Michler’s ketone
Michler's ketone (CAS 90-94-8), chemically known as 4,4′-Bis(dimethylamino)benzophenone, is an organic compound with the formula [(CH3)2NC6H4]2CO and a molecular weight of 268.35 g/mol. It functions as a highly effective photoinitiator in various UV-curing applications, particularly for inks, coatings, and adhesives. Its ability to absorb UV light and generate free radicals makes it a key component in photopolymerization processes.
- IUPAC
- 4,4′-Bis(dimethylamino)benzophenone
- Synonyms
- 4,4′-Bis(dimethylamino)benzophenone4,4′-Bis(N,N-dimethylamino)benzophenoneMichler's macro ketoneDMBA-ketoneBis(p-dimethylaminophenyl)methane-4-one
![Michler’s ketone ([(CH3)2NC6H4]2CO) — chemical structure, CAS 90-94-8; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F90-94-8.png&w=3840&q=75)
UV Curing Applications
Michler's ketone serves as a crucial photoinitiator in UV-curable formulations for inks, coatings, and adhesives. It efficiently absorbs UV radiation, initiating the polymerization process for rapid curing.
Dye Synthesis
This compound is used as an intermediate in the synthesis of various dyes and colorants. Its chemical structure allows for the formation of chromophoric systems.
Photopolymerization
It acts as a coinitiator in photopolymerization reactions, enabling the formation of polymers upon exposure to ultraviolet light. This is vital in producing specialized polymers and materials.
| Molecular weight | 268.35 |
|---|---|
| Linear formula | [(CH3)2NC6H4]2CO |
| Assay | 98% |
| Melting point | 174-176 °C(lit.) |
Hazard statements
- H318Causes serious eye damage
- H341Suspected of causing genetic defects
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P308IF exposed or concerned
| 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 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-41-68 |
| Safety statements (S) | 53-45 |
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 Michler's ketone used for?
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Michler's ketone is primarily used as a photoinitiator in UV-curable inks, coatings, and adhesives, and as an intermediate in dye synthesis. It is also employed in photopolymerization processes.
What is the CAS number and chemical formula for Michler's ketone?
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The CAS number for Michler's ketone is 90-94-8, and its chemical formula is [(CH3)2NC6H4]2CO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Michler's ketone with an assay of 98%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should Michler's ketone be handled safely?
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Michler's ketone presents significant hazards, indicated by the signal word 'Danger' and hazard statements H318 (Causes serious eye damage), H341 (Suspected of causing genetic defects), and H350 (May cause cancer). Appropriate personal protective equipment, including eyeshields, face shields, and suitable respirators and gloves, must be used. Handle only in well-ventilated areas and avoid exposure. Refer to the Safety Data Sheet for comprehensive handling instructions.
How is Michler's ketone packed and shipped?
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Tech Serve Solutions packs and exports Michler's ketone in compliance with all relevant transportation regulations to ensure safe delivery worldwide.
How can I request a quote or sample for Michler's ketone?
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To request a quote or sample for Michler's ketone, please contact our sales team through the website or provide your details via the product enquiry form.
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