Description

4-Chloro-2-methylphenol (CAS No. 1570-64-5) is a chlorinated phenolic compound with the molecular formula C₇H₇ClO. This high-purity chemical is widely utilized in organic synthesis, pharmaceutical intermediates, and as a preservative due to its antimicrobial properties. Its IUPAC name, 4-chloro-2-methylphenol, reflects its structural composition featuring a chloro substituent at the 4-position and a methyl group at the 2-position of the phenol ring. Available in crystalline or powder form, this compound is rigorously tested for purity, ensuring optimal performance in research and industrial applications. Suitable for laboratory and bulk use, it is packaged under controlled conditions to maintain stability and shelf life.

Properties

• CAS Number: 1570-64-5
• Complexity: 94.9
• IUPAC Name: 4-chloro-2-methyl-phenol
• InChI: InChI=1S/C7H7ClO/c1-5-4-6(8)2-3-7(5)9/h2-4,9H,1H3
• InChI Key: RHPUJHQBPORFGV-UHFFFAOYSA-N
• LogP: log Kow = 2.78
• Exact Mass: 142.0185425
• Molecular Formula: C7H7ClO
• Molecular Weight: 142.58
• SMILES: CC1=C(C=CC(=C1)Cl)O
• Topological: 20.2
• Monoisotopic Mass: 142.0185425
• Physical Description: P-chloro-o-cresol is a dark red flakes with waxy texture. Insoluble in water.
• Color/Form: Needles from petroleum ether
• Odor: Mild, phenolic odor
• Boiling Point: 432 to 437 °F at 760 mmHg
• Melting Point: 118 to 124 °F
• Flash Point: greater than 235 °F
• Solubility: less than 1 mg/mL at 59 °F
• Density: 1.2 g/cu cm
• Vapor Pressure: 0.02 [mmHg]
• Henry’s Law Constant: Henry’s Law constant = 1.1X10-6 atm-cu m/mol @ 25 °C
• Odor Threshold: Odor detection threshold= 1,800 ug/l at 20-22 °C
• Dissociation Constants: pKa = 9.71
• Synonyms: 4-CHLORO-2-METHYLPHENOL, 1570-64-5, 4-Chloro-o-cresol, 2-Methyl-4-chlorophenol, 4-Chloro-2-cresol, Phenol, 4-chloro-2-methyl-, p-Chloro-o-cresol, CCRIS 1939, HSDB 5841, AI3-24520, NSC 2851, EINECS 216-381-3, UNII-297V63W9RI, BRN 1906684, CHEBI:1800, DTXSID5022510, NSC-2851, CHLORO-O-CRESOL, 4-, DTXCID502510, EC 216-381-3, 4-06-00-01987 (Beilstein Handbook Reference), 4-CHLORO-2-METHYLPHENOL [HSDB], pChloroocresol, 4Chloroocresol, 4Chloro2cresol, 4Chlororthokresol, 2,4-MCP, oCresol, 4chloro, 2Methyl4chlorophenol, Para chloro 2cresol, UN2669, Para orthochlorocresol, 5Chloro2hydroxytoluene, Phenol, 4chloro2methyl, para-chloro-ortho-cresol, 4CHLOROORTHOCRESOL, Para Chloro ortho cresol, 4Chloro, 2methyl phenol, Para chloro 2methyl phenol, PARACHLOROORTHOCRESOL, phenol, 4-chloro-2-methyl, P.C.O.C., PHENOL,4-CHLORO-2-METHYL-, UN3437, USEPA/OPP Pesticide Code: 062190, inchi=1/c7h7clo/c1-5-4-6(8)2-3-7(5)9/h2-4,9h,1h, rhpujhqbporfgv-uhfffaoysa-n, o-Cresol, 4-chloro-, 4-chloro-2-methyl phenol, 5-chloro-2-hydroxytoluene, MFCD00002321, CHEMBL194121, 297V63W9RI, 4-Chloro-2-methylphenol 100 microg/mL in Acetonitrile, CAS-1570-64-5, PCOC, 4-chloro-2-methyl-phenol, Mecoprop-P metabolite, MCPA TP1, C03359, WLN: QR DG B1, SCHEMBL27208, SCHEMBL27963, SCHEMBL27964, BIDD:ER0055, SCHEMBL171059, SCHEMBL1193157, SCHEMBL1806584, SCHEMBL7955186, 4-Chloro-2-methylphenol, 97%, NSC2851, STR00698, Tox21_202018, Tox21_302888, BDBM50410499, SBB060653, STK399791, AKOS000120241, CCG-302527, PS-3359, NCGC00090904-01, NCGC00090904-02, NCGC00256499-01, NCGC00259567-01, BP-12082, CS-0020065, NS00007230, ST50586196, EN300-20371, Q27105510, Z104477908, 4-Chloro-2-methylphenol, PESTANAL(R), analytical standard, MZG

Application

4-Chloro-2-methylphenol is commonly employed as an intermediate in the synthesis of agrochemicals, pharmaceuticals, and dyes. Its antimicrobial properties make it effective as a preservative in industrial formulations, including adhesives and coatings. Researchers also utilize it in organic chemistry studies for halogenated phenol reactions and functional group transformations.

Safety and Hazards

GHS Hazard Statements

• H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
• H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
• H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
• H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P260, P261, P264, P264+P265, P271, P273, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P363, P391, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Corr. 1 (100%)
• Eye Dam. 1 (72.8%)
• Acute Tox. 3 (97.9%)
• STOT SE 3 (54.9%)
• Aquatic Acute 1 (99.5%)
• Aquatic Chronic 2 (53.3%)

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