Description

4-Hydroxy-3-Methylcinnamic Acid is a versatile organic compound belonging to the cinnamic acid derivative family, valued for its role as a key synthetic intermediate and building block. Its phenolic and carboxylic acid functionalities make it a crucial precursor in the synthesis of more complex molecules, particularly in the pharmaceutical and fine chemical sectors. This compound is essential for researchers and manufacturers in life sciences, agrochemicals, and material science who require high-purity intermediates for advanced synthesis.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of active pharmaceutical ingredients (APIs), especially those with anti-inflammatory or antioxidant properties.
• Fine Chemical Synthesis: Used in the production of complex organic molecules, including flavors, fragrances, and specialty polymers.
• UV Absorber & Stabilizer Precursor: Serves as a starting material for compounds used in cosmetics and plastics to protect against ultraviolet light degradation.
• Biochemical Research: Employed in enzymatic and metabolic studies due to its structural similarity to naturally occurring phenolic acids.
• Agrochemical Development: Utilized as an intermediate in the research and synthesis of novel plant protection agents.
• Material Science: Investigated for use in organic electronic materials and as a monomer for functional polymers.

Basic Information

Product Name	4-Hydroxy-3-Methylcinnamic Acid
CAS No.	19780-88-2
Molecular Formula	C10H10O3
Molecular Weight	178.18 g/mol
Synonyms	3-Methyl-4-hydroxycinnamic acid; 4-Hydroxy-3-methyl-trans-cinnamic acid; 3-(4-Hydroxy-3-methylphenyl)-2-propenoic acid; 2-Propenoic acid, 3-(4-hydroxy-3-methylphenyl)-; (E)-3-(4-Hydroxy-3-methylphenyl)acrylic acid; trans-4-Hydroxy-3-methylcinnamic acid; HCA (in specific contexts); 3-Methyl-4-coumaric acid
EINECS	243-310-4

Quality Control

Our 4-Hydroxy-3-Methylcinnamic Acid is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supplied with a detailed Certificate of Analysis (COA). We adhere to cGMP principles where applicable, ensuring the product meets the rigorous standards required for pharmaceutical and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	215°C - 220°C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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