CAS 15206-55-0 | Methyl Benzoylformate
Name: Methylbenzoylformate
CAS number: 15206-55-0
Molecular formula: C9H8O3
Molecular weight: 164.16
EINECS number: 239-263-3
MDL No.：MFCD00008443
Product Overview
Methyl benzoylformate (CAS 15206-55-0) is an alpha-keto ester widely used in photo-curable formulations and fine chemical synthesis. Functioning as a high-efficiency Type I photoinitiator, it initiates free radical polymerization upon UV exposure. It is particularly valued in UV coatings, inks, adhesives, and photoresists for minimal yellowing and high reactivity.
Primary Applications & Characteristics
- UV Curing Coatings & Inks: Serves as a primary photoinitiator in clear coats, wood finishes, graphic arts inks, and overprint varnishes where low odor and anti-yellowing performance are required.
- Adhesives & Photoresists: Promotes rapid cross-linking in optical adhesives, electronic encapsulants, and photolithography formulations.
- Chemical Intermediate: Acts as a versatile building block for synthesizing active pharmaceutical ingredients (APIs), agrochemicals, and fine organic intermediates via alpha-keto ester transformations.
- Processing Advantage: Liquid form allows ease of handling, rapid dissolution, and homogeneous mixing in monomer or oligomer resin systems.
Technical Specifications & Synonyms
| Property / Parameter | Specification / Value |
|---|---|
| Chemical Name | Methyl benzoylformate |
| CAS Registry Number | 15206-55-0 |
| EINECS Number | 239-263-3 |
| Molecular Formula | C9H8O3 |
| Molecular Weight | 164.16 g/mol |
| Appearance | Clear, pale yellow to yellowish liquid |
| Purity (GC) | ≥ 98.0% |
| Density | 1.155 g/cm³ (at 20 °C) |
| Synonyms / Alternate Names | Methyl 2-oxo-2-phenylacetate; Methyl phenylglyoxylate; Photoinitiator MBF; Benzoylformic acid methyl ester |
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