Magnesium di-tert-butoxide
Magnesium di-tert-butoxide (CAS: 32149-57-8), with the linear formula (CH3)3COMgOC(CH3)3 and a molecular weight of 170.53 g/mol, is a powerful organic base. It is frequently employed as a reagent in organic synthesis for deprotonation and other base-mediated transformations. Its sterically hindered nature makes it a valuable tool for selective reactions in academic research and industrial chemical processes. TSS supplies this compound with an assay of ≥85%.
- IUPAC
- Magnesium tert-butoxide
- Synonyms
- Magnesium tert-butoxide

Organic Synthesis Reagent
Utilised as a strong, sterically hindered base in various organic reactions, including deprotonations and elimination reactions. Its bulky tert-butoxide groups can influence regioselectivity and stereoselectivity.
Deprotonation Agent
Effectively removes acidic protons from a range of organic substrates, facilitating the formation of carbanions and other reactive intermediates for subsequent transformations.
Catalysis
Can act as a catalyst or co-catalyst in certain polymerisation and condensation reactions, owing to its basic and alkoxide nature.
| Molecular weight | 170.53 |
|---|---|
| Linear formula | (CH3)3COMgOC(CH3)3 |
| Assay | ≥85% |


Hazard statements
- H228Flammable solid
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2921 8/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-14-34 |
| Safety statements (S) | 26-36/37/39-43-45 |
| Supplemental hazards | Reacts violently with water. |
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 Magnesium di-tert-butoxide used for?
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Magnesium di-tert-butoxide is primarily used as a strong, sterically hindered organic base in synthetic organic chemistry for deprotonation and other base-mediated reactions.
What is the CAS number and formula for Magnesium di-tert-butoxide?
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The CAS number is 32149-57-8, and its linear formula is (CH3)3COMgOC(CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Magnesium di-tert-butoxide with an assay of ≥85%. This is a technical or research grade material, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should Magnesium di-tert-butoxide be handled?
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Magnesium di-tert-butoxide is a flammable solid that reacts violently with water and is corrosive. Handle with extreme care in a well-ventilated area, wearing appropriate personal protective equipment including eye protection, gloves, and respiratory protection. Avoid contact with water, acids, and oxidising agents. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.
How is Magnesium di-tert-butoxide packed and shipped?
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Magnesium di-tert-butoxide is shipped as UN 2921, Hazard Class 8, Packing Group II, requiring specialised packaging and handling due to its hazardous nature. TSS is a global supplier and exporter experienced in handling and shipping such materials.
How can I request a quote or sample?
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To request a quote or a sample of Magnesium di-tert-butoxide, please contact the TSS sales team through our website or by phone, providing your specific requirements.
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