1643-20-5
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Product Overview |
Lauryldimethylamine oxide (LDAO, CAS No. 1643‑20‑5) is an amphoteric amine‑oxide surfactant widely used in dishwashing liquid, shampoo and body wash to increase foam, stabilize foam, thicken and reduce irritation.
The raw material source of LDAO is coconut oil and palm kernel oil. It is manufactured via hydrogen peroxide oxidation of lauryl dimethyl tertiary amine under controlled reaction conditions. The standard active matter content is normally 30%, and custom adjustment of active concentration is available upon request.
In textile and printing‑dyeing industries,it used as softener, antistatic agent and solubilizing auxiliary . It produces rich, delicate and creamy foam in detergent formulations and is particularly suitable for preparing mild baby shampoo, leaving hair soft, smooth and easy to comb.
LDAO can also be applied in household cleaners and personal‑care cleansing systems, where its molecular structure enables effective foam boosting, viscosity building and irritation‑reducing performance with broad surfactant compatibility. LDAO‑containing formulations are also adopted in selected industrial cleaning and textile finishing applications.
Technical Specifications |
Test Item | Specification |
Appearance | Colorless to light yellow clear liquid |
Colour | Max 100 |
Free amine content | Max 0.5% |
Hydrogen peroxide content | Max 0.5% |
Active matter content | 28.0-32.0% |
pH | 6.0-8.0 |
Packaging & Storage |
Packaging: 1000 kg/IBC drum. Custom packaging can be discussed based on order quantity and transportation requirements.
Storage: Store indoors in a cool, dry area. Keep away from heat sources and avoid prolonged storage above 30°C.
Storage & Handling Notes
Store LDAO in tightly-sealed containers within a cool, dry and well-ventilated warehouse. Keep away from direct sunlight, excessive heat and freezing conditions. Separate from strong oxidizing agents and strong acids to prevent chemical incompatibility. Recommended storage temperature: 10-30 °C; avoid copper-based containers; HDPE plastic packaging is preferred.
Shipping & Delivery |
Jinan, China
Immediately after payment
Qingdao / Tianjin / Shanghai / Ningbo
Sample Support
Samples are available for evaluation before bulk orders. Shipment arrangements depend on destination and applicable transportation requirements.
Factory & Quality Control |
Consistent quality control for each production batch.
Technical documents available upon request.
Samples available for product evaluation.
Custom specifications available upon request.
View Factory & Quality Control → View Technical Documents →
Applications |
Applications of Lauryldimethylamine oxide (LDAO)
Lauryldimethylamine oxide (LDAO, CAS 1643-20-5) is an amine-oxide amphoteric surfactant widely applied in personal-care, textile, cleaning and oil-field chemical formulations. It features excellent foaming, solubilizing, antistatic and interfacial-active properties for diverse multi-component liquid systems.
Personal care & Textile Applications
LDAO acts as softener, antistatic agent and solubilizer in textile and printing-dyeing processes. It produces rich, delicate creamy foam and fits well for mild baby shampoo, rendering hair soft, smooth and easy-to-comb.
Typical application areas include:
Mild baby shampoos
Hair-care cleansing products
Textile softening finishing
Printing-dyeing auxiliaries
Household & Industrial Cleaning
As an effective detergent with stable, abundant foaming capacity, LDAO serves in dishwashing detergents and industrial liquid bleaches. It boosts and stabilizes foam, improves thickener compatibility and overall formulation stability. When compounded with other surfactants, it elevates cleaning performance and storage stability of finished cleaners.
Typical applications include:
Hand dishwashing detergents
Household multi-purpose cleaners
Industrial liquid bleaches
Alkaline hard-surface cleaners
Oilfield Chemicals
Benefiting from good salt tolerance and interfacial activity, LDAO functions as foaming agent and foam stabilizer under high-salinity formation-water environments. It lowers oil-water interfacial tension for foam-assisted drainage and foam flooding, and provides auxiliary corrosion inhibition for wellbore and pipeline metal surfaces.
Typical applications include:
Gas-well foam drainage
Foam flooding additives
Oilfield foam stabilizers
Auxiliary corrosion inhibitors for field pipelines
The final performance of LDAO in any formulation depends on formula composition, surfactant ratio, pH value, processing conditions and end use scenarios. Customers shall verify product suitability based on their specific formulation requirements.
FAQ |
Q:What is LDAO used for?
A:LDAO is mainly used in personal‑care products, textile auxiliaries, household & industrial cleaners, and oil‑field chemical applications.
Q:What kinds of transportation types can you provide?
A: We can provide a variety of transportation methods, including express delivery for shipments under 25 kg, sea freight for large-volume cargo, and air freight upon request.
Q:What pre-sales and after-sales support do you provide?
A: We respond within 24 hours and provide technical, order, and logistics support throughout the cooperation process.