Description

Polyquaternium-9 is a synthetic cationic polymer belonging to the polyquaternium family, widely recognized for its exceptional conditioning and antistatic properties. Its primary value lies in its ability to effectively deposit onto negatively charged surfaces, such as hair and skin, providing superior detangling, softness, and manageability. This makes it a critical ingredient for manufacturers in the personal care and cosmetic industries, particularly for formulating high-performance shampoos, conditioners, and skin care products. Its compatibility with a wide range of surfactants and additives further enhances its utility in creating stable and effective consumer formulations.

Application

• Hair Care Formulations: A key conditioning agent in shampoos and conditioners to impart softness, reduce static, and improve combability.
• Skin Care Products: Used in body washes, facial cleansers, and lotions as a mild conditioning polymer to enhance skin feel and moisturization.
• Color Cosmetics: Functions as a stabilizer and conditioning agent in mascaras, eyeliners, and foundations to improve application and wear.
• Antistatic Agent: Employed in hair styling products and treatment serums to control flyaways and static electricity.
• Shaving Preparations: Added to shaving gels and foams to provide lubrication and a smooth post-shave feel.
• Industrial & Institutional (I&I) Cleaners: Used in certain floor polishes and industrial cleaning formulations for its film-forming and conditioning properties.

Basic Information

Product Name	Polyquaternium-9
CAS No.	130291-58-6
Molecular Formula	(C8H16NO)n · Cl
Molecular Weight	Contact for details
Synonyms	Polyquaternium-9; Poly[(2-ethanaminium, N,N,N-trimethyl-, chloride), (2-propenamide) copolymer]; Polyquat 9; Polyquaternium 9; PQ-9; Poly(dimethyl diallyl ammonium chloride/acrylamide); Merquat 100; Cationic polyacrylamide; Poly(acrylamide-co-diallyldimethylammonium chloride)
EINECS	Contact for details

Quality Control

Our Polyquaternium-9 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance. Quality is verified through a comprehensive suite of analytical tests, including assay, viscosity, pH, and residual monomer content. Certificates of Analysis (COA) documenting these parameters are provided with every shipment. We adhere to relevant cosmetic ingredient standards and good manufacturing practices (GMP) to support our customers' quality and regulatory requirements.

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 acids and organic solvents. Under these conditions, the product has a typical shelf life of 24 months from the date of manufacture.

Specification

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

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