Description

Sodium Dodecyl Sulfate CAS NO 556-76-3 is a high-purity anionic surfactant, widely recognized for its excellent foaming, emulsifying, and wetting properties. This compound is a critical raw material valued for its consistent performance and reliability in demanding industrial and research applications. It is essential for manufacturers and formulators in the personal care, pharmaceutical, biotechnology, and industrial cleaning sectors.

Application

• Biotechnology & Biochemistry: A key component in SDS-PAGE (polyacrylamide gel electrophoresis) for protein separation and analysis.
• Pharmaceutical Formulations: Used as an emulsifying and solubilizing agent in topical creams, ointments, and medicated shampoos.
• Personal Care Products: Acts as a primary foaming and cleansing agent in toothpastes, shampoos, body washes, and bubble baths.
• Industrial & Institutional Cleaning: Serves as a powerful surfactant in heavy-duty detergents, degreasers, and car wash formulations.
• Textile & Leather Processing: Employed as a wetting agent and emulsifier in various stages of processing and finishing.
• Laboratory Research: Utilized for cell lysis, nucleic acid purification, and as a denaturing agent in various biochemical assays.

Basic Information

Product Name	Sodium Dodecyl Sulfate
CAS No.	556-76-3
Molecular Formula	C12H25NaO4S
Molecular Weight	288.38 g/mol
Synonyms	SDS; Sodium Lauryl Sulfate (SLS); Dodecyl Sodium Sulfate; Lauryl Sodium Sulfate; Sodium Monododecyl Sulfate; Sulfuric Acid Monododecyl Ester Sodium Salt; Aquarex ME
EINECS	209-136-3

Quality Control

Our Sodium Dodecyl Sulfate is manufactured under a strict quality management system. Each batch is tested to ensure it meets high-purity standards suitable for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and physical parameters is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture, which can affect performance.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
pH (10% Solution)	6.0 - 9.0
Loss on Drying	≤ 5.0%
Sodium Chloride	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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