Description

4-Octylbenzoylamido-Propyl-Dimethylammoniosulfobetaine is a high-purity zwitterionic surfactant and specialty chemical intermediate. This compound is valued for its unique amphoteric structure, which provides excellent surface activity, compatibility, and stability across a wide pH range. It is essential for formulators and manufacturers in the personal care, pharmaceutical, and advanced material sectors seeking to enhance product performance and stability.

Application

• Personal Care Formulations: As a primary or co-surfactant in mild shampoos, body washes, and facial cleansers, offering superior mildness and foam stability.
• Pharmaceutical Excipients: Used in drug delivery systems to improve solubility and stability of active pharmaceutical ingredients (APIs).
• Biotechnology & Protein Research: Employed as a zwitterionic detergent for membrane protein solubilization and stabilization while maintaining biological activity.
• Enhanced Oil Recovery (EOR): Acts as a specialty surfactant in chemical flooding formulations to reduce interfacial tension in reservoir conditions.
• Coatings & Inks: Serves as a wetting and dispersing agent to improve pigment dispersion and application properties.
• Household & Industrial Cleaners: Provides effective cleaning and foaming in hard surface cleaners and industrial degreasers with low irritation potential.

Basic Information

Product Name	4-Octylbenzoylamido-Propyl-Dimethylammoniosulfobetaine
CAS No.	216667-49-1
Molecular Formula	C22H38N2O4S
Molecular Weight	426.62 g/mol
Synonyms	N-[3-(Dimethylammonio)propyl]-4-octylbenzamide inner salt; Sulfobetaine SB-8; Octylbenzamidopropyl Betaine; Zwittergent 3-8; C8-Benzamidopropyl Dimethyl Ammonio Sulfonate; 4-Octylbenzamidopropyl Dimethyl Ammoniosulfobetaine; N-(3-Dimethylaminopropyl)-4-octylbenzamide sulfobetaine
EINECS	Contact for details

Quality Control

Our 4-Octylbenzoylamido-Propyl-Dimethylammoniosulfobetaine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for critical applications. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	6.0 - 8.0

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