Magnesium bis(2,2,6,6-tetramethyl-3,5-heptanedionate) hydrate
Magnesium bis(2,2,6,6-tetramethyl-3,5-heptanedionate) hydrate (CAS: 21361-35-3) is a magnesium organometallic compound with the linear formula [(CH3)3CCOCHC(O)C(CH3)3]2Mg·xH2O. It has a molecular weight of 390.84 (anhydrous basis) and is primarily utilised as a precursor in chemical vapour deposition (CVD) and atomic layer deposition (ALD) processes for thin film applications. This compound is supplied by Tech Serve Solutions with a typical assay of 97%.
- IUPAC
- 2,2,6,6-Tetramethyl-3,5-heptanedione magnesium derivative,Mg(TMHD)2
- Synonyms
- 6-tetramethyl-3,5-heptanedionate) hydrate21361-35-3[(CH3)3CCOCHC(O)C(CH3)3]2Mg·xH2OMg(TMHD)22,2,6,6-Tetramethyl-3,5-heptanedione magnesium derivative

CVD and ALD Precursor
This magnesium complex serves as a volatile precursor for Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) techniques. It is employed to deposit magnesium-containing thin films and oxides.
Materials Science
Utilised in materials science research and development, this compound aids in the synthesis of novel materials and the study of their properties. Its well-defined structure makes it suitable for controlled material fabrication.
Micro/Nanoelectronics Fabrication
The compound is applied in the microelectronics industry for the fabrication of advanced electronic components. Its use in vapour deposition enables the precise layering of materials required for semiconductor manufacturing.
| Molecular weight | 390.84 (anhydrous basis) |
|---|---|
| Linear formula | [(CH3)3CCOCHC(O)C(CH3)3]2Mg·xH2O |
| Assay | 97% |
| Melting point | 145-150 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 bis(2,2,6,6-tetramethyl-3,5-heptanedionate) hydrate used for?
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Magnesium bis(2,2,6,6-tetramethyl-3,5-heptanedionate) hydrate is predominantly used as a precursor in Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) for the creation of thin films in materials science and micro/nanoelectronics.
What are the CAS number and formula for this compound?
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The CAS number is 21361-35-3, and the linear formula is [(CH3)3CCOCHC(O)C(CH3)3]2Mg·xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Magnesium bis(2,2,6,6-tetramethyl-3,5-heptanedionate) hydrate with a typical assay of 97%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should this chemical be handled safely?
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This compound is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95, wear eyeshields and gloves. Ensure adequate ventilation and avoid breathing dust. P261 and P305 + P351 + P338 are key precautionary statements.
Is this chemical a controlled substance?
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The provided data does not indicate that this chemical is a controlled substance.
How is this product packed, shipped, and exported?
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Tech Serve Solutions professionally packs, handles, and exports chemicals globally, adhering to all necessary regulations for safe and compliant transport.
How can I request a sample or quote?
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To request a sample or a quote, please contact our sales team directly through the website or by phone. We are happy to assist with your specific requirements.
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