Dimethylaluminum chloride
Dimethylaluminum chloride (CAS: 1184-58-3) is an organoaluminum compound with the linear formula (CH₃)₂AlCl and a molecular weight of 92.50 g/mol. This reactive chemical is a colourless liquid, often supplied as a 1.0 M solution in hexanes. It serves as a valuable reagent in organic synthesis, particularly in reactions involving alkylation and polymerisation. Its pyrophoric and water-reactive nature necessitates careful handling.
Organometallic Synthesis
Dimethylaluminum chloride is a key organometallic reagent used in various synthetic transformations, including alkylation reactions and the formation of carbon-carbon bonds. It is instrumental in constructing complex organic molecules.
Polymerisation Catalyst
This compound can function as a co-catalyst or activator in polymerisation processes, particularly for olefins. It plays a role in controlling polymer chain growth and properties.
Precursor for Other Organoaluminum Compounds
Dimethylaluminum chloride can be a starting material for the synthesis of other more complex organoaluminum reagents, which find diverse applications in catalysis and materials science.
| Molecular weight | 92.50 |
|---|---|
| Linear formula | (CH3)2AlCl |
| Assay | 97% |
| Boiling point | 126-127 °C(lit.) |
| Density | 0.996 g/mL at 25 °C(lit.) |
| Concentration | 1.0 M in hexanes |
| Vapour pressure | 79 mmHg (60 °C) |
| Melting point | −21 °C(lit.) |
Hazard statements
- H225Highly flammable liquid and vapour
- H250Catches fire spontaneously if exposed to air
- H260In contact with water releases flammable gases
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P222Do not allow contact with air
- P223Do not allow contact with water
- P231Handle under inert gas
- P370In case of fire
- P422
| Flash point | -18 °C / -.4 °F |
|---|---|
| Transport (UN / ADR) | UN 3394 4.2/PG 1 |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 14/15-17-34 |
| Safety statements (S) | 26-36/37/39-43-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Dimethylaluminum chloride used for?
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Dimethylaluminum chloride is primarily used as a reagent in organometallic synthesis, for alkylation reactions, and as a co-catalyst or activator in polymerisation processes.
What is the CAS number and formula for Dimethylaluminum chloride?
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The CAS number for Dimethylaluminum chloride is 1184-58-3, and its linear formula is (CH₃)₂AlCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions typically supplies Dimethylaluminum chloride with an assay of 97%, often as a 1.0 M solution in hexanes. TSS does not represent this product as USP/BP/EP or for pharmaceutical use.
How should Dimethylaluminum chloride be handled safely?
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Dimethylaluminum chloride is highly flammable and pyrophoric, reacting violently with water and air. It causes severe skin burns and eye damage. Handle with extreme caution under an inert atmosphere, wearing appropriate personal protective equipment.
How is Dimethylaluminum chloride packed, shipped, and exported?
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Dimethylaluminum chloride is shipped as UN 3394, Class 4.2 (spontaneously combustible), Packing Group I, under an inert atmosphere in specialised containers, complying with all international regulations for hazardous materials transport. TSS exports globally.
How can I request a sample or quote for Dimethylaluminum chloride?
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To request a sample or a quote for Dimethylaluminum chloride, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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