Description

1,5-Difluoro-2,4-dinitrobenzene (CAS No. 327-92-4) is a high-purity aromatic compound with the molecular formula C₆H₂F₂N₂O₄, widely utilized in organic synthesis and pharmaceutical research. This yellow crystalline solid exhibits excellent reactivity due to the presence of electron-withdrawing nitro and fluoro groups, making it a valuable intermediate for nucleophilic substitution reactions. With a molecular weight of 204.09 g/mol, it is soluble in organic solvents such as acetone, DMSO, and ethanol but insoluble in water. Ideal for laboratory-scale derivatization, cross-coupling, and fluorination studies, this compound is rigorously tested for purity (typically ≥98% by GC or HPLC) and is supplied in secure, light-resistant packaging to ensure stability. Store in a cool, dry place under inert conditions to maintain optimal shelf life.

Properties

• CAS Number: 327-92-4
• Complexity: 227
• IUPAC Name: 1,5-difluoro-2,4-dinitro-benzene
• InChI: InChI=1S/C6H2F2N2O4/c7-3-1-4(8)6(10(13)14)2-5(3)9(11)12/h1-2H
• InChI Key: VILFTWLXLYIEMV-UHFFFAOYSA-N
• Exact Mass: 203.99826287
• Molecular Formula: C6H2F2N2O4
• Molecular Weight: 204.09
• SMILES: C1=C(C(=CC(=C1[N+](=O)[O-])F)F)[N+](=O)[O-]
• Topological: 91.6
• Monoisotopic Mass: 203.99826287
• Physical Description: Powder;
• Synonyms: 1,5-Difluoro-2,4-dinitrobenzene, 327-92-4, 1,3-Difluoro-4,6-dinitrobenzene, Benzene, 1,5-difluoro-2,4-dinitro-, 4,6-Difluoro-1,3-dinitrobenzene, EINECS 206-324-0, G5VV4MQ22V, NSC 10246, NSC-10246, DTXSID6059813, 2,4-Dinitro-1,5-difluorobenzene, 4,6Difluoro1,3dinitrobenzene, DTXCID9038557, Benzene, 1,5difluoro2,4dinitro, 206-324-0, DFDNB, 1,3-Dinitro-4,6-difluorobenzene, 2,4-difluoro-1,5-dinitrobenzene, UNII-G5VV4MQ22V, MFCD00007052, SCHEMBL45486, SCHEMBL18934671, SCHEMBL18934796, Benzene,5-difluoro-2,4-dinitro-, NSC10246, GEO-04311, SBB057211, AKOS000121134, AC-9710, Benzene, 1,3-difluoro-4,6-dinitro-, FD66627, GS-3137, 1,5-Difluoro-2,4-dinitrobenzene, 97%, PD193934, DB-048267, D1649, NS00041863, ST50308249, EN300-27208, A20578, Q27278804, InChI=1/C6H2F2N2O4/c7-3-1-4(8)6(10(13)14)2-5(3)9(11)12/h1-2, 2,4-Dinitro-1,5-difluorobenzene;2,6-dinitro-3,5-difluorobenzene;4,6-Difluoro-1,3-dinitrobenzene

Application

1,5-Difluoro-2,4-dinitrobenzene serves as a versatile building block in the synthesis of fluorinated aromatic compounds, particularly in pharmaceutical and agrochemical research. Its electron-deficient structure facilitates nucleophilic aromatic substitution (S_NAr) reactions, enabling the introduction of heteroatoms or functional groups. Researchers employ it in the development of dyes, sensors, and advanced materials due to its robust reactivity. Additionally, it is used as a derivatizing agent for analytical chemistry applications, enhancing detection sensitivity in chromatographic methods.

Safety and Hazards

GHS Hazard Statements

• H300 (95.7%): Fatal if swallowed [Danger Acute toxicity, oral]
• H311 (89.1%): Toxic in contact with skin [Danger Acute toxicity, dermal]
• H315 (10.9%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (10.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H319 (10.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H331 (87%): Toxic if inhaled [Danger Acute toxicity, inhalation]
• H373 (87%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]

Precautionary Statements

• P260, P261, P262, P264, P264+P265, P270, P271, P272, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P316, P319, P321, P330, P332+P317, P333+P317, P337+P317, P361+P364, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 2 (95.7%)
• Acute Tox. 3 (89.1%)
• Skin Irrit. 2 (10.9%)
• Skin Sens. 1 (10.9%)
• Eye Irrit. 2 (10.9%)
• Acute Tox. 3 (87%)
• STOT RE 2 (87%)

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