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70755-47-4
>> Product Introduce
Dihexadecyldimethylammonium Bromide (D1621-Br/DHDMAB)
CAS 70755-47-4
Dihexadecyldimethylammonium Bromide (CAS 70755-47-4) is a high-purity quaternary ammonium compound featuring a double long-chain C16 alkyl structure, presenting as a white crystalline powder with excellent thermal stability and a melting point of 159-162°C. This versatile cationic surfactant serves as a highly efficient phase transfer catalyst in organic synthesis, facilitating reactions such as alkylations and polymerizations by enabling reactant transfer between immiscible phases. In biomedical applications, it functions as a key cationic lipid component for non-viral gene transfection and drug delivery systems, forming lipoplexes that protect and deliver nucleic acids into cells, while also serving as an effective cell lysis reagent in diagnostic kits. Additionally, it is widely employed as an industrial emulsifier, biocide, and antistatic agent in water treatment, cosmetic formulations, coating technologies, and material surface modification, ensuring consistent performance across pharmaceutical, chemical manufacturing, and biotechnology sectors.
>> Main Uses
Dihexadecyldimethylammonium Bromide (D1621-Br/DHDMAB, CAS 70755-47-4) is primarily used as a highly efficient phase transfer catalyst in organic synthesis to accelerate reactions between immiscible phases, and as a key cationic lipid component in biomedical research for non-viral gene transfection and drug delivery systems. It also functions as a versatile industrial surfactant, serving as an emulsifier, biocide, and antistatic agent in applications such as water treatment, cosmetic formulations, diagnostic cell lysis reagents, and material surface modification.
>> Technical Specifications
Items | Prescription |
Active Matter % | 50±1 |
Appearance 25℃ | Pale yellow to colorless transparent paste |
| Concentration | 50%/75% |
Free amine +HCL amine <% | 1 |
Color(Apha) | <100 |
PH(1% aqueous solution) | 6.0-8.0 |
>> Package and Storage Conditions
Packaged in lBC tanks or blue plastic drums.
Store in a sealed container in a cool, dry place.
Keep away from fire sources and oxidants.
Avoid high temperatures and humid environments to prevent caking due tomoisture absorption.
