Description

2-Mercaptobenzaldehyde is a versatile sulfur-containing aromatic aldehyde that serves as a critical building block in organic synthesis. Its unique bifunctional structure, featuring both a reactive aldehyde group and a thiol moiety, makes it invaluable for constructing complex heterocyclic frameworks and acting as a ligand precursor. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active ingredients and functional molecules. The CAS number for this compound is provided in the table below.

Application

• Pharmaceutical Intermediates: Key precursor in the synthesis of benzothiazole, benzothiophene, and other sulfur-heterocycles with potential biological activity.
• Agrochemical Synthesis: Used in the development of novel fungicides, herbicides, and plant growth regulators that incorporate sulfur-based pharmacophores.
• Ligand Chemistry: Acts as a chelating agent for transition metals (e.g., palladium, platinum) in catalysis and material science applications.
• Organic Synthesis Building Block: Employed in condensation, cyclization, and addition reactions to create complex molecular architectures.
• Polymer Modification: Utilized as a functional monomer or cross-linking agent to introduce thiol and aldehyde groups into polymer chains.
• Flavor & Fragrance Industry: Intermediate for synthesizing sulfur-containing aroma compounds, though typically in high-purity grades.

Basic Information

Product Name	2-Mercaptobenzaldehyde
CAS No.	29199-11-9
Molecular Formula	C7H6OS
Molecular Weight	138.19 g/mol
Synonyms	2-Mercaptobenzaldehyde; o-Mercaptobenzaldehyde; 2-Sulfanylbenzaldehyde; Benzaldehyde, 2-mercapto-; 2-Thiosalicylaldehyde; o-Thiosalicylaldehyde; 2-Formylbenzenethiol; 2-Hydroxythiobenzaldehyde (tautomer)
EINECS	Contact for details

Quality Control

Our 2-Mercaptobenzaldehyde is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing specific results for purity, appearance, and other critical parameters is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. This compound is easily oxidized and light-sensitive; minimize exposure to air and light during handling.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder or liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.