Description

1,2-Benzenediol, 4-(Phenylamino)- (9Ci) CAS NO 290353-12-7 is a specialized aromatic amine derivative of catechol, valued for its role as a versatile chemical intermediate. This compound matters for its ability to introduce both phenolic and anilino functional groups into more complex molecular architectures, enabling the synthesis of advanced materials and fine chemicals. It is needed by research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking to develop novel compounds with specific properties.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of potential active pharmaceutical ingredients (APIs), particularly those requiring functionalized catechol or diphenylamine motifs.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators where its structural features can contribute to biological activity.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers, resins, and high-performance materials such as antioxidants or stabilizers.
• Dye & Pigment Manufacturing: Functions as a precursor in the synthesis of complex organic dyes, pigments, and imaging agents due to its oxidizable phenolic structure.
• Research & Development: Employed in academic and industrial R&D labs for method development, catalysis studies, and exploring new chemical entities.
• Fine Chemical Production: Utilized as an intermediate in multi-step synthetic routes for producing other high-value, low-volume specialty chemicals.

Basic Information

Product Name	1,2-Benzenediol, 4-(Phenylamino)- (9Ci)
CAS No.	290353-12-7
Molecular Formula	C12H11NO2
Molecular Weight	201.22 g/mol
Synonyms	4-Anilinocatechol; 4-(Phenylamino)benzene-1,2-diol; 4-(Phenylamino)-1,2-benzenediol; N-Phenylcatecholamine; 2,3-Dihydroxy-N-phenylaniline; 1,2-Dihydroxy-4-(phenylamino)benzene; 4-Hydroxy-3-hydroxyphenyl phenylamine
EINECS	Contact for details

Quality Control

Our 1,2-Benzenediol, 4-(Phenylamino)- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (by HPLC), related substances, and physical characteristics are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Light brown to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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