Description

5-Carboxypentyl Disulfide is a high-purity, bifunctional organic compound featuring both a carboxylic acid and a disulfide moiety. This unique structure makes it a valuable intermediate for synthesizing specialized polymers, surface modifiers, and bioactive molecules where controlled cross-linking or specific surface functionalization is required. It is particularly sought after by R&D chemists and process engineers in the pharmaceutical, advanced materials, and specialty chemical sectors for developing novel drug delivery systems, functional coatings, and self-assembled monolayers.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing prodrugs, bioconjugates, and targeted therapeutic agents that utilize disulfide bonds for controlled release.
• Polymer Modification & Cross-linking Agent: Used to introduce carboxylic acid functionality and disulfide linkages into polymer backbones, enabling the creation of stimuli-responsive or biodegradable materials.
• Surface Chemistry & Self-Assembled Monolayers (SAMs): Serves as a precursor for modifying gold and other metal surfaces, creating functionalized interfaces for biosensors and diagnostic devices.
• Ligand Synthesis for Catalysis: Employed in the preparation of specialized ligands for metal-organic frameworks (MOFs) or homogeneous catalysts.
• Hair Care & Cosmetic Ingredients: Potential intermediate in the synthesis of hair-straightening or permanent-waving agents that reform disulfide bonds in keratin.
• Rubber & Elastomer Additive: Can act as a novel curing agent or cross-linker to impart specific mechanical or reworkable properties to synthetic rubbers.

Basic Information

Product Name	5-Carboxypentyl Disulfide
CAS No.	92038-67-0
Molecular Formula	C12H22O4S2
Molecular Weight	294.43 g/mol
Synonyms	6,6'-Dithiodihexanoic Acid; 6,6'-Dithiobishexanoic Acid; Bis(5-carboxypentyl) Disulfide; 5,5'-Dithiobis(pentanoic Acid); Hexanedioic Acid, 6,6'-dithiobis-; 6-(5-Carboxypentyldisulfanyl)hexanoic Acid; 6-[(5-Carboxypentyl)disulfanyl]hexanoic Acid; NSC 334365
EINECS	Contact for details

Quality Control

Our 5-Carboxypentyl Disulfide is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting specifications for research and industrial use. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent batch-to-batch quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	85 - 95 °C
Loss on Drying	≤ 1.0 %
Heavy Metals	≤ 20 ppm

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