Description

2-Butenoic Acid, 3-Phenyl-, (E)- is a high-purity, unsaturated aromatic carboxylic acid of significant commercial interest, primarily recognized as (E)-Cinnamic Acid. This compound serves as a versatile and critical organic intermediate and building block in advanced chemical synthesis. It is essential for manufacturers in the pharmaceutical, fragrance, and specialty polymer industries who require consistent quality and reliable supply for their production processes.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), including anti-inflammatory and cardiovascular drugs.
• Fragrance and Flavor Ingredient: Used as a starting material for synthesizing esters and derivatives that impart sweet, balsamic, and cinnamon-like notes in perfumery and flavorings.
• UV Absorber and Stabilizer: Incorporated into polymers, coatings, and personal care products for its ability to absorb ultraviolet light, enhancing product longevity.
• Organic Synthesis Building Block: Utilized in cross-coupling reactions, such as Heck reactions, and for introducing the cinnamoyl moiety into more complex molecules for agrochemicals and material science.
• Liquid Crystal and Polymer Chemistry: Serves as a monomer or mesogenic unit in the production of specialty polymers and liquid crystalline materials.
• Cosmetic Additive: Employed in formulations for its skin-conditioning properties and as a component in sunscreens due to its UV-filtering characteristics.

Basic Information

Product Name	2-Butenoic Acid, 3-Phenyl-, (E)-
CAS No.	704-80-3
Molecular Formula	C9H8O2
Molecular Weight	148.16 g/mol
Synonyms	(E)-Cinnamic Acid; trans-Cinnamic Acid; Cinnamic Acid, (E)-; 3-Phenyl-2-propenoic acid; (E)-3-Phenylacrylic acid; trans-3-Phenylacrylic acid; Benzenepropenoic acid, (E)-; Phenylacrylic acid
EINECS	211-868-7

Quality Control

Our 2-Butenoic Acid, 3-Phenyl-, (E)- is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for pharmaceutical and fine chemical applications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

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. Due to its light-sensitive nature, containers should be kept in the original packaging or opaque containers until use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.5%
Melting Point	133 - 136 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 1.5%

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