Description

2,4-Difluorobenzoic Acid (CAS No. 1583-58-0) is a high-purity fluorinated aromatic carboxylic acid with the molecular formula C₇H₄F₂O₂. This white to off-white crystalline powder is a versatile building block in pharmaceutical, agrochemical, and materials science research. With a molecular weight of 158.10 g/mol, it exhibits excellent stability under standard laboratory conditions. Our product is rigorously tested to ensure ≥98% purity (HPLC) and is supplied in sealed containers to prevent moisture absorption. Ideal for nucleophilic substitution reactions, metal-catalyzed couplings, and derivatization, this compound is a key intermediate in the synthesis of active pharmaceutical ingredients (APIs) and liquid crystal materials. Available in research (1g-100g) and bulk quantities with customizable packaging options.

Properties

• CAS Number: 1583-58-0
• Complexity: 161
• IUPAC Name: 2,4-difluorobenzoic acid
• InChI: InChI=1S/C7H4F2O2/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3H,(H,10,11)
• InChI Key: NJYBIFYEWYWYAN-UHFFFAOYSA-N
• Exact Mass: 158.01793569
• Molecular Formula: C7H4F2O2
• Molecular Weight: 158.10
• SMILES: C1=CC(=C(C=C1F)F)C(=O)O
• Topological: 37.3
• Monoisotopic Mass: 158.01793569
• Physical Description: White, odorless crystalline powder;
• Synonyms: 2,4-Difluorobenzoic acid, 1583-58-0, Benzoic acid, 2,4-difluoro-, EINECS 216-430-9, DTXSID00166397, NSC 10312, DTXCID0088888, 216-430-9, inchi=1/c7h4f2o2/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3h,(h,10,11, njybifyewywyan-uhfffaoysa-n, 2,4-Difluorobenzoicacid, MFCD00011670, 2,4-dfba, 2,4-Difluorobenzoic-d3 Acid, 2,4-Difluorobenzoic acid; NSC 10312, 2,4-Difluoro-benzoic acid, NSC10312, 2,4-difluorbenzoic acid, 2,4-difluorobezoic acid, 2,4 difluorobenzoic acid, 2,4-difluoro benzoic acid, SCHEMBL366061, SCHEMBL7612594, 2,4-Difluorobenzoic acid, 98%, NSC-10312, SBB063446, STL169004, AKOS000119359, AB01069, AC-3099, CS-W002068, HY-W002068, PS-8819, BP-12833, SY003827, DB-023758, D1833, NS00020388, ST50824669, EN300-20294, Q63397983, F0001-0564, Z104477622

Application

2,4-Difluorobenzoic acid serves as a critical precursor in the synthesis of fluorinated pharmaceuticals, particularly protease inhibitors and antifungal agents. It’s widely employed in material science for creating liquid crystal displays (LCDs) and advanced polymers with enhanced thermal stability. Researchers utilize this compound to develop novel agrochemicals due to its ability to modify bioavailability and metabolic resistance in active ingredients.

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 (98.7%): 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. 2 (100%)
• STOT SE 3 (98.7%)

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