Description

N-Methylphthalimide (CAS No. 550-44-7) is a high-purity organic compound with the molecular formula C₉H₇NO₂. This white to off-white crystalline solid is widely utilized in synthetic chemistry and material science due to its versatile reactivity as a phthalimide derivative. With an IUPAC name of 2-methylisoindole-1,3-dione, it serves as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and advanced polymers. Our product is rigorously tested for purity (typically ≥98% by HPLC) and is supplied with comprehensive analytical documentation including ¹H NMR and FTIR spectra. Suitable for research and industrial applications, it is packaged under inert atmosphere to ensure stability and long shelf life.

Key Specifications:
– CAS Number: 550-44-7
– Molecular Weight: 161.16 g/mol
– Melting Point: 138-142°C
– Storage: Room temperature, dry conditions
– Hazard Information: Irritant (GHS07)

Properties

• CAS Number: 550-44-7
• Complexity: 213
• IUPAC Name: 2-methylisoindoline-1,3-dione
• InChI: InChI=1S/C9H7NO2/c1-10-8(11)6-4-2-3-5-7(6)9(10)12/h2-5H,1H3
• InChI Key: ZXLYYQUMYFHCLQ-UHFFFAOYSA-N
• Exact Mass: 161.047678466
• Molecular Formula: C9H7NO2
• Molecular Weight: 161.16
• SMILES: CN1C(=O)C2=CC=CC=C2C1=O
• Topological: 37.4
• Monoisotopic Mass: 161.047678466
• Physical Description: Dry Powder
• Synonyms: N-Methylphthalimide, 550-44-7, Phthalimide, N-methyl-, 1H-Isoindole-1,3(2H)-dione, 2-methyl-, N-methyl phthalimide, 2-methyl-isoindole-1,3-dione, EINECS 208-982-4, NSC 44059, BRN 0124428, DTXSID5027198, AI3-01393, 647UP45J2U, NSC-44059, DTXCID807198, 5-21-10-00273 (Beilstein Handbook Reference), 208-982-4, 2-Methylisoindoline-1,3-dione, 2-methylisoindole-1,3-dione, 2-METHYL-1H-ISOINDOLE-1,3(2H)-DIONE, MFCD00023063, NCGC00164164-02, UNII-647UP45J2U, N-Nethylphthalimide, NSC44059, N-Methylphthalimide, 98%, SCHEMBL28262, SCHEMBL28263, SCHEMBL401816, SCHEMBL401817, 1H-Isoindole-1, 2-methyl-, CHEMBL172614, SCHEMBL2124760, SCHEMBL3931355, 2-methylbenzo[c]azoline-1,3-dione, Tox21_400053, SBB087509, STL483065, 2-methylbenzo[c]azolidine-1,3-dione, AKOS002384372, CS-W016139, SB64121, NCGC00164164-01, NCGC00164164-03, CAS-550-44-7, SY017788, 2-Methyl-1H-isoindole-1,3(2H)-dione #, DB-050520, M0299, NS00022360, ST50495742, D71133, AE-848/00900046, Q27263715

Application

N-Methylphthalimide is primarily employed as a building block in organic synthesis, particularly in the preparation of heterocyclic compounds and functional materials. It finds application in pharmaceutical research as a precursor for bioactive molecules and in polymer chemistry as a monomer for heat-resistant resins. The compound’s reactivity also makes it valuable in dye synthesis and as a ligand in coordination chemistry.

Safety and Hazards

GHS Hazard Statements

• H315 (98.6%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (98.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (97.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (98.6%)
• Eye Irrit. 2 (98.6%)
• STOT SE 3 (97.2%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.