis of zirconium and aluminum alkoxides. The values of the lattice parameter, a, increase linearly from 0.5095 to 0.5129 nm with increasing Al2O3 content. At higher temperatures, the solid solutions transform into tetragonal ZrO2 and α-Al2O3. Pure ZrO2 crystallizes in the tetragonal form at 415° to 440°C.

The state of Al(III) in alcohol solutions of aluminum alkoxide as probed by 27Al and 13C NMR and small-angle X-ray scattering

Solutions of aluminum alkoxides obtained by interaction of aluminum metal with methyl, ethyl, and isopropyl alcohols were studied by 27Al and 13C NMR and small-angle X-ray scattering. Alkoxides with a tetrahedral environment of aluminum prevail in methanol solutions, and those with an octahedral environment of aluminum predominate in ethanol solutions. In isopropyl alcohol at 293 K, polynuclear alkoxides with tetrahedral, octahedral, and pentacoordinated aluminum environments coexist. The structure of polynuclear complexes was refined by comparison of their calculated dimensions with small-angle X-ray scattering data.

A Co-Precipitated α-Alumina (Al2O3) used as a TL-Micro Dosimeter

This study describes the preparation method of alumina (Al2O3) as a type of thermoluminescence dosimeter (TLD) to monitor gamma photons (γ-rays) in abroad band of radioactive doses (0.5 : 2000 Gy). Alumina is selected in this study because it has a relatively low cost TL material and can be easily prepared. Aluminum oxide (Al2O3) was chemically prepared using two different methods which are the Sol-Gel and Co-precipitation methods. For each method, the produced alumina (Al2O3) was divided into 4 groups which was thermally treated at (400, 600, 800, 1100 °C) respectively for 6 hours for each group. The crystalline features, morphology and sample composition of the prepared samples were chemically characterized by X-ray diffraction (XRD), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray (EDX). Al2O3 prepared by the Co-precipitation method which was treated at 1100 °C (P4) was found to exhibit the highest gamma ray response compared to other samples. The deconvolution analysis showed that the main TL glow curve consisted of (5) overlapped peaks corresponding to number of traps. The linearity of the gamma response for this sample appeared in doses ranging from 1 Gy up to 200 Gy. The minimum detectable dose that can be detected by precipitated-alumina sample (P1) was calculated mathematically to be 3.653 mGy. The fading was found to be 45.6 % after being stored for 45 days at room temperature and approximately 65 % after 90 days. This sample was reproducible according to the repeated TL results for the same sample for 5 times as their values were very close from one other with standard deviation (±σ) 0.96 %. Henceforth, Co-precipitated α-alumina can be used as a TL-Micro dosimeter.

Preparation method of high-purity alkoxy aluminum

The invention provides a preparation method of high-purity alkoxy aluminum. The preparation method comprises the steps that in the presence of activated aluminum, high-purity aluminum and C3-C6 fatty alcohol react at the temperature not higher than the boiling point of the alcohol according to the molar ratio of 1: 3-5, the high-purity alkoxy aluminum is obtained, the mass ratio of the activated aluminum to the high-purity aluminum is 1-10%, the activated aluminum is aluminum left after low-purity aluminum and C3-C6 fatty alcohol are fully reacted at the temperature not higher than the boiling point of alcohol according to the molar ratio of 1: (1.5-2.9), the purity of the low-purity aluminum is not larger than 99.90% by mass, and the purity of the high-purity aluminum is not smaller than 99.99% by mass. According to the method, the reaction time of the fatty alcohol and the metal aluminum can be effectively shortened, and other impurities except impurities carried by the metal aluminum are not introduced.

Method for removing iron impurities in alkoxy aluminum

The invention relates to a method for removing iron impurities in alkoxy aluminum. The method comprises the steps that a reducing agent and magnet powder are added into an alcoholic solution of alkoxyaluminum, a full reaction is performed, and a reaction product is filtered to remove solids so as to obtain the alcoholic solution of iron-impurity-removed alkoxy aluminum, wherein the reducing agentis one or a plurality of materials selected from elemental aluminum, hydroxylamine hydrochloride and ascorbic acid. The method is simple to operate, easy to industrialize and capable of effectively removing iron impurities to obtain high-purity alkoxy aluminum.

Method for removing iron impurities in alkoxy aluminum

The invention discloses a method for removing iron impurities in alkoxy aluminum. The method comprises the steps that supporting electrolyte is added in an alcoholic solution of the alkoxy aluminum, an electrolyte is formed by mixing evenly, an aluminum electrode is inserted into the electrolyte as a cathode, an inert electrode is used as an anode, an electrolytic reaction is conducted at the temperature being +/-80 DEG C of the boiling point of an alcoholic solution of the alkoxy aluminum, and a high-purity alcoholic solution of the alkoxy aluminum is obtained after the reaction. According tothe method, an electrolytic method is used for removing the iron impurities in the alkoxy aluminum, operation is easy, and the effect is good.

Advanced palladium free approach to the synthesis of substituted alkene oxindoles: Via aluminum-promoted Knoevenagel reaction

A synthetic route for the synthesis of C24, as well as for the design of focused libraries of direct AMPK activators was developed based on a convergent strategy. The proposed scheme corresponds to the current trends in C-H bond functionalization. The use of aluminum isopropoxide for the Knoevenagel condensation of oxindole with benzophenones is a noticeable point of this work.

Preparation method of aluminum alkoxide

The invention discloses a preparation method of aluminum alkoxide. An excessive amount of Al-N alloy powder is added into alcohol with the number of carbon atoms being 1-8, a reaction is conducted for1-3 hours at room temperature, and aluminum alkoxide is obtained after solid and liquid are separated, wherein the Al-N alloy powder is prepared through a gas atomization mode, and prepared from theraw materials of aluminum and a small amount of alloy elements which can be repeatedly used. No catalyst is needed and no heating is needed in the preparation method, the reaction condition is mild, aluminum alkoxide can be generated in one step at room temperature, the preparation method is simple and efficient, and the cost is low; and meanwhile, the safety coefficient in the production and using processes is high, transportation and storage are facilitated. In addition, harmful substances containing mercury or iodine are not used in the preparation method, and no pollution is generated to the environment.

A pharmaceutical intermediates in the synthesis of aluminum isopropoxide (by machine translation)

Abstract Drug intermediates aluminium isopropoxide synthesis method, comprises the following steps: adding 3 mol alumina, 4-5 mol isopropanol solution to the reaction 5 vessel, raising the temperature of the solution to 40-460 C, refluxing for 50-60 min, lowering the temperature of the solution to 10-15 C, and continuing the reaction until oxidation aluminum powder is completely dissolved and continues to be refluxed for 90-110 min, and distilled under reduced pressure, the fractions of 110-120 'C are collected, washed with methanol solution and washed with methylene chloride 10 solution, and dehydrated with dehydrating agent to obtain the final product.