Description

p-(n-Dodecyl)Benzoicacid CAS NO 21021-55-6 is a long-chain alkyl benzoic acid derivative, valued for its unique combination of a hydrophobic alkyl tail and a reactive carboxylic acid head group. This structure makes it a versatile intermediate and functional additive, particularly effective in modifying surface properties and acting as a building block for more complex molecules. It is primarily needed by manufacturers in the polymer, surfactant, and specialty chemical industries seeking to enhance material performance.

Application

• Polymer Additive: Acts as a processing aid, internal lubricant, or nucleating agent in polyolefin and engineering plastic formulations.
• Surfactant Intermediate: Serves as a key precursor for synthesizing anionic surfactants and emulsifiers with specific hydrophobic chain lengths.
• Corrosion Inhibitor Formulation: Used in the development of oilfield chemicals and industrial coatings to provide protective films on metal surfaces.
• Lubricant & Grease Component: Functions as a thickening agent or performance additive in synthetic lubricants and high-temperature greases.
• Organic Synthesis Building Block: Employed in pharmaceutical and agrochemical research for introducing lipophilic benzoic acid moieties.
• Coating & Ink Modifier: Improves flow, leveling, and adhesion properties in solvent-based coating and printing ink systems.

Basic Information

Product Name	p-(n-Dodecyl)Benzoicacid
CAS No.	21021-55-6
Molecular Formula	C19H30O2
Molecular Weight	290.44 g/mol
Synonyms	4-Dodecylbenzoic Acid; p-Dodecylbenzoic Acid; 4-(Dodecyl)benzoic Acid; Benzoic acid, 4-dodecyl-; Lauryl Benzoic Acid; 21021-55-6; 4-n-Dodecylbenzoic acid
EINECS	244-165-7

Quality Control

Our p-(n-Dodecyl)Benzoicacid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by titration and identification by FT-IR, to ensure it meets defined specifications and is consistent for industrial applications. Certificates of Analysis (COA) documenting purity, physical properties, and other critical parameters are 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 room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Melting Point	95 - 100 °C
Loss on Drying	≤ 1.0 %

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