Description

3-Hydroxyphenylurea is a versatile aromatic urea derivative with a phenolic hydroxyl group, offering unique reactivity for chemical synthesis. This compound is valued for its role as a key intermediate in the production of advanced materials and fine chemicals, where its bifunctional structure enables precise molecular design. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and polymer sectors for developing novel compounds and functional additives.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring phenolic or urea-based pharmacophores.
• Agrochemical Synthesis: Serves as a building block for creating novel herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Incorporated as a cross-linking agent or chain extender in specialty polymers, epoxy resins, and polyurethanes to enhance thermal or mechanical properties.
• Dye & Pigment Manufacturing: Acts as a precursor in the production of azo dyes and other complex colorants.
• Biochemical Research: Utilized in laboratory studies as a standard or reagent for investigating enzyme inhibition, protein binding, or as a hapten in immunology.
• Cosmetic Ingredient Intermediate: Employed in the synthesis of UV absorbers or antioxidant agents for personal care formulations.

Basic Information

Product Name	3-Hydroxyphenylurea
CAS No.	701-82-6
Molecular Formula	C7H8N2O2
Molecular Weight	152.15 g/mol
Synonyms	m-Hydroxyphenylurea; 1-(3-Hydroxyphenyl)urea; 3-Aminophenol urea; Urea, (3-hydroxyphenyl)-; N-(3-Hydroxyphenyl)urea; 3-Hydroxycarbanilide; (3-Hydroxy-phenyl)-urea; m-Carbamoylaminophenol
EINECS	Contact for details

Quality Control

Our 3-Hydroxyphenylurea is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Melting Point	190°C - 195°C
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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