Description

4-Ethylphenyl Isothiocyanate is a versatile organic building block and reagent characterized by its reactive isothiocyanate (-N=C=S) functional group attached to a substituted phenyl ring. This compound is essential for synthesizing thiourea derivatives and other heterocyclic compounds, offering a critical pathway for introducing sulfur and nitrogen functionalities into target molecules. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for developing new active ingredients and advanced polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel thiourea-based drug candidates with potential biological activities.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides.
• Chemical Research Reagent: Serves as a fundamental building block in organic synthesis for creating complex heterocycles and functional materials.
• Material Science: Employed in the development of specialty polymers, coatings, and ligands for metal-organic frameworks (MOFs).
• Bioconjugation Chemistry: Potential use in modifying biomolecules due to the reactivity of the isothiocyanate group with amines.

Basic Information

Product Name	4-Ethylphenyl Isothiocyanate
CAS No.	18856-63-8
Molecular Formula	C9H9NS
Molecular Weight	163.24 g/mol
Synonyms	1-Ethyl-4-isothiocyanatobenzene; p-Ethylphenyl isothiocyanate; 4-Ethylbenzenisothiocyanate; 4-Ethylphenyl mustard oil; (4-Ethylphenyl)isothiocyanate; Isothiocyanic acid, 4-ethylphenyl ester
EINECS	Contact for details

Quality Control

Our 4-Ethylphenyl Isothiocyanate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets high-purity standards suitable for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases, amines, and moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 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.