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Surfactant Dioctadecyl Dimethyl Ammonium Chloride Supplier DDAC 50% Surfactant

Surfactant Dioctadecyl Dimethyl Ammonium Chloride Supplier DDAC 50% CAS 107-64-2

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Surfactant Dioctadecyl Dimethyl Ammonium Chloride Supplier DDAC 50% CAS 107-64-2

Product Name: Didecyldimethylammonium Chloride DDAC
Purity: 50% / 80%
CAS: 107-64-2
MF: C38H80ClN
Type: Pharmaceutical Intermediates
Appearance: Colorless Liquid

Package: 220kg/IBC drum

Availability:

Quantity:



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Model:
DDAC 50%/80%
Brand:
SINOBIO
Code:
29349990

Product Description

DDAC 50%/80% Dioctadecyl dimethyl ammonium chloride

Dioctadecyl Dimethyl Ammonium Chloride (CAS 107-64-2) is a quaternary ammonium salt cationic surfactant. The following provides a detailed introduction to its basic information, physicochemical properties, applications, safety precautions, preparation methods, and market availability.

Basic Information

Product Name: Dioctadecyl Dimethyl Ammonium Chloride

CAS Number: 107-64-2

EINECS Number: 203-508-2

Molecular Formula: C₃₈H₈₀ClN

Molecular Weight: 586.5

Other Names: D1821, Dimethyl Dioctadecyl Ammonium Chloride, Dioctadecyl Dimethyl Ammonium Chloride, etc.

Physical and Chemical Properties

Appearance: White or slightly yellow paste, solid, or powder.

Solubility:

-Slightly soluble in water, dissolves upon heating.

-Readily soluble in polar solvents (e.g., acetone, ethanol), alcohols, and hot water.

-Almost insoluble in non-polar solvents (e.g., n-hexane).

Melting Point: 72-122°C

Boiling Point: Approximately 700.52°C (rough estimate)

Density: Approximately 0.8274 g/cm³ (rough estimate)

Refractive Index: Approximately 1.6000 (estimated)

Stability: Chemically stable, but hygroscopic; requires sealed storage.

Compatibility: Good compatibility with cationic, nonionic, and zwitterionic surfactants and dyes.

Didecyl dimethyl ammonium chloride (DDAC), a quaternary ammonium compound with versatile functional properties, serves a broad spectrum of industrial and daily-use roles. It functions as a disinfectant for eliminating pathogenic microorganisms, a fungicide for inhibiting fungal growth on surfaces or materials, a corrosion inhibitor for protecting metal substrates from oxidative damage, and an anti-static agent for reducing static electricity accumulation in plastics, textiles, or electronic components. Beyond these, it also acts as an emulsifier to stabilize oil-water mixtures, a dispersant to prevent particle agglomeration in suspensions, a flocculant for clarifying wastewater by aggregating impurities, a deodorizer to neutralize unpleasant odors in environments or products, and a fabric softener to enhance the smoothness and flexibility of textiles. In specialized industrial fields, DDAC is utilized as an asphalt emulsifier to facilitate the mixing of asphalt with water for road construction, an organic bentonite coating agent to modify the surface properties of bentonite for better compatibility in paints or adhesives, and an auxiliary agent in tertiary oil recovery to improve oil displacement efficiency and increase crude oil production.

In terms of solubility, DDAC exhibits high solubility in polar organic solvents (such as alcohols, ketones, and glycol ethers), while it shows only slight solubility in room-temperature water. However, its solubility in water can be significantly improved when the water is heated—this thermal solubility characteristic makes it easier to prepare aqueous formulations for scenarios like disinfection or textile processing.

From a performance perspective, DDAC possesses excellent core properties that underpin its diverse applications: its strong emulsifying ability ensures long-term stability of emulsion systems, its effective dispersion performance maintains uniform distribution of solid particles in liquids, its reliable anti-static effect minimizes static-related hazards in industrial operations, and its robust anti-corrosion property extends the service life of metal equipment or products in humid or corrosive environments. These comprehensive properties make DDAC a widely used and indispensable functional additive across multiple industries.

DDAC Technical Data Sheet (TDS):

Melting point	72～122℃
Boiling point	700.52°C (rough estimate)
Density	0.8274 (rough estimate)
Refractive index	1.6000 (estimate)
Storage temp.	Inert atmosphere,Room Temperature
Sensitive	Hygroscopic
BRN	3580288
Stability:	Stable. Incompatible with strong oxidizing agents. Combustible.

Didecyldimethylammonium Chloride Application:

1. Fabric Softener:

* A fabric softener widely used internationally, it imparts softness and antistatic properties to fabrics.

* Used in the textile printing and dyeing industry to improve the feel of fabrics.

2. Hair Conditioner:

* A key component of hair conditioners, providing softness and antistatic properties.

3. Emulsifier and Dispersant:

* Used for emulsification of synthetic rubber, silicone oil, asphalt, and other oleochemicals.

* As an asphalt emulsifier (must be compounded with other surfactants, such as 1831).

* Used as an organic bentonite covering agent and an additive for tertiary oil recovery.

4. Antiseptic and Fungicide:

* Has antibacterial and disinfectant properties and can be used as an antistatic agent for synthetic fibers and a softener for glass fibers.

* Used as a fungicide and disinfectant, such as a preservative in cosmetics and detergents.

5. Other Applications:

* An additive in the sugar industry.

* An intermediate or raw material in large-scale industrial production.

Package:

220kg/IBC drum, We provide customized package for different quantity.

package package

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Surfactant Dioctadecyl Dimethyl Ammonium Chloride Supplier DDAC 50% CAS 107-64-2

DDAC 50%/80% Dioctadecyl dimethyl ammonium chloride

Basic Information

Physical and Chemical Properties

DDAC Technical Data Sheet (TDS):