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n-Hexacosyl alcohol, aluminum salt serves as a functional intermediate in fine chemical synthesis and polymer engineering.
n-Hexacosyl alcohol, aluminum salt plays an essential role as a structural ingredient in fabricating advanced surface coatings, specialty industrial polishes, and custom water-repellent finishes.
CAS Number: 67905-28-6
EC Number / EINECS Number: 267-647-0
Molecular Formula: C78H159AlO3
Structural formula: Al(OC26H53)3
Molecular Weight: 1172.08 g/mol
SYNONYMS:
N-Hexacosyl alcohol, aluminum salt, 1-Hexacosanol, aluminum salt, 1-Hexacosanol, aluminum salt (3:1), Aluminium trihexacosanolate, Aluminum trihexacosanolate, Aluminum tris(hexacosan-1-olate), Aluminium tris(hexacosan-1-olate), Aluminum n-hexacosoxide, Aluminium n-hexacosoxide, Aluminum hexacosan-1-olate, Aluminum trihexacosan-1-olate, Aluminium trihexacosan-1-olate, Trihexacosanolatoaluminum, 1-Hexacosanol aluminum salt, 1-Hexacosanol aluminum salt, Aluminium trihexacosanolate, Aluminum n-hexacosoxide, 1-Hexacosanol aluminum (1:3) salt, Aluminum 1-hexacosanol, Aluminum trihexacosan-1-olate
N-Hexacosyl alcohol, aluminum salt is a long-chain aluminum alkoxide corresponding to the aluminum salt of 1-hexacosanol (ceryl alcohol).
n-Hexacosyl alcohol, aluminum salt is also known as aluminum trihexacosanolate and is structurally represented as aluminum tris(hexacosan-1-olate), in which one Al³⁺ center is associated with three C26H53O⁻ alkoxide groups.
The long C26 hydrocarbon chains give n-Hexacosyl alcohol, aluminum salt a strongly hydrophobic, highly nonpolar character, while the aluminum–oxygen alkoxide functionality gives it the characteristic moisture sensitivity and hydrolytic reactivity of aluminum alkoxides.
n-Hexacosyl alcohol, aluminum salt is relatively uncommon compared with short-chain aluminum alkoxides such as aluminum isopropoxide.
N-Hexacosyl alcohol, aluminum salt (commonly known as aluminium trihexacosanolate or aluminum n-hexacosoxide) is an organoaluminum compound.
n-Hexacosyl alcohol, aluminum salt is a metal alkoxide formed by reacting aluminum with n-hexacosyl alcohol (1-hexacosanol).
Its long C26 chains give n-Hexacosyl alcohol, aluminum salt strong affinity for hydrophobic environments and potentially useful surface-modifying characteristics.
Its high molecular weight and extremely low vapor pressure make n-Hexacosyl alcohol, aluminum salt substantially less volatile than short-chain aluminum alkoxides.
Its chemistry makes n-Hexacosyl alcohol, aluminum salt potentially useful as a specialty precursor, surface-modification intermediate and aluminum-containing material precursor.
The evidence for these potential applications is stronger at the long-chain aluminum alkoxide class level than specifically for routine commercial use of n-Hexacosyl alcohol, aluminum salt.
The molecular formula C₇₈H₁₅₉AlO₃ represents n-Hexacosyl alcohol, aluminum salt (also known as aluminum tricerotylate or aluminum cerotoxide).
n-Hexacosyl alcohol, aluminum salt is an aluminum alkoxide compound formed by one aluminum ion bonded to three long-chain aliphatic hexacosyl (cerotyl) alcohol groups.
USES and APPLICATIONS of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
N-Hexacosyl alcohol, aluminum salt can be regarded primarily as a specialty aluminum alkoxide and chemical intermediate.
One potential application of n-Hexacosyl alcohol, aluminum salt is as a precursor for aluminum-containing inorganic materials.
Long-chain aluminum alkoxides can undergo controlled hydrolysis to generate aluminum oxide or aluminum hydroxide/alumina-related materials.
Long-chain aluminum alkoxides have been investigated as precursors in processes for producing alumina-containing materials and alumina hydrates.
Another potential application of n-Hexacosyl alcohol, aluminum salt is in sol-gel and related inorganic-organic processing.
Aluminum alkoxides are important precursors in sol-gel chemistry because controlled hydrolysis and condensation can produce aluminum oxide-based materials.
Research on aluminum alkoxides demonstrates that their hydrolysis rate and ligand structure can strongly influence the resulting inorganic material.
The exceptionally long C26 chains make n-Hexacosyl alcohol, aluminum salt particularly interesting when hydrophobic organic character is desirable in an aluminum-containing precursor.
n-Hexacosyl alcohol, aluminum salt may therefore be considered for research involving hydrophobic modification of inorganic surfaces or aluminum-containing materials.
Long-chain aluminum alkoxides can also be relevant to coatings and surface-treatment technologies because the organic ligand can influence surface properties while the aluminum-containing portion can ultimately generate an inorganic aluminum oxide-type phase.
Long-chain aluminum alkoxides have been described in patent literature as alumina precursors for coating and infiltration processes, including processes involving thermal-barrier coatings.
This establishes the broader technical relevance of long-chain aluminum alkoxides, although it does not demonstrate that CAS 67905-28-6 is routinely used commercially in every such application.
Another potential area of n-Hexacosyl alcohol, aluminum salt is the preparation of hydrophobic or low-surface-energy formulations.
The C26 alkyl chains provide a strong hydrophobic contribution, making n-Hexacosyl alcohol, aluminum salt chemically interesting for surface-modification research.
n-Hexacosyl alcohol, aluminum salt may also be investigated as a specialty intermediate for preparing other aluminum-organic materials through ligand-exchange, hydrolysis, condensation or surface-reaction chemistry.
n-Hexacosyl alcohol, aluminum salt's very low volatility can be advantageous in formulations where evaporation of the aluminum-containing component is undesirable.
n-Hexacosyl alcohol, aluminum salt's high molecular weight can also be advantageous where a long-chain organic residue is required to modify the physical behavior of an aluminum-containing material.
n-Hexacosyl alcohol, aluminum salt is a standard lubricant additive, surfactant, cosmetic ingredient, food additive, pharmaceutical ingredient, or pesticide active ingredient unless a specific product or regulatory source confirms that use for CAS 67905-28-6.
n-Hexacosyl alcohol, aluminum salt belongs to the chemical class of aluminum alkoxides and is primarily utilized within industrial chemical processes and chemical research.
n-Hexacosyl alcohol, aluminum salt serves as a functional intermediate in fine chemical synthesis and polymer engineering.
n-Hexacosyl alcohol, aluminum salt plays an essential role as a structural ingredient in fabricating advanced surface coatings, specialty industrial polishes, and custom water-repellent finishes.
Because n-Hexacosyl alcohol, aluminum salt releases 1-hexacosanol upon moisture breakdown, it is highly valued in material sciences for generating thin-film layers and specialized lipid bilayer models
CHEMICAL STRUCTURE AND CHARACTERISTICS of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
N-Hexacosyl alcohol, aluminum salt belongs to the family of long-chain aluminum alkoxides.
n-Hexacosyl alcohol, aluminum salt's most important structural characteristic is the combination of a trivalent aluminum center with three very long saturated C26 alkoxide chains.
The three hexacosanolate chains make n-Hexacosyl alcohol, aluminum salt substantially larger and more hydrophobic than aluminum alkoxides containing shorter alcohol residues.
The C26 chains are saturated, linear hydrocarbon chains and therefore contain no carbon-carbon double bonds or aromatic rings.
The aluminum–oxygen bonds are chemically reactive toward water and other protic substances.
n-Hexacosyl alcohol, aluminum salt can therefore be considered an organoaluminum-type alkoxide, although it should not be confused with pyrophoric organoaluminum compounds such as trialkylaluminum reagents.
n-Hexacosyl alcohol, aluminum salt's long hydrocarbon chains can provide strong compatibility with hydrophobic or nonpolar organic environments, while its aluminum alkoxide functionality provides a chemically reactive inorganic/organic interface.
The molecular structure also explains n-Hexacosyl alcohol, aluminum salt's very low volatility.
A molecular weight of approximately 1172 g/mol combined with three C26 hydrocarbon chains makes n-Hexacosyl alcohol, aluminum salt much less volatile than conventional short-chain aluminum alkoxides.
BENEFITS AND ADVANTAGES of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
The principal technical advantage of N-Hexacosyl alcohol, aluminum salt is its combination of an aluminum alkoxide functional center with three exceptionally long hydrophobic C26 chains.
The C26 chains provide strong hydrophobic character.
The long hydrocarbon chains can improve compatibility with nonpolar organic phases compared with short-chain aluminum alkoxides.
n-Hexacosyl alcohol, aluminum salt has extremely low expected vapor pressure.
n-Hexacosyl alcohol, aluminum salt's high molecular weight reduces volatility compared with low-molecular-weight aluminum alkoxides.
The aluminum alkoxide functionality provides chemical reactivity toward water and other protic reagents.
Controlled hydrolysis can provide a route toward aluminum oxide or aluminum hydroxide-related materials.
The long alkyl chains can influence the morphology and surface characteristics of materials formed after hydrolysis.
n-Hexacosyl alcohol, aluminum salt can therefore serve as an organic-inorganic bridge between hydrophobic organic environments and aluminum-containing inorganic phases.
n-Hexacosyl alcohol, aluminum salt's chemistry is particularly interesting for specialty materials, surface modification and research into long-chain aluminum alkoxide systems.
CHARACTERISTICS of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
N-Hexacosyl alcohol, aluminum salt is a high-molecular-weight, long-chain aluminum alkoxide containing three C26 saturated hydrocarbon chains.
n-Hexacosyl alcohol, aluminum salt is a solid, highly hydrophobic and very low-volatility organoaluminum-type material.
n-Hexacosyl alcohol, aluminum salt's most important chemical feature is the reactive aluminum–alkoxide functionality.
n-Hexacosyl alcohol, aluminum salt's most important physical feature is the presence of three exceptionally long saturated hydrocarbon chains.
n-Hexacosyl alcohol, aluminum salt is moisture sensitive and undergoes hydrolysis when exposed to water.
n-Hexacosyl alcohol, aluminum salt's hydrolysis produces the corresponding long-chain alcohol together with aluminum-containing hydrolysis products.
PHYSICAL and CHEMICAL PROPERTIES of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
Chemical Name: N-Hexacosyl alcohol, aluminum salt
CAS Number: 67905-28-6
EC Number / EINECS Number: 267-647-0
IUPAC-style name: Aluminum hexacosan-1-olate
Alternative systematic name: Aluminium trihexacosanolate
Molecular Formula: C78H159AlO3
Structural formula: Al(OC26H53)3
Molecular Weight: 1172.08 g/mol
Calculated molecular weight reported by chemical databases: approximately 1172.0768 g/mol
Parent alcohol: 1-Hexacosanol
Parent alcohol CAS Number: 506-52-5
Parent alcohol molecular formula: C26H54O
Parent alcohol molecular weight: 382.7 g/mol
InChIKey: AGINRTNXYIUVJD-UHFFFAOYSA-N
Molecular weight: Approximately 1172.08 g/mol.
Molecular formula: C78H159AlO3.
Molecular architecture: One aluminum center associated with three long-chain hexacosanolate ligands.
Carbon chain length: C26 per alkoxide ligand.
Number of long hydrocarbon chains: Three.
Hydrocarbon character: Highly long-chain and strongly nonpolar.
Functional group: Aluminum alkoxide.
Metal center: Aluminum.
Oxidation state of aluminum in the idealized ionic representation: +3.
Alkoxide ligand: Hexacosan-1-olate, C26H53O−.
Hydrogen-bond donor capacity: Essentially none for the aluminum alkoxide structure because the alcohol hydrogen has been replaced by aluminum coordination.
Hydrogen-bond acceptor sites: The three alkoxide oxygen atoms can act as oxygen donor/acceptor sites in the coordination structure.
Water compatibility: Poor.
The substance should not be treated as a conventional water-soluble aluminum salt because aluminum alkoxides undergo hydrolysis rather than simply dissolving unchanged in water.
Hydrolytic behavior: Moisture-sensitive and rapidly hydrolyzable.
Contact with water causes cleavage of aluminum–oxygen alkoxide bonds and produces aluminum-containing hydrolysis products together with 1-hexacosanol.
EPA specifically states that aluminum alkoxides are expected to hydrolyze rapidly under environmental conditions.
Hydrolysis products: Aluminum oxide/aluminum hydroxide-type products together with the corresponding long-chain alcohol are expected depending on reaction conditions
Vapor pressure: EPA's category assessment gives an estimated vapor pressure below 1 × 10⁻¹⁰ mm Hg at 25 °C for the long-chain aluminum alkoxide supporting chemicals, including 1-hexacosanol aluminum salt.
This indicates extremely low volatility.
The EPA also emphasizes that these physical-chemical values are largely estimates and that the submitted data were based on the corresponding alcohols rather than direct measurements of the actual aluminum alkoxide.
Boiling behavior: EPA estimates a boiling point above 300 °C, while another database gives a calculated boiling point of approximately 411.9 °C at 760 mmHg. Because aluminum alkoxides are thermally unstable and may decompose rather than undergo a clean normal boiling transition, the calculated boiling point should not be interpreted as a reliable experimental boiling point.
Flash point: A calculated value of approximately 139.2 °C has been reported by ChemBlink. This is a calculated value rather than a confirmed experimental product specification.
Melting point: A definitive experimental melting point for CAS 67905-28-6 was not identified in the authoritative sources reviewed.
EPA reports no melting-point data for the individual long-chain aluminum alkoxides and notes that such materials may have ill-defined melting behavior.
Solubility in water: The substance is not expected to have meaningful unchanged water solubility because it reacts with water through hydrolysis.
Log Kow: A reliable experimental log Kow for the intact aluminum alkoxide was not identified.
EPA states that log Kow is not applicable to the intact aluminum alkoxide because of its rapid hydrolysis.
Henry's law constant: Not considered applicable by EPA because of hydrolysis.
Dissociation constant: Not applicable in the conventional sense for the aluminum alkoxide.
EPA notes that the corresponding long-chain alcohols are extremely weak acids and dissociate only under strongly basic conditions.
Polarity: Low overall polarity because the molecule contains three very long C26 hydrocarbon chains and only the aluminum–oxygen region provides significant polarity.
Hydrophobicity: Very high.
Lipophilicity: Expected to be high because of the three very long saturated hydrocarbon chains. This is a structural property and should not be confused with a measured log Kow for the intact aluminum alkoxide.
Volatility: Extremely low.
Water sensitivity: High.
Moisture sensitivity: High.
Thermal behavior: Aluminum alkoxides are generally thermally unstable and can decompose when strongly heated rather than behaving as simple low-molecular-weight organic liquids.
Physical stability: Relatively stable under dry conditions but susceptible to hydrolysis in the presence of atmospheric moisture or liquid water.
Appearance: Waxy solid or fine powder.
Hydrogen Bond Donors: 0.
Water Solubility: Insoluble.Hydrolysis
Behavior: Decomposes rapidly in water.
Byproducts: Yields alumina and hexacosanol.
Organic Solubility: Dissolves in hot organic solvents.
Thermal Stability: Sensitive to atmospheric moisture.
FIRST AID MEASURES of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available
ACCIDENTAL RELEASE MEASURES of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.
EXPOSURE CONTROLS/PERSONAL PROTECTION of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of N-HEXACOSYL ALCOHOL, ALUMINUM SALT:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
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