Description

Selenocyanic Acid CAS NO 5749-48-4 is a versatile organoselenium compound that serves as a key synthetic intermediate and reagent. This chemical is valued for its ability to introduce selenium-containing functional groups into target molecules, enabling the synthesis of complex materials and active pharmaceutical ingredients. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications in catalysis, material science, and organic synthesis.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel selenium-containing drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Serves as a precursor for creating selenium-based fungicides, herbicides, and plant growth regulators.
• Catalyst & Ligand Precursor: Employed in the preparation of organoselenium catalysts and ligands for various organic transformations.
• Material Science Research: Acts as a building block for developing novel selenium polymers, semiconductors, and nanomaterials.
• Organic Synthesis Reagent: Utilized in selenocyanation reactions to introduce the -SeCN group into organic frameworks.
• Analytical Chemistry: May be used as a reagent or standard in analytical methods for selenium detection and quantification.

Basic Information

Product Name	Selenocyanic Acid
CAS No.	5749-48-4
Molecular Formula	CHNSe
Molecular Weight	106.98 g/mol
Synonyms	Hydrogen Selenocyanate; Selenocyanic Acid; Selenocyanate Acid; Selenocyanogen Acid; Selenocyanoic Acid; Isoselenocyanic Acid; HSeCN; Selenocyanic acid (HSeCN)
EINECS	227-274-3

Quality Control

Our Selenocyanic Acid is produced and tested under a strict quality management system. Each batch undergoes comprehensive analysis to ensure high purity and consistency, meeting the rigorous demands of research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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