Description

2,4,5-Trifluorobenzaldehyde (CAS No. 165047-24-5) is a high-purity fluorinated aromatic aldehyde with the molecular formula C₇H₃F₃O. This compound is a versatile building block in organic synthesis, particularly in pharmaceutical and agrochemical research. Its trifluorinated structure enhances reactivity and stability, making it ideal for nucleophilic substitutions and cross-coupling reactions. Available in >98% purity (GC), it is supplied in sealed containers under inert gas to ensure longevity and prevent degradation. Suitable for use in Grignard reactions, reductive aminations, and as a precursor for heterocyclic compounds. Store in a cool, dry place away from light and moisture.

Properties

• CAS Number: 165047-24-5
• Complexity: 151
• IUPAC Name: 2,4,5-trifluorobenzaldehyde
• InChI: InChI=1S/C7H3F3O/c8-5-2-7(10)6(9)1-4(5)3-11/h1-3H
• InChI Key: CYIFJRXFYSUBFW-UHFFFAOYSA-N
• Exact Mass: 160.01359920
• Molecular Formula: C7H3F3O
• Molecular Weight: 160.09
• SMILES: C1=C(C(=CC(=C1F)F)F)C=O
• Topological: 17.1
• Monoisotopic Mass: 160.01359920
• Synonyms: 2,4,5-Trifluorobenzaldehyde, 165047-24-5, DTXSID20333948, DTXCID60285038, 605-382-8, cyifjrxfysubfw-uhfffaoysa-n, MFCD00061196, Sitagliptin Impurity 17, Benzaldehyde, 2,4,5-trifluoro- (9CI), 2,4,5-trifluorbenzaldehyde, 2,4,5-trifluorobenzoaldehyde, SCHEMBL150019, 2,4,5-trifluoro-benzaldehyde, SCHEMBL5153508, 2,4,5-Trifluorobenzaldehyde, 97%, SBB047989, STK503616, AKOS005063906, AC-3860, CS-W009003, AS-11134, DB-023771, NS00120889, ST50824760, T2319, A21306, EN300-112011, Z1203162167

Application

2,4,5-Trifluorobenzaldehyde is widely used as a key intermediate in the synthesis of pharmaceuticals, including antiviral and antifungal agents. Its electron-deficient aromatic ring facilitates electrophilic substitutions, enabling the production of complex fluorinated scaffolds. Researchers also employ it in material science for designing liquid crystals and OLED components. The compound’s reactivity makes it valuable in agrochemical development for crop protection products.

Safety and Hazards

GHS Hazard Statements

• H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (97.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 3 (100%)
• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)
• STOT SE 3 (97.9%)

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