Description

3-Mercaptopropionitrile is a versatile organosulfur compound featuring both a nitrile and a thiol functional group. This dual functionality makes it a valuable intermediate for synthesizing a wide range of chemicals, including pharmaceuticals, agrochemicals, and polymer additives. It is particularly sought after by research and development laboratories, fine chemical manufacturers, and producers of specialty materials requiring precise molecular building blocks.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing thioether or modified cysteine motifs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the thiol group introduces specific biological activity.
• Polymer Modification: Acts as a chain transfer agent or cross-linking agent in polymerization processes to control molecular weight and introduce sulfur-based functionalities into polymers.
• Chemical Research: Serves as a versatile reagent in organic synthesis for the introduction of the -SH and -CN groups, useful in heterocyclic chemistry and material science.
• Ligand Precursor: Utilized in the preparation of chelating ligands for metal catalysis and coordination chemistry.
• Surface Modification: Employed to create self-assembled monolayers (SAMs) on gold and other surfaces for sensor and nanotechnology applications.

Basic Information

Product Name	3-Mercaptopropionitrile
CAS No.	66241-54-1
Molecular Formula	C3H5NS
Molecular Weight	87.14 g/mol
Synonyms	3-Mercaptopropanenitrile; β-Mercaptopropionitrile; 2-Cyanoethanethiol; Thiocyanic acid, 2-cyanoethyl ester; 3-Sulfanylpropanenitrile; HS-CH2-CH2-CN
EINECS	266-287-7

Quality Control

Our 3-Mercaptopropionitrile is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC, identity confirmation (IR), and impurity profiling to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing all specifications and results 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 to minimize oxidation and degradation. Keep away from strong oxidizers, bases, and metals.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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