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Aluminium isopropoxide

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Aluminium isopropoxide Basic information

Product Name:
Aluminium isopropoxide
Synonyms:
  • ALUMINUMISOPROPOXIDE,PRACTICAL
  • Aluminum propan-2-olate
  • Aluminum trisisopropoxide
  • Aluminum isopropoxide,AIP, Aluminum isopropylate, Aluminum triisopropoxide
  • Aluminium isopropoxi
  • Aluminium isopropoxide, (trace metal basis), 99.99%
  • Aluminium(III) isopropoxide 99.99+%
  • AluMiniuM isopropoxide, 99.99%, (trace Metal basis)
CAS:
555-31-7
MF:
C9H21AlO3
MW:
204.24
EINECS:
209-090-8
Product Categories:
  • Organic-metal salt
  • Titanium Alkoxides, etc. (Homogeneous Catalysts)
  • Al (Alminum) Compounds
  • Catalysts for Organic Synthesis
  • Classes of Metal Compounds
  • Homogeneous Catalysts
  • Pharmaceutical Intermediates
  • Synthetic Organic Chemistry
  • Typical Metal Compounds
  • metal alkoxide
  • Imidazoles ,Homopiperidines
  • bc0001
  • 555-31-7
Mol File:
555-31-7.mol
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Aluminium isopropoxide Chemical Properties

Melting point:
128-133 °C (lit.)
Boiling point:
125-130 °C (38 mmHg)
Density 
1.035 g/mL at 25 °C (lit.)
vapor pressure 
0.13 hPa (21 °C)
refractive index 
1.0346
Flash point:
46 °C
storage temp. 
Store below +30°C.
solubility 
REACTS
form 
Crystalline Powder (May Contain Chunks)
color 
White
Specific Gravity
1.035
explosive limit
2%(V)
Water Solubility 
REACTS
Sensitive 
Moisture Sensitive
Hydrolytic Sensitivity
8: reacts rapidly with moisture, water, protic solvents
Merck 
14,347
BRN 
3910275
Exposure limits
ACGIH: TWA 1 mg/m3
InChIKey
SMZOGRDCAXLAAR-UHFFFAOYSA-N
LogP
0.05 at 25℃
CAS DataBase Reference
555-31-7(CAS DataBase Reference)
NIST Chemistry Reference
Aluminum isopropoxide(555-31-7)
EPA Substance Registry System
2-Propanol aluminum salt (555-31-7)
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Safety Information

Hazard Codes 
F
Risk 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
HS Code 
29051900
Hazardous Substances Data
555-31-7(Hazardous Substances Data)
Toxicity
LD50 orally in rats: 11.3 g/kg (Smyth)

MSDS

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Aluminium isopropoxide Usage And Synthesis

Description

Aluminium isopropoxide is usually described with the formula Al(O-i-Pr)3, where i-Pr is the isopropyl group (CH(CH3)2). This colourless solid is a useful reagent in organic synthesis. The structure of this compound is complex, possibly time dependent, and may depend on the solvent. It is primarily used in the oil and gas industry in combination with phosphate esters to form an anionic association polymer in which the aluminium as the cross-linking agent. Such gelling agents are used as fluid loss control additives in drilling operations.

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

It is used in a number of organic syntheticreactions and in the manufacture of manytypes of products, including aluminum soaps,paints, and waterproofing finishes.

Uses

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.

Uses

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.

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.]

Aluminium isopropoxideSupplier

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