Description

Carbonic Acid Methyl 4-Methylphenyl Ester is a specialized organic ester compound, also known as Methyl p-Tolyl Carbonate. This chemical serves as a valuable building block and protecting group reagent in sophisticated organic synthesis. It is primarily utilized by pharmaceutical intermediates, agrochemical, and fine chemical manufacturers for the controlled introduction of functional groups. Its stability and reactivity profile make it a key component in research and development for novel active ingredients.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly as a protecting group for phenols or in carbonate linkage formation.
• Agrochemical Synthesis: Serves as a precursor or intermediate in the manufacture of herbicides, fungicides, and other crop protection agents.
• Fine Chemical Production: Employed in the production of dyes, pigments, and specialty polymers where controlled carbonate chemistry is required.
• Organic Synthesis Reagent: Acts as a methyl carbonate transfer agent in laboratory-scale and pilot-scale chemical reactions.
• Material Science Research: Investigated for use in the development of novel polymeric materials and advanced coatings.

Basic Information

Product Name	Carbonic Acid Methyl 4-Methylphenyl Ester
CAS No.	1848-01-7
Molecular Formula	C9H10O3
Molecular Weight	166.17 g/mol
Synonyms	Methyl p-Tolyl Carbonate; Methyl 4-Methylphenyl Carbonate; p-Tolyl Methyl Carbonate; 4-Methylphenyl Methyl Carbonate; Carbonochloridic Acid, 4-Methylphenyl Ester, Methyl Ester; Methyl p-Cresyl Carbonate; p-Cresyl Methyl Carbonate
EINECS	Contact for details

Quality Control

Our Carbonic Acid Methyl 4-Methylphenyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for critical synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material may be moisture-sensitive; keep the container tightly sealed when not in use.

Specification

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

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