Description

Sodium Dioctadecyl Phosphate is a high-purity, long-chain organophosphate salt widely utilized as a critical performance additive. Its primary value lies in its excellent surfactant and emulsifying properties, making it indispensable for stabilizing complex formulations and modifying surface characteristics. This product is essential for manufacturers in the personal care, coatings, and specialty chemical industries seeking reliable, high-performance ingredients for advanced material science applications.

Application

• Personal Care & Cosmetics: Acts as a key emulsifier and stabilizer in high-end creams, lotions, and sunscreens, providing texture and formulation stability.
• Coatings & Paints: Serves as a dispersing agent and rheology modifier to improve pigment wetting, prevent settling, and enhance film properties.
• Polymer & Plastic Additives: Functions as an internal and external lubricant, anti-static agent, and processing aid in polymer compounding and extrusion.
• Metalworking Fluids: Used as a corrosion inhibitor and emulsifier in synthetic and semi-synthetic lubricants and coolants.
• Textile & Fiber Processing: Employed as a softening agent, antistatic agent, and lubricant in fiber spinning and fabric finishing.
• Pharmaceutical Excipients: Utilized in specific drug delivery systems as a lipid component or emulsifying agent for topical formulations.
• Agricultural Formulations: Aids in the emulsification and dispersion of active ingredients in pesticide and herbicide concentrates.
• Research & Development: Serves as a standard or reagent in chemical synthesis and material science research involving phosphate esters.

Basic Information

Product Name	Sodium Dioctadecyl Phosphate
CAS No.	2958-14-7
Molecular Formula	C36H75O4PNa
Molecular Weight	625.94 g/mol
Synonyms	Dioctadecyl Phosphate Sodium Salt; Sodium Di-n-octadecyl Phosphate; Di-n-octadecyl Phosphoric Acid Sodium Salt; Phosphoric Acid, Dioctadecyl Ester, Sodium Salt; Stearyl Phosphate (Sodium Salt); DSP-Na; Arlatone MAP 160K (related trade); Crodafos SG (related trade)
EINECS	220-995-5

Quality Control

Our Sodium Dioctadecyl Phosphate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) documenting key parameters such as assay, moisture content, and heavy metals is provided to guarantee consistency and compliance with your formulation requirements.

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 material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Dispersion)	6.0 - 8.0
Melting Point	Contact for details

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