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3-Aminopropyldimethylamine (DMAPA) is a low-molecular-weight aliphatic diamine containing both primary and tertiary amine functional groups.
3-Aminopropyldimethylamine is a versatile and highly reactive chemical intermediate used in the manufacture of surfactants, betaines, polymers, resins, water-treatment chemicals, personal-care ingredients and various specialty chemicals.
DMAPA is a colorless, water-miscible liquid with strong basic properties.
Its unique molecular structure provides excellent versatility for further chemical reactions, making it an important intermediate in a wide range of industrial applications.
Product Information
Chemical Name: 3-Aminopropyldimethylamine
Common Name: DMAPA
CAS No.: 109-55-7
EC No.: 203-680-9
Molecular Formula: C₅H₁₄N₂
Molecular Weight: 102.18 g/mol
IUPAC Name: N',N'-Dimethylpropane-1,3-diamine
Physical Form: Colorless liquid
Synonyms: 3-Dimethylaminopropylamine, 3-(Dimethylamino)propylamine, 3-(Dimethylamino)-1-propylamine, N,N-Dimethyl-1,3-propanediamine, N,N-Dimethyl-1,3-propylenediamine, N,N-Dimethylpropylenediamine, N,N-Dimethyltrimethylenediamine, N,N-Dimethyl-1,3-diaminopropane, N,N-Dimethyl-N-(3-aminopropyl)amine, 1-(Dimethylamino)-3-aminopropane, 1-Amino-3-(dimethylamino)propane, 3-Amino-1-(dimethylamino)propane, γ-(Dimethylamino)propylamine, 3-Dimethylamino-n-propylamine, DMAPA
3-Aminopropyldimethylamine (DMAPA) is a versatile aliphatic diamine and multifunctional chemical intermediate characterized by the presence of both primary and tertiary amino groups.
Its unique chemical structure provides high reactivity and makes 3-Aminopropyldimethylamine suitable for a broad range of chemical synthesis and industrial applications.
DMAPA is widely used as a building block for the production of surfactants, betaines, polymers, resins, water-treatment chemicals, personal-care ingredients and specialty chemical products.
Technical Description:
3-Aminopropyldimethylamine, commonly referred to as DMAPA, is a low-molecular-weight, aliphatic diamine with the chemical formula C₅H₁₄N₂ and a molecular weight of 102.18 g/mol.
The molecule contains a primary amine group and a tertiary dimethylamine group, providing two distinct sites for chemical reactions.
This combination of functionalities gives DMAPA excellent versatility as a reactive intermediate in the manufacture of surfactants, polyurethane systems, epoxy materials, specialty polymers and other nitrogen-containing chemicals.
3-Aminopropyldimethylamine is an important industrial amine intermediate used across multiple chemical manufacturing sectors.
3-Aminopropyldimethylamine serves as a key raw material in the synthesis of amphoteric surfactants, betaines, cationic materials, polyurethane components, epoxy curing systems, flocculants and specialty additives.
Its combination of primary and tertiary amine functionality enables manufacturers to develop a wide variety of downstream products with tailored performance characteristics.
3-Aminopropyldimethylamine is a highly versatile building block for the synthesis of nitrogen-containing specialty chemicals.
Its primary and tertiary amine groups allow 3-Aminopropyldimethylamine to participate in a variety of chemical reactions, making 3-Aminopropyldimethylamine suitable for the production of functional additives, resins, binding agents, ion-exchange materials, flocculants, lubricant additives and other performance chemicals.
Its broad reactivity profile makes 3-Aminopropyldimethylamine an attractive intermediate for both commodity and specialty chemical manufacturing.
3-Aminopropyldimethylamine (DMAPA) is a colorless, water-miscible aliphatic diamine used primarily as a versatile chemical intermediate.
3-Aminopropyldimethylamine is widely applied in the production of surfactants, betaines, personal-care ingredients, polymers, epoxy systems, polyurethane materials and water-treatment chemicals.
Description for Surfactant Applications:
3-Aminopropyldimethylamine is an important intermediate for the manufacture of surfactants and amphoteric surface-active materials.
3-Aminopropyldimethylamine is particularly valuable in the production of betaines and related specialty surfactants used in personal-care, household and industrial cleaning formulations.
DMAPA provides the required amine functionality for subsequent reactions with fatty acids and other carboxylic compounds, enabling the production of surfactants with desirable foaming, cleansing, mildness and formulation properties.
Key Properties
Colorless: liquid
Molecular weight: 102.18 g/mol
Molecular formula: C₅H₁₄N₂
Contains primary and tertiary amine groups
Strongly basic
Water miscible
Highly reactive chemical intermediate
Suitable for surfactant and polymer synthesis
Applications
3-Aminopropyldimethylamine is widely used as a chemical intermediate in various industries, including:
Surfactants: Production of amphoteric surfactants, betaines and specialty surfactants
Personal Care: Shampoo, hair-care, cosmetic and cleansing formulations
Home Care: Household and industrial cleaning products
Polyurethanes: Intermediate and reactive component in polyurethane chemistry
Epoxy Resins: Amine curing agent and hardener for epoxy resin systems
Water Treatment: Production of flocculants and other water-treatment chemicals
Paper Industry: Manufacture of paper-processing and specialty chemicals
Textile Industry: Textile auxiliaries and finishing chemicals
Leather Industry: Specialty leather-processing chemicals
Specialty Chemicals: Production of binding agents, ion-exchange materials, lubricant additives and other chemical intermediates
Chemical Synthesis: Building block for the manufacture of various amine-functional specialty products
Industrial Importance
3-Aminopropyldimethylamine is commercially important because its molecular structure combines a primary amine and a tertiary amine in the same molecule.
This makes 3-Aminopropyldimethylamine a versatile starting material for chemical synthesis.
In industrial chemistry, 3-Aminopropyldimethylamine is particularly valuable as a precursor for surfactants, betaines, polyurethanes, epoxy systems, water-treatment chemicals and specialty additives.
Its relatively small molecular size and high chemical functionality make 3-Aminopropyldimethylamine suitable for further reactions with fatty acids, epoxides, carboxylic acids and other reactive compounds.
Summary
3-Aminopropyldimethylamine (DMAPA), CAS No. 109-55-7, is a versatile aliphatic diamine and important industrial chemical intermediate.
Its combination of primary and tertiary amine functionalities makes 3-Aminopropyldimethylamine particularly suitable for the production of surfactants, betaines, polyurethane materials, epoxy systems, water-treatment chemicals, personal-care ingredients and other specialty chemicals.
