Methylaluminoxane solution
Methylaluminoxane solution (CAS 120144-90-3), molecular formula [-Al(CH3)O-]n, is a high-purity chemical supplied by Tech Serve Solutions for organometallic reagents applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- MAO

| Molecular weight | 58.02 |
|---|---|
| Linear formula | [-Al(CH3)O-]n |
| Boiling point | 111 °C |
| Density | 0.875 g/mL at 25 °C |
| Concentration | 10 wt. % in toluene |
| Vapour pressure | 0.76 mmHg (60 °C) |
| Storage temperature | 2-8°C |
| Application | Dialkylmetallocenes can undergo exchange reactions with methylaluminoxane.1 |



Hazard statements
- H250Catches fire spontaneously if exposed to air
- H260In contact with water releases flammable gases
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H336May cause drowsiness or dizziness
- H361D
- H373May cause damage to organs through prolonged exposure
Precautionary statements
- P222Do not allow contact with air
- P223Do not allow contact with water
- P231Handle under inert gas
- P261Avoid breathing dust, fume, gas or vapours
- P370In case of fire
- P422
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3394 4.3(4.2) / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 63-38-48/20-65-67 |
| Safety statements (S) | 36/37-62 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 Methylaluminoxane solution?
+
Methylaluminoxane solution (CAS 120144-90-3), molecular formula [-Al(CH3)O-]n, is a high-purity chemical supplied by Tech Serve Solutions for organometallic reagents applications, to USP, BP and EP standards.
What grades of Methylaluminoxane solution does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methylaluminoxane solution in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Methylaluminoxane solution?
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Methylaluminoxane solution has CAS number 120144-90-3 and molecular formula [-Al(CH3)O-]n. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Methylaluminoxane solution?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Methylaluminoxane solution ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Methylaluminoxane solution be stored?
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Store Methylaluminoxane solution in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Methylaluminoxane solution used for?
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Methylaluminoxane solution is used in organometallic reagents applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Methylaluminoxane solution?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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