4-(Methylthio)benzaldehyde, CAS No. 3446-89-7

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3446-89-7

Catalog No. EBD31101

CAS 3446-89-7

Name 4-(Methylthio)benzaldehyde

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Basic Information

Synonyms: 4-(Methylthio)benzaldehyde p-Methylthiobenzaldehyde 4-methyl-thiobenzaldehyde 4-(methylsulfanyl)benzaldehyde 4-methylbenzenecarbothialdehyde

Molecular Formula: C8H8OS

Molecular Weight: 152.21

MDL Number: MFCD00006948

Categories: Synthetic Chemistry > Organic Building Blocks > Aldehydes and Ketones Synthetic Chemistry > Organic Building Blocks > Sulfides and Thioethers

Product Description:

4-(Methylthio)benzaldehyde is an organic compound featuring a benzaldehyde core substituted with a methylthio (-SCH3) group at the para position. It is a versatile aromatic aldehyde building block characterized by the presence of both a reactive aldehyde group and a thioether functionality. This compound is primarily employed as a key intermediate in organic synthesis and pharmaceutical research. The aldehyde group readily undergoes condensation reactions (e.g., to form imines, oximes, or hydrazones) and serves as a precursor for the synthesis of various heterocycles and more complex molecules. The methylthio group can act as a directing group in metal-catalyzed cross-coupling reactions or be further modified (e.g., oxidized to sulfoxide or sulfone). Its applications are foundational in chemical synthesis rather than tied to a specific, dominant end-use application like a finished drug or material. It is typically a yellow to brown liquid or low-melting solid and should be handled with standard precautions for aldehydes, avoiding strong oxidizers and reducing agents.

Physical Properties

Melting Point: 6 °C

Boiling Point: 86-90 °C/1 mmHg(lit.)

Flash Point: 110 °C

Density: 1.144 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.646(lit.)

Safety Information

Packing Level:

Hazard Category:

Transport Codes: 3334

Analytical Data

Appearance: clear yellow liquid