Description

2-Chloro-6-hydroxybenzaldehyde (CAS No. 18362-30-6) is a high-purity aromatic aldehyde derivative widely utilized in organic synthesis, pharmaceutical research, and material science. With the molecular formula C₇H₅ClO₂, this compound features a chloro and hydroxyl functional group ortho to the formyl group, making it a versatile intermediate for heterocyclic chemistry and ligand design. Its crystalline form (97% purity) ensures consistent reactivity in nucleophilic substitutions, condensation reactions, and metal-complexation studies. Ideal for researchers developing novel bioactive molecules, agrochemicals, or coordination polymers. Packaged under inert conditions to maintain stability and shipped with detailed analytical data (HPLC, NMR, MS).

Properties

• CAS Number: 18362-30-6
• Complexity: 127
• IUPAC Name: 2-chloro-6-hydroxy-benzaldehyde
• InChI: InChI=1S/C7H5ClO2/c8-6-2-1-3-7(10)5(6)4-9/h1-4,10H
• InChI Key: MVTWVXYIKIVAOJ-UHFFFAOYSA-N
• Exact Mass: 155.9978071
• Molecular Formula: C7H5ClO2
• Molecular Weight: 156.56
• SMILES: C1=CC(=C(C(=C1)Cl)C=O)O
• Topological: 37.3
• Monoisotopic Mass: 155.9978071
• Synonyms: 2-chloro-6-hydroxybenzaldehyde, 18362-30-6, DTXSID20336015, DTXCID70287104, 675-607-2, 6-chlorosalicylaldehyde, Benzaldehyde, 2-chloro-6-hydroxy-, 6-CHLORO-2-HYDROXYBENZALDEHYDE, MFCD01646166, 2-chloro-6-hydroxy-benzaldehyde, SCHEMBL320613, 2-hydroxy-6-chlorobenzaldehyde, 2-hydroxy-6-chlorobenz-aldehyde, Benzaldehyde, 6-chloro-2-hydroxy, CL8270, SBB052161, 2-Chloro-6-hydroxybenzaldehyde, 97%, AKOS015912364, CS-W017992, MB01945, PS-5086, AC-30173, SY026919, DB-007153, C3526, EN300-45287, AC-907/34118020, (Dichloromethyl)(dimethyl)[(1-pentyldecyl)oxy]silane, Z385458800

2-Chloro-6-hydroxybenzaldehyde serves as a key precursor in synthesizing Schiff bases for catalytic applications and antimicrobial agents. It is employed in the preparation of fused heterocycles like benzofurans and quinazolines. Researchers also use it to develop fluorescent probes and chelating ligands for transition-metal catalysis. Its ortho-substitution pattern facilitates selective functionalization in complex molecular architectures.

Safety and Hazards

GHS Hazard Statements

• H302 (95.3%): Harmful if swallowed [Warning Acute toxicity, oral]
• H318 (93%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

Precautionary Statements

• P264, P264+P265, P270, P280, P301+P317, P305+P354+P338, P317, P330, and P501

Hazard Classes and Categories

• Acute Tox. 4 (95.3%)
• Eye Dam. 1 (93%)

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