637-12-7

Basic information

• Product Name: Aluminum octadecanoate
• Synonyms: Stearic acid aluminium salt;Trioctadecanoic acid aluminum salt;Trisstearic acid aluminum salt;Tristearic acid aluminum;Tristearic acid aluminum salt;Aluminum octadecanoa;Octadecanoic acid,aluMinuM salt (3:1);Aluminum stearate, technical
• CAS NO: 637-12-7
• Molecular Formula: Al*3C₁₈H₃₅O₂
• Molecular Weight: 877.39
• EINECS: 230-325-5
• Product Categories: metal carboxylate;Industrial/Fine Chemicals;Organic-metal salt
• Mol File: 637-12-7.mol
• Article Data: 3

Chemical Properties

• Melting Point: 103°C
• Boiling Point: 359.4 °C at 760 mmHg
• Flash Point: 162.4 °C
• Appearance: white/Powder
• Density: 1.01
• Vapor Pressure: 0Pa at 25℃
• Solubility: Practically insoluble in water and in anhydrous ethanol.
• Water Solubility: Soluble in alkali, glycol, chlorinated hydrocarbons, petroleum, benzene, turpentine oil, mineral oil, vegetable oil, mixture of
• Stability: Stable. Incompatible with strong oxidizing agents.
• Merck: 14,364
• CAS DataBase Reference: Aluminum octadecanoate(CAS DataBase Reference)
• NIST Chemistry Reference: Aluminum octadecanoate(637-12-7)
• EPA Substance Registry System: Aluminum octadecanoate(637-12-7)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 22-24/25-36-26
• WGK Germany: 3
• RTECS: BD0707000
• TSCA: Yes
• Hazardous Substances Data: 637-12-7(Hazardous Substances Data)

Usage

Description

Aluminum octadecanoate, also known as aluminum stearate, is a chemical compound derived from the reaction of stearic acid with aluminum. It is a white to off-white powder with a waxy texture and is insoluble in water. Aluminum octadecanoate is known for its emulsifying, thickening, and waterproofing properties, making it a versatile ingredient in various industries.

Uses

Used in the Textile Industry:
Aluminum octadecanoate is used as a waterproofing agent for fabrics and ropes, providing them with enhanced water resistance and durability.
Used in the Paint and Varnish Industry:
Aluminum octadecanoate is used as a paint and varnish drier, accelerating the drying process and improving the overall quality of the finished product.
Used in the Lubricant Industry:
Aluminum octadecanoate is used as a thickening agent for lubricating oils, increasing their viscosity and providing better lubrication and protection for machinery.
Used in the Cement Industry:
Aluminum octadecanoate is used as a waterproofing additive in cement, enhancing the water resistance and durability of the final product.
Used in the Photographic Industry:
Aluminum octadecanoate is used in light-sensitive photographic compositions, providing improved performance and quality in photographic processes.
Used in the Cosmetics and Pharmaceutical Industry:
Aluminum octadecanoate is used as a thickener, emulsifier, and stabilizer in cosmetic and pharmaceutical formulations, improving their texture, consistency, and performance.
Used in the Plastics and Polymer Industry:
Aluminum octadecanoate is involved in the preparation of polyamides and thermosetting plastics, contributing to their properties and performance.
Used in the Grease and Lubricant Industry:
Aluminum octadecanoate is used in greases, lubricants, and cutting compounds, providing improved lubrication and protection for various applications.
Used in the Food Processing Industry:
Aluminum octadecanoate serves as a defoaming agent in beet sugar and yeast processing, helping to control foam and improve the efficiency of these processes.
Used in the Stone Care Industry:
Aluminum octadecanoate is used as a water-repellent soap for natural stone surfaces, providing protection and enhancing the appearance of the stone.

InChI:InChI:1S/3C18H36O2.Al/c3*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h3*2-17H2,1H3,(H,19,20);/q;;;+3/p-3

Synthetic route

8-quinolinol (148-24-3) + aluminum stearate (637-12-7) → tris(8-hydroxyquinolinato)aluminium(III) (136781-07-2, 475148-66-4, 2085-33-8, 107984-01-0)

Conditions	Yield
In toluene at 20℃; for 24h; Inert atmosphere; Reflux;	79%
In toluene for 72h; Heating / reflux;	5.4 g

aluminum stearate (637-12-7) + 5-Chloro-8-hydroxyquinoline (130-16-5) → tris(5-chloro-8-hydroxyquinoline(1-)) aluminum

Conditions	Yield
In toluene for 18h; Heating / reflux;	1.17 g

2-methyl-8-quinolinol (826-81-3) + aluminum stearate (637-12-7) + phenol (108-95-2) → bis(2-methyl-8-quinolinato)(phenolate)aluminum

Conditions	Yield
In toluene for 16h; Heating / reflux;	0%

yttrium stearate + aluminum stearate (637-12-7) → yttrium aluminium garnet

Conditions	Yield
at 750℃; for 4h; pH=7; Calcination;

Downstream Products

• 136781-07-2 tris(8-hydroxyquinolinato)aluminium(III) 

Relevant articles and documents

STABLE SOLUBLE SALTS OF PHENYLBENZIMIDAZOLE SULFONIC ACID AT PHS AT OR BELOW 7.0

The invention concerns preparations, particularly cosmetic or pharmaceutical/dermatological preparations, containing phenylbenzimidazole sulfonic acid (i.e. 2-phenylbenzimidazole-5-sulfonic acid) neutralised with basic amino acids such as arginine, lysine, ornithine and histidine so that the pH of the preparation can be at or below 7.0 without incurring crystallisation of the phenylbenzimidazole sulfonic acid.

Compound for the treatment of bovine mastitis

Compositions for the treatment of bovine mastitis are provided. Said compositions comprise as active compound [2-carboxy-4-/2'-(5'-nitrofuryl)]quinoline N-oxide. The method is performed in such a manner that the composition is administered to the animal, preferably by way of intramamary infusion.