Description

Methyl 4-hydroxy-2-methylbenzoate (CAS No. 57556-31-7) is a high-purity organic compound with the molecular formula C₉H₁₀O₃. This versatile ester derivative of benzoic acid is widely utilized in pharmaceutical, cosmetic, and chemical research applications due to its stable phenolic and ester functional groups. With a molecular weight of 166.17 g/mol, it exhibits excellent solubility in organic solvents such as ethanol, methanol, and dimethyl sulfoxide (DMSO), making it ideal for formulation studies. Our product is rigorously tested for purity (>98% by HPLC) and consistency, ensuring reliable performance in synthetic and analytical workflows. Available in scalable quantities, it is supplied in secure, tamper-evident packaging with comprehensive analytical data (COA, MSDS).

Properties

• CAS Number: 57556-31-7
• Complexity: 167
• IUPAC Name: methyl 4-hydroxy-2-methyl-benzoate
• InChI: InChI=1S/C9H10O3/c1-6-5-7(10)3-4-8(6)9(11)12-2/h3-5,10H,1-2H3
• InChI Key: FINKSGWSBJRISB-UHFFFAOYSA-N
• Exact Mass: 166.062994177
• Molecular Formula: C9H10O3
• Molecular Weight: 166.17
• SMILES: CC1=C(C=CC(=C1)O)C(=O)OC
• Topological: 46.5
• Monoisotopic Mass: 166.062994177
• Synonyms: methyl 4-hydroxy-2-methylbenzoate, 57556-31-7, DTXSID70493405, DTXCID70444215, Methyl 4-hydroxy-2-methylbenzoic acid, 691-019-9, Benzoic acid, 4-hydroxy-2-methyl-, methyl ester, MFCD09752667, 4-hydroxy-2-methyl-benzoic acid methyl ester, methyl 2-methyl-4-hydroxybenzoate, SCHEMBL131661, methyl4-hydroxy-2-methylbenzoate, FINKSGWSBJRISB-UHFFFAOYSA-N, BCP24536, Methyl-4-Hydroxybenzoesauremethylester, AKOS006327533, FM67704, DA-18181, DS-13859, SY108877, 4-hydroxy-2-methylbenzoic acid methyl ester, CS-0038132, 4-hydroxy-2-methyl benzoic acid methyl ester, EN300-300777, W11074, AE-562/43459973

Methyl 4-hydroxy-2-methylbenzoate serves as a key intermediate in the synthesis of UV absorbers, fragrances, and pharmaceutical active ingredients. Its phenolic structure makes it valuable for developing antioxidant formulations and polymer stabilizers. Researchers also employ it as a building block for heterocyclic compounds in medicinal chemistry.

Safety and Hazards

GHS Hazard Statements

• H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

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

Hazard Classes and Categories

• Acute Tox. 4 (50%)
• Skin Irrit. 2 (100%)
• Eye Irrit. 2A (100%)
• STOT SE 3 (100%)

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