Description

Diazenecarboxylic Acid, (4-Methylphenyl)-, 1,1-Dimethylethyl Ester (9Ci) is a specialized organic compound belonging to the diazene ester family, serving as a versatile building block in advanced chemical synthesis. Its primary value lies in its role as a protected diazene precursor, enabling controlled reactions in the development of complex molecules. This high-purity intermediate is essential for research and production in the pharmaceutical and agrochemical sectors, where precise molecular construction is critical.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring diazene or azo functional groups.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, pesticides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex heterocycles and functionalized aromatic compounds.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of specialty polymers and advanced materials.
• Dye and Pigment Intermediate: Acts as a synthetic intermediate in the production of specialized azo dyes and colorants.

Basic Information

Product Name	Diazenecarboxylic Acid, (4-Methylphenyl)-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	773893-07-5
Molecular Formula	C13H18N2O2
Molecular Weight	234.30 g/mol
Synonyms	tert-Butyl (4-Methylphenyl)diazene-1-carboxylate; (4-Methylphenyl)diazene-1-carboxylic Acid tert-Butyl Ester; tert-Butyl p-Tolyldiazenecarboxylate; p-Tolyldiazenecarboxylic Acid tert-Butyl Ester; 1,1-Dimethylethyl (4-Methylphenyl)diazene-1-carboxylate; Diazene-1-carboxylic Acid, (4-Methylphenyl)-, 1,1-Dimethylethyl Ester; tert-Butyl (p-Tolyl)diazene-1-carboxylate
EINECS	Contact for details

Quality Control

Our Diazenecarboxylic Acid, (4-Methylphenyl)-, 1,1-Dimethylethyl Ester (9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to verify identity and purity. Certificates of Analysis (COA) documenting all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive and easily oxidized; for long-term storage, it is recommended to keep the material under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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