Description

Polyquaternium-51 is a high-performance, synthetic cationic polymer widely recognized for its exceptional film-forming and conditioning properties. This compound is particularly valued for its ability to provide long-lasting, substantive benefits to surfaces and substrates, enhancing durability and performance. It is a critical ingredient for formulators in the personal care, cosmetic, and specialty industrial sectors seeking advanced cationic functionality.

Application

• Hair Care Products: As a primary conditioning agent in shampoos, conditioners, and hair styling products to improve manageability, reduce static, and impart a silky feel.
• Skin Care & Cosmetics: Used in creams, lotions, and makeup formulations to enhance skin feel, provide moisturization, and improve product substantivity.
• Color Cosmetics: Acts as a film-former and binder in mascaras, eyeliners, and foundations to improve wear resistance and water resistance.
• Sun Care Products: Incorporated into sunscreens and after-sun products for its film-forming ability, which can help improve water resistance and skin feel.
• Men's Grooming: A key component in shaving creams, pre-shave, and post-shave lotions for lubricity and skin conditioning.
• Pharmaceutical Topicals: Utilized as an excipient in topical gels and creams to modify rheology and enhance delivery.

Basic Information

Product Name	Polyquaternium-51
CAS No.	125275-25-4
Molecular Formula	Contact for details
Molecular Weight	High polymer (variable)
Synonyms	Polyquaternium 51; Polyquat 51; PQ-51; Poly(dimethyl diallyl ammonium chloride) derivative; Merquat 280; Cationic polymer 51; Polyquaternium-51 polymer; Diallyldimethylammonium chloride-acrylamide copolymer
EINECS	Contact for details

Quality Control

Our Polyquaternium-51 is manufactured under a strict quality management system. Each batch is tested to ensure it meets consistent performance and purity standards relevant for cosmetic and personal care applications. A comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, viscosity, pH, and residual monomers is provided with every shipment.

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 incompatible materials. For long-term storage, ensure the container is kept tightly sealed to prevent moisture absorption or contamination.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Assay (Solid Content)	As per customer grade requirement
pH (as supplied)	4.0 - 7.0
Viscosity	As per customer grade requirement
Residual Monomers	< Specified limit
Identification (IR)	Conforms to standard

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