Description

Octadecyl Hydrogen Sulphate is a long-chain alkyl sulfate surfactant and an important organic intermediate. This compound matters for its ability to impart surface-active properties and act as a versatile building block in specialty chemical synthesis. It is needed by manufacturers in the personal care, textile, agrochemical, and polymer industries for applications ranging from emulsification to chemical modification.

Application

• Surfactant & Emulsifier: Used in the formulation of industrial and institutional cleaners, textile processing aids, and emulsion polymerization systems.
• Personal Care Ingredients: Serves as a raw material or intermediate in the synthesis of mild anionic surfactants for shampoos, body washes, and other cosmetic products.
• Agrochemical Adjuvants: Functions as a wetting, spreading, or penetrating agent in pesticide and herbicide formulations to enhance efficacy.
• Chemical Intermediate: A key precursor for the synthesis of other sulfate esters, quaternary ammonium compounds, and specialty surfactants with tailored properties.
• Lubricant & Metalworking Additives: Employed as an additive in lubricating oils and metalworking fluids for its anti-wear and emulsifying characteristics.
• Leather & Textile Processing: Acts as a wetting agent, softener, or dyeing assistant in leather tanning and textile finishing processes.

Basic Information

Product Name	Octadecyl Hydrogen Sulphate
CAS No.	143-03-3
Molecular Formula	C₁₈H₃₈O₄S
Molecular Weight	350.56 g/mol
Synonyms	Stearyl Hydrogen Sulfate; Octadecyl Sulfate; n-Octadecyl Sulfate; Stearyl Sulfate; 1-Octadecanol Hydrogen Sulfate; Sulfuric Acid, Octadecyl Ester; AS-18; C18-Alkyl Sulfate
EINECS	205-587-3

Quality Control

Our Octadecyl Hydrogen Sulphate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, composition, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment to guarantee compliance with your specifications.

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). Keep away from strong bases and oxidizing agents. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white waxy solid or paste
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Free Fatty Alcohol	≤ 2.0 %
Water Content (KF)	≤ 1.0 %
pH (10% Solution)	2.0 - 5.0

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