Description

4-Bromo-3-Methylphenyl Isocyanate 98 is a high-purity aromatic isocyanate derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its highly reactive isocyanate group, which readily forms stable urethane and urea linkages under mild conditions. This compound is essential for researchers and manufacturers in the agrochemical and pharmaceutical industries, where it is used to synthesize novel active ingredients and functional intermediates.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of modern herbicides, fungicides, and insecticides, contributing to crop protection solutions.
• Pharmaceutical Building Block: Used in the research and development of active pharmaceutical ingredients (APIs), particularly for creating urea-based compounds.
• Polymer Chemistry: Employed in the production of specialized polyurethanes and coatings, where the bromo-methyl substitution imparts unique properties like flame retardancy or altered reactivity.
• Chemical Research & Development: Serves as a versatile reagent for constructing complex molecular architectures in medicinal and materials chemistry.
• Dye and Pigment Synthesis: Acts as an intermediate in the manufacture of high-performance colorants and functional dyes.

Basic Information

Product Name	4-Bromo-3-Methylphenyl Isocyanate 98
CAS No.	1591-97-5
Molecular Formula	C8H6BrNO
Molecular Weight	212.05 g/mol
Synonyms	3-Methyl-4-bromophenyl isocyanate; 1-Bromo-2-methyl-4-isocyanatobenzene; 4-Bromo-m-tolyl isocyanate; 4-Bromo-3-methylbenzenisocyanate; Isocyanic acid, 4-bromo-3-methylphenyl ester; (4-Bromo-3-methylphenyl)isocyanate
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Methylphenyl Isocyanate 98 is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and identity confirmation by FT-IR and NMR spectroscopy, to ensure it meets the specified 98% minimum purity. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your research or production standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 2-8°C. This product is hygroscopic (moisture-sensitive) and should be handled under a dry inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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