Description

1,2-Benzenediol,4,5-Dimethyl-,Monoacetate(9Ci) is a specialized phenolic derivative with a partially acetylated catechol structure, offering a unique balance of reactivity and stability. This compound is valued as a versatile chemical intermediate for the synthesis of more complex molecules, particularly in fine chemical and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for constructing advanced molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of potential drug candidates, particularly those requiring a functionalized catechol or hydroquinone core.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or functionalization agent in the production of specialty polymers, such as antioxidants or UV stabilizers for materials.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other performance chemicals where its specific substitution pattern is advantageous.
• Research & Development: A valuable tool in academic and industrial organic chemistry labs for studying reaction mechanisms and developing new synthetic methodologies.
• Antioxidant Precursor: Can be utilized in the development of antioxidant compounds for various industrial applications.

Basic Information

Product Name	1,2-Benzenediol,4,5-Dimethyl-,Monoacetate(9Ci)
CAS No.	663605-21-8
Molecular Formula	C10H12O4
Molecular Weight	196.20 g/mol
Synonyms	4,5-Dimethylcatechol Monoacetate; 3,4-Dihydroxy-1,2-dimethylbenzene Monoacetate; 1,2-Dihydroxy-4,5-dimethylbenzene Monoacetate; 4,5-Dimethyl-1,2-benzenediol Monoacetate; 4,5-Dimethylpyrocatechol Monoacetate; Acetic Acid 3,4-Dihydroxy-5,6-dimethylphenyl Ester; 2,3-Dimethylhydroquinone Monoacetate
EINECS	Contact for details

Quality Control

Our 1,2-Benzenediol,4,5-Dimethyl-,Monoacetate(9Ci) is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), related substances, and physical characteristics is provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or an opaque secondary container until use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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