Description

n-Dodecylpropane-1,3-Diamine Hydrochloride is a high-purity, cationic diamine salt with significant surface-active properties. This compound is valued for its dual amine functionality and long hydrophobic chain, making it an effective intermediate and modifier in advanced material synthesis. It is primarily utilized by manufacturers in the polymer, textile, and personal care industries seeking to enhance product performance through chemical functionalization.

Application

• Polymer Additive: Acts as a curing agent, chain extender, or cross-linking agent in epoxy and polyurethane resin systems.
• Surfactant Intermediate: Serves as a key raw material for synthesizing cationic, gemini, and other specialty surfactants.
• Textile Auxiliary: Used in the production of fabric softeners, dye leveling agents, and antistatic coatings.
• Corrosion Inhibitor: Formulated into protective coatings and additives for metalworking fluids due to its film-forming amine groups.
• Personal Care Ingredients: Employed as a precursor for conditioning agents in hair care and skincare formulations.
• Biocide & Disinfectant Synergist: Enhances the efficacy of antimicrobial formulations in industrial and institutional cleaning products.
• Asphalt Modifier: Improves the adhesion and moisture resistance of asphalt mixtures for road construction.
• Paper Chemical: Functions as a retention aid and strengthening agent in paper manufacturing processes.

Basic Information

Product Name	n-Dodecylpropane-1,3-Diamine Hydrochloride
CAS No.	71732-94-0
Molecular Formula	C15H35ClN2
Molecular Weight	278.90 g/mol
Synonyms	1,3-Propanediamine, N-Dodecyl-, Dihydrochloride; N-Dodecyl-1,3-propanediamine Dihydrochloride; Dodecylpropylenediamine Dihydrochloride; Laurylpropylenediamine Dihydrochloride; 3-(Dodecylamino)propylamine Dihydrochloride; N-Lauryl-1,3-diaminopropane Dihydrochloride; C12-APA·2HCl; Duomeen C12 Dihydrochloride (trade name)
EINECS	Contact for details

Quality Control

Our n-Dodecylpropane-1,3-Diamine Hydrochloride is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity, consistent composition, and reliable performance. Certificates of Analysis (COA) documenting key parameters such as assay, identity, and impurity profiles 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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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