Description

3,5-Dimethyl-4-hydroxybenzaldehyde (CAS No. 2233-18-3) is a high-purity aromatic aldehyde with the molecular formula C₉H₁₀O₂. This compound, also known as 4-hydroxy-3,5-dimethylbenzaldehyde, is a versatile intermediate in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Its unique structure, featuring both aldehyde and hydroxyl functional groups on a dimethyl-substituted benzene ring, makes it valuable for constructing complex molecular frameworks. Our product is rigorously tested to ensure >98% purity (HPLC) and is supplied as a fine white to off-white crystalline powder. It is packaged under inert gas to maintain stability and comes with comprehensive analytical documentation including NMR, HPLC, and MS spectra for quality verification. Suitable for research, development, and small-scale production applications where precise chemical building blocks are required.

Properties

• CAS Number: 2233-18-3
• Complexity: 132
• IUPAC Name: 4-hydroxy-3,5-dimethyl-benzaldehyde
• InChI: InChI=1S/C9H10O2/c1-6-3-8(5-10)4-7(2)9(6)11/h3-5,11H,1-2H3
• InChI Key: UYGBSRJODQHNLQ-UHFFFAOYSA-N
• Exact Mass: 150.068079557
• Molecular Formula: C9H10O2
• Molecular Weight: 150.17
• SMILES: CC1=CC(=CC(=C1O)C)C=O
• Topological: 37.3
• Monoisotopic Mass: 150.068079557
• Synonyms: 3,5-Dimethyl-4-hydroxybenzaldehyde, 2233-18-3, 4-Hydroxy-3,5-dimethylbenzaldehyde, Benzaldehyde, 4-hydroxy-3,5-dimethyl-, 4-Formyl-2,6-xylenol, 23PA2PMP9F, EINECS 218-774-5, NSC 128405, NSC-128405, DTXSID8062282, DMHB-3,5, DTXCID2036665, 218-774-5, inchi=1/c9h10o2/c1-6-3-8(5-10)4-7(2)9(6)11/h3-5,11h,1-2h, 4-Hydroxy-3,5-DiMethyl-Benzaldehyde, MFCD00006946, Benzaldehyde,5-dimethyl-, UNII-23PA2PMP9F, 4-formyl-2,6-dimethylphenol, SCHEMBL143965, SCHEMBL6282292, SCHEMBL6380211, BCP20234, 3,5 -dimethyl-4-hydroxybenzaldehyde, 3,5-dimethyl-4-hydroxy benzaldehyde, 3,5-dimethyl-4-hydroxy-benzaldehyde, 4-hydroxy 3,5-dimethyl benzaldehyde, 4-hydroxy-3, 5-dimethylbenzaldehyde, 4-Hydroxy-3,5-dimethyl benzaldehyde, BBL100114, NSC128405, SBB052180, STK498303, 4-hydroxy-3, 5-dimethyl benzaldehyde, AKOS000104166, CS-W007807, FH11334, HY-W007807, PS-4139, NCGC00335010-01, BP-22343, SY001837, 4-Hydroxy-3,5-dimethylbenzaldehyde, 95%, DB-024394, H1023, NS00027130, ST50135990, EN300-17665, AB01105446-03, Z56978032

Application

3,5-Dimethyl-4-hydroxybenzaldehyde serves as a key intermediate in the synthesis of antioxidants, UV stabilizers, and pharmaceutical precursors. Its reactive aldehyde group enables condensation reactions for creating Schiff bases or heterocyclic compounds. The phenolic hydroxyl group allows for further functionalization through etherification or esterification. Researchers utilize this compound in developing novel materials with enhanced thermal stability. It also finds use in coordination chemistry as a ligand for metal complexes.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (96.1%): 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 (100%)
• Eye Irrit. 2 (100%)
• STOT SE 3 (96.1%)

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