Chloro(diethyl)alumane;dichloro(ethyl)alumane
C6H15Al2Cl3
chloro(diethyl)alumane;dichloro(ethyl)alumane
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Identification
- CAS Number
- 12075-68-2
- EC Number
- 235-137-7
- UN Number
- 3394
- PubChem CID
- 25508
Physical-chemical properties
- Molecular Formula
- C6H15Al2Cl3
- Molar Mass
- 247.50 g/mol
- IUPAC Name
- chloro(diethyl)alumane;dichloro(ethyl)alumane
Chemical Identifiers
- InChI
- InChI=1S/3C2H5.2Al.3ClH/c3*1-2;;;;;/h3*1H2,2H3;;;3*1H/q;;;+1;+2;;;/p-3
- InChI Key
- LDXMUMPEDOQULK-UHFFFAOYSA-K
Overview
Chloro(diethyl)alumane;dichloro(ethyl)alumane (CAS 12075-68-2) is an organoaluminum compound mixture featuring reactive aluminum-carbon bonds and moderate chlorination levels. This organoaluminum compound represents a specialized mixture of two distinct aluminum species: chloro(diethyl)alumane and dichloro(ethyl)alumane, with the molecular formula C6H15Al2Cl3 and a molar mass of 247.5 g/mol. The EC number 235-137-7 identifies this substance within European chemical regulations. As a member of the organoaluminum family, it shares structural similarities with other aluminum alkyls such as tripropylalumane and trioctylalumane, though it differs significantly due to the presence of chlorine substituents that modify its reactivity profile. The compound exhibits characteristic organoaluminum properties, including high reactivity toward moisture and oxygen, making it pyrophoric in nature. This explains its ADR classification as Class 4.2 (substances liable to spontaneous combustion). The mixed composition provides a unique balance of reactivity and selectivity, with the diethyl species offering higher nucleophilicity while the dichloro variant provides enhanced electrophilic character. Industrial applications primarily focus on catalytic processes, particularly in polymerization reactions where controlled aluminum-carbon bond formation is essential. The compound serves as an effective cocatalyst in Ziegler-Natta polymerization systems, contributing to the production of polyolefins with specific molecular weight distributions. Additionally, it finds use in specialized organic synthesis as a selective reducing agent and in the preparation of other organoaluminum derivatives. Proper handling requires inert atmosphere conditions and specialized storage protocols due to its pyrophoric nature and sensitivity to moisture. Safety protocols must address both the chemical reactivity and the potential for spontaneous ignition. OYSI maintains reliable supply chains for this specialized organoaluminum compound, supporting European industrial customers with consistent quality and technical expertise.
Safety & Classification
No Hazard Classification
This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.
Transport (ADR)
| UN Number | 3394 |
| ADR Class | 4.2 |
| Packing Group | I |
| Tunnel Code | B/E |
| Proper Shipping Name | Ethylaluminiumsesquichlorid, flüssig, pyrophor |
| Marine Pollutant | No |
Frequently Asked Questions
What is chloro(diethyl)alumane;dichloro(ethyl)alumane?
Chloro(diethyl)alumane;dichloro(ethyl)alumane is an organoaluminum compound with the molecular formula C6H15Al2Cl3 and CAS number 12075-68-2. This chemical substance has a molecular weight of 247.5 g/mol and consists of a mixture of aluminum-containing compounds with ethyl and chloro substituents. It belongs to the family of alkylaluminum compounds, which are characterized by their highly reactive nature and sensitivity to moisture and air.
What are the physicochemical properties of chloro(diethyl)alumane;dichloro(ethyl)alumane?
Chloro(diethyl)alumane;dichloro(ethyl)alumane is typically a colorless to pale yellow liquid at room temperature. As an organoaluminum compound, it exhibits high reactivity with water and oxygen, leading to hydrolysis and oxidation reactions. The substance is likely soluble in organic solvents such as hydrocarbons and ethers but reacts violently with protic solvents like water and alcohols, producing aluminum hydroxide and releasing flammable gases.
What is chloro(diethyl)alumane;dichloro(ethyl)alumane used for?
Chloro(diethyl)alumane;dichloro(ethyl)alumane is primarily used as a catalyst or co-catalyst in polymerization reactions, particularly in the production of polyolefins and other synthetic polymers. It serves as a Lewis acid catalyst in organic synthesis reactions and may be employed in metallurgy for aluminum deposition processes. The compound is also utilized in specialized chemical manufacturing processes where controlled alkylation or aluminum incorporation is required.
How to handle chloro(diethyl)alumane;dichloro(ethyl)alumane safely?
Chloro(diethyl)alumane;dichloro(ethyl)alumane requires careful handling due to its pyrophoric nature and reactivity with moisture. Essential safety measures include wearing appropriate personal protective equipment (PPE) such as chemical-resistant gloves, safety goggles, and protective clothing. Work must be conducted in a well-ventilated area or under inert atmosphere conditions. Keep the substance away from water, moisture, heat sources, and oxidizing agents to prevent dangerous reactions.
How to store chloro(diethyl)alumane;dichloro(ethyl)alumane correctly?
Chloro(diethyl)alumane;dichloro(ethyl)alumane must be stored in tightly sealed containers under an inert atmosphere, preferably nitrogen or argon, to prevent contact with moisture and oxygen. Storage areas should be cool, dry, and well-ventilated, away from heat sources and incompatible materials such as water, alcohols, and oxidizing agents. The storage facility should be equipped with appropriate fire suppression systems and emergency response equipment.
What to do in case of contact with chloro(diethyl)alumane;dichloro(ethyl)alumane?
Chloro(diethyl)alumane;dichloro(ethyl)alumane contact requires immediate emergency response. For skin contact, remove contaminated clothing and flush the affected area with copious amounts of water for at least 15 minutes. In case of eye contact, rinse immediately with water and seek medical attention. If inhaled, move the person to fresh air and provide respiratory support if needed. For ingestion, do not induce vomiting and seek immediate medical care.
How to dispose of chloro(diethyl)alumane;dichloro(ethyl)alumane appropriately?
Chloro(diethyl)alumane;dichloro(ethyl)alumane disposal must comply with local and international hazardous waste regulations. The substance should be neutralized carefully by trained professionals using appropriate quenching agents under controlled conditions. Disposal should only be performed by licensed hazardous waste management companies. Never dispose of this chemical down drains or in regular waste streams due to its reactive nature and potential environmental impact.
How to transport chloro(diethyl)alumane;dichloro(ethyl)alumane?
Chloro(diethyl)alumane;dichloro(ethyl)alumane is classified as ADR Class 4.2, Packing Group I, indicating it is a spontaneously combustible substance with high danger. Transportation requires specialized packaging that prevents contact with moisture and air. Vehicles must carry appropriate emergency equipment and documentation. Only trained personnel should handle the transportation, and specific routing restrictions may apply. Emergency response procedures must be readily available during transport.
Is chloro(diethyl)alumane;dichloro(ethyl)alumane subject to specific regulations?
Chloro(diethyl)alumane;dichloro(ethyl)alumane is subject to various chemical regulations including REACH registration requirements in Europe. While it is not classified as a Substance of Very High Concern (SVHC), it must comply with CLP regulation for classification, labeling, and packaging. Industrial users must follow workplace safety regulations and may require permits for handling and storage. Environmental discharge regulations also apply to prevent contamination.
Where to buy chloro(diethyl)alumane;dichloro(ethyl)alumane in Europe?
Chloro(diethyl)alumane;dichloro(ethyl)alumane is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides professional-grade chemicals to industrial customers across Europe, ensuring proper handling, documentation, and regulatory compliance. As a specialized organoaluminum compound, it is typically available through chemical suppliers that focus on organometallic compounds and catalysts for industrial applications. Professional consultation is recommended for procurement and handling requirements.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.