Description

Octadecanedioic Acid Mono-tert-Butyl Ester is a high-purity, long-chain dicarboxylic acid derivative with a protected carboxylic acid group. This unique structure makes it a valuable and versatile intermediate in advanced organic synthesis, particularly for constructing complex molecules where selective reactivity is required. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), especially in creating lipid-conjugated drugs or prodrugs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific hydrophobic chain properties.
• Polymer & Material Science: Serves as a monomer or chain extender in the synthesis of specialty polyesters, polyamides, and other high-performance polymers.
• Lubricant & Fuel Additive Precursor: Intermediate for manufacturing synthetic esters used as base stocks for lubricants or as performance-enhancing additives.
• Cosmetic Ingredient Synthesis: Employed in the production of specialty esters and emollients for high-end cosmetic formulations.
• Organic Synthesis & Research: A critical reagent in academic and industrial R&D for constructing complex organic molecules, leveraging the tert-butyl ester as a protecting group.

Basic Information

Product Name	Octadecanedioic Acid Mono-tert-Butyl Ester
CAS No.	843666-40-0
Molecular Formula	C22H42O4
Molecular Weight	370.57 g/mol
Synonyms	1,18-Octadecanedioic acid, 1-(1,1-dimethylethyl) ester; Mono-tert-butyl octadecanedioate; tert-Butyl hydrogen octadecanedioate; 18-(tert-Butoxy)-18-oxooctadecanoic acid; Octadecanedioic acid mono-tert-butyl ester; C18-Dicarboxylic acid mono-tert-butyl ester
EINECS	Contact for details

Quality Control

Our Octadecanedioic Acid Mono-tert-Butyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided and 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). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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