Hydrochloric Acid → Aluminum isopropoxide

HRID 1611899Notes

Reaction equation

HRID 1611899 reaction equation
[CH:1]([O:4]C(C)C)([CH3:3])[CH3:2].[Al:8].Cl.O.[NH:11]1[C:21](=[O:22])[C:20]2[NH:19][C:17](=[O:18])[NH:16][C:15]=2[NH:14][ClH:12]1=[O:13]>C(O)C>[CH3:2][CH:1]([CH3:3])[O-:4].[Al+3:8].[CH3:2][CH:1]([CH3:3])[O-:4].[CH3:2][CH:1]([CH3:3])[O-:4].[NH:11]1[C:21](=[O:22])[C:20]2[NH:19][C:17](=[O:18])[NH:16][C:15]=2[NH:14][ClH:12]1=[O:13]

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 962WaterHCID 87252159HCID 87252159, compound

Product 1

HCID 11143Aluminum isopropoxide

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

In this example, 3 grams of aluminum isopropyloxide is first dissolved in anhydrous ethanol. The pH is adjusted to 2 by HCl. 10 ml of a non-ionic surfactant polyglycol octyl phenyl ether is then added to the solution. 4 ml of a water solution of chlorauric acid which has a concentration of 0.04 mol/L is then added. After thorough mixing, a homogeneous, transparent light yellow colored AIP (aluminum isopropoxide), chlorauric acid and surfactant mixture is obtained. By slowly adding 15 ml 3 wt. % of ammonia water solution into above mixture, aluminum isopropoxide is hydrolyzed completely to obtain a light yellow colored, thick aluminum hydroxide gel. The reaction is allowed to continue for 3 hours. 6 ml of 0.3 mol/L of NaBH4 water solution is then added for a reduction process to obtain a homogeneous, purple colored aluminum hydroxide gel. Continuing the reaction for two more hours and aged at high temperature for 10 hours. After filtering, washing, drying and calcining, Au/Al2O3 catalyst is obtained.

Workup

  1. additionis then added

Sources & evidence

ORD record
ord-5b90845dcde548ec9725ace24e5649a1
Source dataset
uspto-grants-2006_01
Patent number
US06992039B2

Reaction notes

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