4-Methylpropiophenone, CAS 5337-93-9, is an aromatic ketone intermediate used in pharmaceutical and fine chemical synthesis, as well as a precursor for photoinitiators and UV-curable systems. Confirm the required specification and handling requirements for the intended reaction.
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 is an aromatic ketone identified by CAS 5337-93-9 and EC/EINECS 226-267-5.
Synonyms: p-Methylpropiophenone; 1-(4-Methylphenyl)propan-1-one; Ethyl p-tolyl ketone; 4-Methylphenyl ethyl ketone.
CAS: 5337-93-9.
Molecular formula: C₁₀H₁₂O.
Molecular weight: 148.20.
EC number: 226-267-5.
It normally appears as a colorless to pale yellow liquid.
Typical properties include melting point about 7.2 °C, boiling point about 238-239 °C, density about 0.993 g/mL, flash point about 96-109 °C, and refractive index about 1.528.
It is mainly used as an organic synthesis intermediate in pharmaceutical, fine chemical, fragrance and specialty chemical production.
It also serves as a precursor for photoinitiators and UV-curable coating systems and can be used in electrocarboxylation and related transformations.
Confirm assay, appearance and color, related positional isomers, residual solvent or water, boiling range, and refractive index.
Confirm the current product-specific specification.
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Document requirements should be confirmed from the current specification, SDS, COA, or other product-specific files.
Regulated-use suitability must be confirmed separately with current product-specific documentation.
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FAQ - Technical & Supply Chain
-
Q:
What is 4-Methylpropiophenone CAS 5337-93-9?
A: 4-Methylpropiophenone is an aromatic ketone with CAS 5337-93-9, molecular formula C₁₀H₁₂O and molecular weight about 148.2. It is also called p-methylpropiophenone, 1-(4-methylphenyl)propan-1-one or ethyl p-tolyl ketone and normally appears as a colorless to pale yellow liquid. -
Q:
What is 4-Methylpropiophenone used for?
A: It is mainly used as an organic synthesis intermediate in pharmaceutical, fine chemical, fragrance and specialty chemical production. It also serves as a precursor for photoinitiators and UV-curable coating systems and can be used in electrocarboxylation and related professional transformations. -
Q:
What specifications should be checked when buying 4-Methylpropiophenone?
A: Confirm the assay, appearance and color, related positional isomers, residual solvent or water, boiling range and refractive index. The industrial product is commonly supplied at about 99% purity, so the required application and downstream reaction conditions should determine the final specification. -
Q:
How should 4-Methylpropiophenone be stored and handled?
A: Store 4-Methylpropiophenone in a cool, dry, ventilated area in tightly closed containers away from strong oxidizers, heat, sparks and open flames. Use suitable chemical-resistant PPE and ventilation, avoid unnecessary exposure, and follow applicable spill and disposal requirements.
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