Description

1,3-Propanediamine, N,N,N,n-Tetramethyl-, Dihydrobromide is a high-purity quaternary ammonium salt derivative of 1,3-propanediamine, valued for its role as a versatile cationic intermediate and phase-transfer catalyst. This compound is critical for synthesizing specialty chemicals where precise molecular structure and ionic character are required. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for applications in organic synthesis and polymer modification.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring quaternary ammonium functionalities.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in organic synthesis.
• Agrochemical Synthesis: Serves as a key building block for producing cationic surfactants and plant growth regulators.
• Polymer Modification: Employed to introduce cationic sites into polymers for applications in flocculants, ion-exchange resins, and specialty coatings.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies and material properties.
• Surfactant and Disinfectant Precursor: Used in the manufacture of quaternary ammonium compounds (Quats) for biocidal formulations and fabric softeners.

Basic Information

Product Name	1,3-Propanediamine, N,N,N,n-Tetramethyl-, Dihydrobromide
CAS No.	13440-09-0
Molecular Formula	C7H20Br2N2
Molecular Weight	292.06 g/mol
Synonyms	N,N,N',N'-Tetramethyl-1,3-propanediamine dihydrobromide; 1,3-Bis(dimethylamino)propane dihydrobromide; TMDPA·2HBr; 3-(Dimethylamino)-N,N-dimethyl-1-propanamine dihydrobromide; N1,N1,N3,N3-Tetramethylpropane-1,3-diamine dihydrobromide; Propane-1,3-diamine, N,N,N',N'-tetramethyl-, dihydrobromide; Bis(dimethylaminopropyl)amine dihydrobromide (common name)
EINECS	Contact for details

Quality Control

Our 1,3-Propanediamine, N,N,N,n-Tetramethyl-, Dihydrobromide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and physical characteristics 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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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