Description

1-Phenyl-2-Thiourea is a versatile organic sulfur compound with the CAS number 103-85-5, serving as a critical building block and reagent in advanced chemical synthesis. Its unique thiourea structure, featuring a phenyl substituent, makes it a valuable precursor for heterocyclic compounds and a selective reagent in analytical chemistry. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular control is paramount.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various heterocyclic compounds, including thiazoles and benzimidazoles, with potential biological activity.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Chemical Research Reagent: Acts as a selective precipitating agent for certain metal ions and a catalyst or ligand in organic transformations.
• Dye and Pigment Manufacturing: Intermediate in the production of sulfur-containing dyes and organic pigments.
• Rubber and Polymer Additives: Utilized in the synthesis of vulcanization accelerators and other polymer modifiers.
• Analytical Chemistry: Employed as a chromogenic reagent for the detection and quantification of specific anions and metal cations.

Basic Information

Product Name	1-Phenyl-2-Thiourea
CAS No.	103-85-5
Molecular Formula	C7H8N2S
Molecular Weight	152.22 g/mol
Synonyms	Phenylthiourea; N-Phenylthiourea; Thiocarbanilide; 1-Phenylthiourea; Phenylthiocarbamide; PTU; α-Phenylthiourea; NSC 8641
EINECS	203-152-1

Quality Control

Our 1-Phenyl-2-Thiourea is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and melting point determination, to ensure it meets exacting specifications for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Melting Point	148°C - 152°C
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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