4-Methylpropiophenone, recognized by its CAS number 5337-93-9, is an aromatic ketone that serves as a vital intermediate in the synthesis of pharmaceuticals and fine chemicals. This colorless to slightly yellowish liquid chemical functions as a versatile building block, enabling the introduction of the p-tolyl and propionyl moieties into complex organic molecules through Grignard reactions or halogenation. In industrial photographic chemical production and the manufacture of ultraviolet-curable coatings, it is utilized as a precursor for various photoinitiators and fragrance fixatives, ensuring high reaction yields and purity in downstream synthesis. We provide this material with competitive factory pricing, supporting requirements for customized specifications to meet specific industrial grade and purity standards. All shipments are accompanied by comprehensive MSDS, TDS, COA documentation to ensure full regulatory compliance and are available for bulk supply to support continuous large-scale manufacturing processes.
4-Methylpropiophenone CAS 5337-93-9
- CAS: 5337-93-9
- Synonyms: p-Methylpropiophenone, 1-(4-Methylphenyl)propan-1-one, Ethyl p-tolyl ketone, 4-Methylphenyl ethyl ketone
- Einecs: 226-267-5
- Molecular Formula: C10H12O
- Grade: Industrial grade 99%
- Package: 200kg iron drum or 50kg plastic drum packing
Product Description
4-Methylpropiophenone, chemical formula C10H12O, molecular weight 148.20, CAS number 5337-93-9, also known as 4-tolueneylethane, 4-methylphenylacetone, etc., is an organic compound. It is a yellowish liquid at room temperature, with a density of 0.993 g/mL (25 °C), a melting point of 7.2 °C, a boiling point of 238-239 °C (another 238.5±0.0 °C recorded), a flash point of 96.1 °C (closed cup 109 °C), and a refractive index of 1.528。 Its vapor pressure is 0.0±0.4 mmHg (25°C), and it should be stored in a dark and dry place in a dark and dry place
chemical formula：C10H12O
molecular weight：148.2
CAS login number：5337-93-9
EINECS login number：226-267-5
Density：0.964 g/cm³
Appearance and properties: light yellow liquid
Melting point: 7.2 °C
Boiling point: 238-239 °C(lit.)
Flash point: 229 °F
Refractive index: n20/D 1.528(lit.)
FAQ - Technical & Supply Chain
-
Q:
How is the isomeric purity of 4-Methylpropiophenone ensured for sensitive chemical synthesis?
A: The chemical identity is strictly controlled under CAS 5337-93-9, with rigorous monitoring of the para-substitution pattern on the benzene ring to ensure predictable reactivity and consistent physical properties in industrial batches. -
Q:
Is 4-Methylpropiophenone suitable for use as a precursor in the production of pharmaceutical intermediates?
A: Yes, this compound is typically applied as a starting material in the synthesis of various active pharmaceutical ingredients and specialty chemicals, intended for professional industrial manufacturing rather than general laboratory research.
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Packaging, Storage, and Handling Notes
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Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.
Sample, Bulk Order and Repeat Supply Support
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For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.
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