Description

Hydroxystearamidopropyl Trimonium Methosulfate is a high-performance cationic conditioning agent derived from hydroxystearic acid. This compound is valued for its exceptional substantivity to hair and skin, delivering superior softness, manageability, and antistatic properties. It is a critical ingredient for formulators in the personal care and cosmetics industry seeking to enhance the sensory profile and conditioning efficacy of rinse-off and leave-on products.

Application

• Hair Conditioners & Rinses: Primary conditioning agent for shampoos, conditioners, and hair masks, providing excellent detangling, smoothness, and shine.
• Skin Care Creams & Lotions: Imparts a luxurious, velvety after-feel and improves skin moisturization in body lotions, facial creams, and hand sanitizers.
• Color Cosmetics: Used in foundations, mascaras, and makeup to improve pigment dispersion, product spreadability, and adherence to skin or hair.
• Shaving Preparations: Enhances lubricity and provides a protective, soothing film in shaving creams and gels.
• Sun Care Products: Acts as a conditioning and emulsifying aid in sunscreens and after-sun lotions.
• Bar Soaps & Syndet Bars: Incorporated to reduce harshness, improve lather stability, and add a conditioning benefit to solid cleansing bars.

Basic Information

Product Name	Hydroxystearamidopropyl Trimonium Methosulfate
CAS No.	127312-00-9
Molecular Formula	C25H52N3O6S
Molecular Weight	522.8 g/mol
Synonyms	Hydroxystearamidopropyltrimonium Methosulfate; 12-Hydroxyoctadecanamidopropyltrimonium Methosulfate; Trimethyl[3-[(1-oxo-12-hydroxyoctadecyl)amino]propyl]ammonium Methyl Sulfate; Cationic Conditioner HS; Conditioning Agent HS; HS-Conditioner; Hydroxystearamidopropyl Trimethylammonium Methosulfate
EINECS	Contact for details

Quality Control

Our Hydroxystearamidopropyl Trimonium Methosulfate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets consistent purity and performance standards for cosmetic applications. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which may affect product performance.

Specification

Item	Specification
Appearance	Off-white to pale yellow paste or solid
Identification (IR)	Conforms to structure
Assay (Active Matter)	≥ 95.0 %
Water Content	≤ 3.0 %
pH (10% Solution)	4.0 - 7.0
Heavy Metals (as Pb)	≤ 10 ppm

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