Description

1,2-Phenylene Diisothiocyanate is a specialized aromatic diisothiocyanate compound, a key building block in organic synthesis and materials science. Its high reactivity, stemming from the two isothiocyanate functional groups on the benzene ring, makes it a valuable precursor for creating heterocyclic compounds, polymers, and advanced materials with tailored properties. This chemical is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and polymer industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of benzimidazole and other nitrogen-containing heterocycles, which are core structures in various active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel fungicides, herbicides, and plant growth regulators that require specific thiourea or heterocyclic motifs.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for producing polyurethanes, polyureas, and other specialty polymers with enhanced thermal or chemical resistance.
• Chemical Research & Development: Employed in academic and industrial R&D labs as a versatile reagent for constructing complex molecular architectures and studying reaction mechanisms.
• Ligand & Chelating Agent Synthesis: Utilized to create novel ligands for metal coordination chemistry, which find applications in catalysis and sensor technology.

Basic Information

Product Name	1,2-Phenylene Diisothiocyanate
CAS No.	71105-17-4
Molecular Formula	C8H4N2S2
Molecular Weight	192.26 g/mol
Synonyms	1,2-Diisothiocyanatobenzene; o-Phenylene Diisothiocyanate; Benzene-1,2-diyl diisothiocyanate; 1,2-Benzenediyl Diisothiocyanate; o-Phenylenediisothiocyanate; OPDITC; 1,2-Diisocyanatobenzene (archaic); Isothiocyanic acid, 1,2-phenylene ester
EINECS	Contact for details

Quality Control

Our 1,2-Phenylene Diisothiocyanate is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. We provide a detailed Certificate of Analysis (COA) with key parameters including assay, identity confirmation, and impurity profiles. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical synthesis applications.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from moisture and to maintain stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Contact for details
Heavy Metals	≤ 20 ppm

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