Description

Octadecanoic Acid, 18-Bromo- is a halogenated derivative of stearic acid, where a bromine atom is introduced at the terminal carbon of the alkyl chain. This specific functionalization makes it a valuable chemical intermediate for synthesizing more complex molecules, particularly in pharmaceutical and advanced material research. It is primarily sought by R&D chemists and process development teams in the fine chemical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of active pharmaceutical ingredients (APIs), especially those requiring long-chain alkyl modifications.
• Agrochemical Synthesis: Used in the production of specialized surfactants, emulsifiers, and plant growth regulators.
• Polymer Modification: Acts as a monomer or chain transfer agent in the creation of specialty polymers with specific hydrophobic or flame-retardant properties.
• Lubricant Additive Precursor: Employed to manufacture high-performance additives that enhance the properties of industrial lubricants and greases.
• Surface Active Agent Production: A precursor for quaternary ammonium compounds and other cationic surfactants used in fabric softeners and personal care products.
• Research & Development: Utilized in academic and industrial labs for organic synthesis, material science, and chemical biology studies.

Basic Information

Product Name	Octadecanoic Acid, 18-Bromo-
CAS No.	2536-38-1
Molecular Formula	C18H35BrO2
Molecular Weight	363.38 g/mol
Synonyms	18-Bromooctadecanoic Acid; 18-Bromostearic Acid; Bromostearic Acid; Stearic Acid, 18-Bromo-; ω-Bromostearic Acid; Octadecanoic Acid, ω-Bromo-; NSC 3775; 18-Br-SA
EINECS	219-791-1

Quality Control

Every batch of Octadecanoic Acid, 18-Bromo- is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure batch-to-batch consistency and compliance with your project specifications. A detailed Certificate of Analysis (COA) including purity, identity confirmation, and impurity profile is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	58 - 62 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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