Description

2,5-Dichlorobenzoic Acid (CAS No. 50-79-3) is a high-purity organic compound with the molecular formula C₇H₄Cl₂O₂, widely utilized in pharmaceutical, agrochemical, and material science research. This white to off-white crystalline powder exhibits excellent stability under standard conditions, making it ideal for synthetic applications. With an IUPAC name of 2,5-dichlorobenzoic acid, it serves as a versatile intermediate in the synthesis of complex molecules, including active pharmaceutical ingredients (APIs) and specialty chemicals. Our product is rigorously tested for purity (≥98% by HPLC) and is supplied in secure, lab-friendly packaging to ensure integrity. Suitable for use in Grignard reactions, carboxylation, and electrophilic substitution processes, this compound is a must-have for researchers focused on heterocyclic chemistry and fine chemical development.

Properties

• CAS Number: 50-79-3
• Complexity: 161
• IUPAC Name: 2,5-dichlorobenzoic acid
• InChI: InChI=1S/C7H4Cl2O2/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3H,(H,10,11)
• InChI Key: QVTQYSFCFOGITD-UHFFFAOYSA-N
• Exact Mass: 189.9588348
• Molecular Formula: C7H4Cl2O2
• Molecular Weight: 191.01
• SMILES: C1=CC(=C(C=C1Cl)C(=O)O)Cl
• Topological: 37.3
• Monoisotopic Mass: 189.9588348
• Physical Description: 2,5-dichlorobenzoic acid appears as needles or white powder.
• Boiling Point: 574 °F at 760 mmHg
• Melting Point: 304 to 309 °F
• Solubility: less than 1 mg/mL at 66 °F
• Vapor Pressure: 0.000447 [mmHg]
• Synonyms: 2,5-DICHLOROBENZOIC ACID, Benzoic acid, 2,5-dichloro-, KP7CMR0GSD, UNII-KP7CMR0GSD, EINECS 200-065-7, NSC 41889, BRN 0973353, CCRIS 8609, DTXSID5024978, AI3-33415, NSC-41889, DTXCID504978, CHEBI:132298, BENZOIC ACID,2,5-DICHLORO, DICHLOROBENZOIC ACID, 2,5-, Benzoic acid, 2,5dichloro, Dichlorobenzoic acid, 2,5, 200-065-7, 4-09-00-01005 (beilstein handbook reference), inchi=1/c7h4cl2o2/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3h,(h,10,11, qvtqysfcfogitd-uhfffaoysa-n, 50-79-3, 2,5-dichlorobenzoicacid, MFCD00002416, 2,5-Dichloro-benzoic acid, 35915-19-6, 2,5dichlorobenzoic acid, 2.5-Dichlorobenzoic acid, WLN: QVR BG EG, 2,5-dichloro benzoic acid, SCHEMBL224469, CHEMBL326312, SCHEMBL5667181, SCHEMBL7229495, SCHEMBL7239828, 2,5-Dichlorobenzoic acid, 97%, NSC41889, Tox21_200321, CK2192, SBB064047, STK803302, AKOS000119480, BS-4048, CS-W013225, FD16113, CAS-50-79-3, NCGC00091859-01, NCGC00091859-02, NCGC00091859-03, NCGC00257875-01, AC-10697, SY013549, D0338, NS00032147, ST45024155, EN300-19828, AB01329944-02, Q27225521, F0001-1303, Z104475668, 2,5-Dichlorobenzoic acid, PESTANAL(R), analytical standard

Application

2,5-Dichlorobenzoic acid is primarily employed as a key intermediate in the synthesis of herbicides, fungicides, and pharmaceutical compounds. Its reactive carboxyl and chloro groups enable facile derivatization for the production of specialized agrochemicals. Researchers also utilize it in coordination chemistry to develop metal-organic frameworks (MOFs) and catalysts. Additionally, it serves as a precursor in the manufacture of dyes and polymer additives.

Safety and Hazards

GHS Hazard Statements

• H315 (92.9%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (92.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (91.1%): 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 (92.9%)
• Eye Irrit. 2 (92.9%)
• STOT SE 3 (91.1%)

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