Description

Niaproof Type 4 is a high-purity anionic surfactant belonging to the alkyl sulfate class, identified by CAS No. 139-88-8. It is valued for its excellent wetting, emulsifying, and dispersing properties, making it a critical component in formulations requiring consistent performance and stability. This product is essential for manufacturers in the agrochemical, industrial cleaning, and polymer emulsion sectors who demand reliable raw materials for their production processes.

Application

• Agrochemical Formulations: Acts as a key wetting agent and emulsifier in pesticide and herbicide concentrates.
• Industrial & Institutional (I&I) Cleaners: Provides superior detergency and foaming in heavy-duty floor cleaners, degreasers, and metal cleaning solutions.
• Polymerization: Serves as an effective emulsifier and stabilizer in the emulsion polymerization of styrene-butadiene rubber (SBR), acrylics, and PVC.
• Textile Processing: Used as a scouring and wetting agent in fabric preparation and dyeing baths.
• Leather Processing: Functions as a penetrant and fatliquoring assistant in leather treatment.
• Paper & Pulp Industry: Employed as a dispersant and de-inking agent.

Basic Information

Product Name	Niaproof Type 4
CAS No.	139-88-8
Molecular Formula	C7H15NaO4S
Molecular Weight	218.25 g/mol
Synonyms	Sodium Heptyl Sulfate; Heptyl Sodium Sulfate; Sodium n-Heptyl Sulfate; 1-Heptanol, hydrogen sulfate, sodium salt; Sulfuric acid, monohydrogen heptyl ester, sodium salt; SHS; Niaproof 4; Anionic Surfactant 4
EINECS	205-379-1

Quality Control

Our Niaproof Type 4 is manufactured under a stringent quality management system. Every batch is tested to ensure it meets precise specifications for active matter content, pH, and ionic composition. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and physical parameters is provided with each shipment to guarantee consistent quality and performance for your formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear to slightly hazy liquid
Assay (Active Matter)	Min. 98.0%
pH (10% solution)	6.0 - 9.0
Water Content	Max. 1.0%
Identification (IR)	Conforms
Sodium Sulfate	Max. 0.5%

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