Description

2-Methyl-4′-(methylthio)-2-morpholinopropiophenone (CAS No. 71868-10-5) is a high-purity organic compound with the molecular formula C₁₅H₂₁NO₂S. This compound, also known by its IUPAC name 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholin-4-ylpropan-1-one, is widely recognized in the polymer and materials science industries as a highly effective photoinitiator. It is particularly valued for its ability to generate free radicals upon exposure to UV light, facilitating rapid polymerization in coatings, adhesives, and inks. With a molecular weight of 279.40 g/mol, this crystalline solid exhibits excellent solubility in organic solvents, making it ideal for industrial formulations. Its stability under storage conditions and consistent performance in UV-curable systems make it a preferred choice for researchers and manufacturers seeking reliable photoinitiation solutions.

Properties

• CAS Number: 71868-10-5
• Complexity: 305
• IUPAC Name: 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholino-propan-1-one
• InChI: InChI=1S/C15H21NO2S/c1-15(2,16-8-10-18-11-9-16)14(17)12-4-6-13(19-3)7-5-12/h4-7H,8-11H2,1-3H3
• InChI Key: LWRBVKNFOYUCNP-UHFFFAOYSA-N
• Exact Mass: 279.12930009
• Molecular Formula: C15H21NO2S
• Molecular Weight: 279.4
• SMILES: CC(C)(C(=O)C1=CC=C(C=C1)SC)N2CCOCC2
• Topological: 54.8
• Monoisotopic Mass: 279.12930009
• Physical Description: Other Solid; Liquid; Pellets or Large Crystals, Liquid; NKRA
• Synonyms: 71868-10-5, 2-Methyl-4′-(methylthio)-2-morpholinopropiophenone, CACCURE 907, Irganox 907, DTXSID8038857, 1-Propanone, 2-methyl-1-[4-(methylthio)phenyl]-2-(4-morpholinyl)-, 722CLJ6H6K, 2-Methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one, 2-Methyl-1-[4-(methylthio)phenyl]-2-morpholino-1-propanone, DTXCID6018857, EC 400-600-6, 1-Propanone, 2-methyl-1-(4-(methylthio)phenyl)-2-(4-morpholinyl)-, IR-907, 2-Methyl-1-(4-(methylthio)phenyl)-2-morpholino-1-propanone, MTMP cpd, MTMPP, 400-600-6, 615-621-8, 2-Methyl-1-(4-(methylthio)phenyl)-2-morpholinopropan-1-one, 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholin-4-ylpropan-1-one, 2-Methyl-4-(Methylthio)-2-Morpholinopropiophenone, Irgacure 907, Caccure 907; MMMP; MTMP, 2-methyl-1-[4-(methylthio)phenyl] -2-morpholino-1-propanone, UNII-722CLJ6H6K, 2-methyl-1-(4-methylthiophenyl)-2-morpholin-4-ylpropan-1-one, 2-methyl-1-[4-(methylthio)phenyl]-2-morpholinopropan-1-one, MLS000084908, MFCD00083014, MMMP, 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholino-propan-1-one, SCHEMBL27554, 2-Methyl-4′-(methylthio)-2-morpholino propiophenone, 2-Methyl-4/’-(methylthio)-2-morpholinopropiophenone, C15H21NO2S, CHEMBL1411716, HMS2360J09, Tox21_301664, 2-methyl-1-[4-(methylthio)phenyl]-2-(4-morpholinyl)-1-propanone, SBB056749, AKOS000520617, DS-3825, NCGC00255462-01, AC-16227, PD057059, SMR000019254, CAS-71868-10-5, DB-055579, HY-116654, CS-0066164, EU-0035716, M2028, NS00003224, ST50319490, D70455, 2-methyl-4′-(methylthio)-2-morpholinopropiophenon, AG-690/11961983, BRD-K58799690-001-07-3, Q27266008, 2-methyl-1-(4-methylthiophenyl)-2-morpholino-1-propanone, 2-Methyl-4′-(methylthio)-2-morpholinopropiophenone, 98%, 2-Methyl-1-[4-(methylthio)-phenyl]-2-morpholinopropan-1-one, 2-methyl-1-[4-(methylsulfanyl)phenyl]-2-morpholin-4-ylpropan-1-one, 1-Propanone, 2-methyl-1-[4-(methylthio)phenyl]-2-(4-4-morpholinyl)-, 2-Methyl-1-[4-(methylsulfanyl)phenyl]-2-(4-morpholinyl)-1-propanone, 2-Methyl-1-[4-(methylsulfanyl)phenyl]-2-(4-morpholinyl)-1-propanone #

Application

2-Methyl-4′-(methylthio)-2-morpholinopropiophenone is primarily used as a photoinitiator in UV-curable coatings, inks, and adhesives, where it enables fast and efficient polymerization under UV light exposure. Its robust reactivity makes it suitable for applications in industrial coatings, electronic materials, and 3D printing resins. Researchers also utilize this compound in photopolymerization studies due to its consistent free-radical generation and compatibility with various monomer systems.

Safety and Hazards

GHS Hazard Statements

• H360: May damage fertility or the unborn child [Danger Reproductive toxicity]

Precautionary Statements

• P203, P280, P318, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (99.4%)
• Repr. 1B (24.8%)
• Aquatic Chronic 2 (99.4%)

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