Cadmium(2+);bis(octadecanoate)

C36H70CdO4

cadmium(2+);bis(octadecanoate)

CAS2223-93-0

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Identification

CAS Number
2223-93-0
EC Number
218-743-6
UN Number
2570
Index Number
048-001-00-5
PubChem CID
16681

Physical-chemical properties

Molecular Formula
C36H70CdO4
Molar Mass
679.40 g/mol
IUPAC Name
cadmium(2+);bis(octadecanoate)

Chemical Identifiers

InChI
InChI=1S/2C18H36O2.Cd/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
InChI Key
GWOWVOYJLHSRJJ-UHFFFAOYSA-L

Overview

Cadmium(2+);bis(octadecanoate) (CAS 2223-93-0) is an organometallic compound consisting of cadmium cations coordinated with two octadecanoate (stearate) anions, forming a metal soap with distinctive thermal and lubricating properties. This cadmium-based stearate represents a specialized class of metallic soaps widely utilized in industrial applications requiring specific thermal stability and processing characteristics. With the molecular formula C36H70CdO4 and a molecular weight of 679.4 g/mol, this compound exhibits the typical properties of long-chain fatty acid metal salts while incorporating the unique characteristics imparted by the cadmium center. The compound's structure features cadmium ions chelated by octadecanoic acid residues, creating a coordination complex that demonstrates excellent thermal stability and compatibility with various polymer matrices. Unlike simpler aromatic compounds such as 4-nitroaniline or 4-nitrophenol, cadmium stearate provides specialized functionality in high-temperature processing environments where traditional organic additives may decompose. Due to its cadmium content, this material requires careful handling and is classified under ADR transport class 6.1, indicating its toxic nature. Proper safety protocols must be implemented during storage, handling, and processing to minimize exposure risks. The compound's toxicity profile necessitates specialized waste management procedures and compliance with environmental regulations governing heavy metal compounds. Primary industrial applications include its use as a heat stabilizer in PVC processing, where it prevents thermal degradation during high-temperature fabrication. Additionally, it serves as a lubricant additive in specialized applications and as a processing aid in polymer compounding operations where its unique thermal properties provide distinct advantages over conventional alternatives. OYSI maintains availability of cadmium(2+);bis(octadecanoate) for qualified industrial customers requiring this specialized organometallic compound for technical applications.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Transport (ADR)

UN Number2570
ADR Class6.1
Packing Group
Tunnel Code
Proper Shipping NameCadmiumstearat, fest
Marine PollutantNo

Frequently Asked Questions

What is cadmium(2+);bis(octadecanoate)?

Cadmium(2+);bis(octadecanoate) is an organometallic compound consisting of cadmium ions coordinated with two octadecanoate (stearate) ligands. With the molecular formula C36H70CdO4 and CAS number 2223-93-0, this substance has a molecular weight of 679.4 g/mol. It belongs to the family of cadmium salts of fatty acids, specifically stearic acid, combining the properties of both the metal center and the long-chain fatty acid components.

What are the physicochemical properties of cadmium(2+);bis(octadecanoate)?

Cadmium(2+);bis(octadecanoate) is typically a solid compound at room temperature with a waxy or crystalline appearance. As a cadmium stearate, it exhibits low solubility in water but may show better solubility in organic solvents and hot oils. The compound has a relatively high molecular weight of 679.4 g/mol due to its long alkyl chains. It likely has a melting point characteristic of metal stearates and may exhibit lubricating properties typical of fatty acid salts.

What is cadmium(2+);bis(octadecanoate) used for?

Cadmium(2+);bis(octadecanoate) is primarily used as a stabilizer and lubricant in various industrial applications. It serves as a heat stabilizer in polymer processing, particularly in PVC applications, and acts as a lubricant in metalworking operations. The compound may also be used in specialty coatings, as a catalyst in certain chemical reactions, and in the production of specialized materials where both cadmium properties and fatty acid characteristics are required for specific performance criteria.

How to handle cadmium(2+);bis(octadecanoate) safely?

Cadmium(2+);bis(octadecanoate) requires careful handling due to cadmium toxicity concerns. Operators should wear appropriate personal protective equipment including nitrile gloves, safety goggles, and respiratory protection when dust generation is possible. Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid skin contact, inhalation, and ingestion. Implement good hygiene practices including thorough hand washing after handling and avoid eating, drinking, or smoking in work areas.

How to store cadmium(2+);bis(octadecanoate) correctly?

Cadmium(2+);bis(octadecanoate) should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from heat sources and direct sunlight. Keep containers protected from moisture and incompatible materials such as strong acids, bases, and oxidizing agents. Storage areas should be equipped with appropriate containment measures and access should be restricted to trained personnel. Maintain proper inventory records and ensure containers are clearly labeled with appropriate hazard information.

What to do in case of contact with cadmium(2+);bis(octadecanoate)?

In case of skin contact with cadmium(2+);bis(octadecanoate), immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. If eye contact occurs, rinse immediately with clean water for at least 15 minutes and seek medical attention. In case of inhalation, move the person to fresh air immediately. If ingestion occurs, do not induce vomiting and seek immediate medical attention. Always consult a physician if exposure occurs.

How to dispose of cadmium(2+);bis(octadecanoate) properly?

Cadmium(2+);bis(octadecanoate) must be disposed of as hazardous waste according to local and national regulations due to its cadmium content. Contact licensed hazardous waste disposal companies for proper collection and treatment. Never dispose of this substance in regular waste streams, sewers, or the environment. Ensure all containers are properly labeled and documented for waste tracking purposes. Follow applicable WEEE, RoHS, and other environmental regulations regarding cadmium-containing materials.

How to transport cadmium(2+);bis(octadecanoate)?

Cadmium(2+);bis(octadecanoate) is classified as dangerous goods under ADR Class 6.1 (toxic substances) for transportation purposes. Shipments must comply with proper packaging requirements, labeling, and documentation according to international dangerous goods regulations. Use UN-approved packaging and ensure proper hazard marking and shipping papers accompany the shipment. Transportation should only be handled by trained personnel familiar with dangerous goods regulations and emergency response procedures.

Is cadmium(2+);bis(octadecanoate) subject to specific regulations?

Cadmium(2+);bis(octadecanoate) is subject to various regulations due to its cadmium content, including REACH registration requirements in the EU and restrictions under the RoHS Directive for electronic applications. The substance falls under cadmium restrictions in many jurisdictions due to environmental and health concerns. Users must comply with occupational exposure limits, environmental discharge regulations, and product-specific restrictions. Consult current regulatory databases and local authorities for the most up-to-date requirements in your region.

Where to buy cadmium(2+);bis(octadecanoate) in Europe?

Cadmium(2+);bis(octadecanoate) is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides reliable supply chains for industrial chemicals across Europe, ensuring compliance with regulatory requirements and quality standards. As a professional distributor, OYSI can provide technical support, safety documentation, and regulatory compliance assistance. Contact OYSI directly for availability, specifications, and ordering information specific to your application requirements and geographic location within Europe.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.