Atomfair 5-methyl-2,3-dihydro-1H-indene-1,3-dione C10H8O2 CAS 50919-77-2

Description

5-Methyl-2,3-dihydro-1H-indene-1,3-dione (CAS No. 50919-77-2) is a high-purity organic compound with the molecular formula C₁₀H₈O₂. This indene derivative, also known as 5-methylindene-1,3-dione, is a versatile building block in synthetic organic chemistry, particularly in the development of pharmaceuticals, agrochemicals, and advanced materials. Its rigid bicyclic structure and reactive diketone functionality make it an ideal intermediate for cyclization, condensation, and functionalization reactions. Available in >98% purity (HPLC), this compound is supplied as a fine crystalline powder, ensuring consistent performance in research and industrial applications. Proper storage under inert conditions is recommended to maintain stability.

Properties

• CAS Number: 50919-77-2
• Complexity: 232
• IUPAC Name: 5-methylindane-1,3-dione
• InChI: InChI=1S/C10H8O2/c1-6-2-3-7-8(4-6)10(12)5-9(7)11/h2-4H,5H2,1H3
• InChI Key: OOGJCWRSXJSCJR-UHFFFAOYSA-N
• Exact Mass: 160.052429494
• Molecular Formula: C10H8O2
• Molecular Weight: 160.17
• SMILES: CC1=CC2=C(C=C1)C(=O)CC2=O
• Topological: 34.1
• Monoisotopic Mass: 160.052429494
• Synonyms: 5-methyl-2,3-dihydro-1H-indene-1,3-dione, 991-551-4, 50919-77-2, 5-Methyl-1H-indene-1,3(2H)-dione, 5-methylindene-1,3-dione, 5-Methyl-indan-1,3-dione, SCHEMBL3254156, DTXSID80568931, ACA91977, AKOS027324843, EN300-254384, H37429, Z1513599546

Application

5-Methyl-2,3-dihydro-1H-indene-1,3-dione serves as a key precursor in the synthesis of bioactive molecules, including potential kinase inhibitors and anti-inflammatory agents. Its conjugated diketone moiety enables participation in Michael additions and Diels-Alder reactions for complex heterocycle construction. Researchers also utilize it in material science for developing organic semiconductors due to its electron-accepting properties. The methyl substitution enhances solubility for streamlined processing in solution-phase chemistry.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (100%): 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 (100%)
• Eye Irrit. 2A (100%)
• STOT SE 3 (100%)

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