Description

Polyquaternium-19 is a high-performance cationic polymer belonging to the quaternary ammonium compound family, widely recognized for its exceptional conditioning and film-forming properties. This versatile ingredient is crucial for enhancing product performance by providing superior substantivity, antistatic effects, and manageability. It is an essential raw material for formulators in the personal care and cosmetic industries seeking to improve the texture and efficacy of rinse-off and leave-on products.

Application

• Hair Care Formulations: A key conditioning agent in shampoos, conditioners, and hair masks to impart softness, detangling, and shine.
• Skin Care Products: Used in creams, lotions, and body washes to provide a smooth, silky after-feel and improve skin moisturization.
• Color Cosmetics: Enhances the application and wear of mascaras, eyeliners, and foundations by improving pigment dispersion and film integrity.
• Styling Products: Provides hold and conditioning benefits in hair gels, mousses, and sprays without causing flaking or stiffness.
• Shaving Preparations: Incorporated into shaving creams and gels to reduce drag and provide a protective, lubricating layer on the skin.
• Industrial & Institutional (I&I) Care: Serves as a conditioning and antistatic agent in fabric softeners and certain industrial surfactant systems.

Basic Information

Product Name	Polyquaternium-19
CAS No.	110736-85-1
Molecular Formula	(C14H28N2O4)n • (C3H5ClO)n
Molecular Weight	Variable (Polymer)
Synonyms	Polyquaternium 19; Polyquaternium-19; PQ-19; Quaternium-19 Polymer; Poly[(2-hydroxy-3-trimethylammonium)propyl ether chloride-co-acrylamide]; Acrylamide copolymer with (3-acrylamidopropyl)trimethylammonium chloride; Merquat 550; Merquat 280; Mirapol 550
EINECS	Contact for details

Quality Control

Our Polyquaternium-19 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive analytical testing, including assay, viscosity, pH, and residual monomer analysis. A Certificate of Analysis (COA) documenting all critical parameters 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 oxidizing agents.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Assay (Active Content)	30 - 40 %
pH (as is or @ specified dilution)	4.0 - 7.0
Viscosity	Contact for details
Residual Monomer (Acrylamide)	< 0.1 %
Identification (IR)	Conforms

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