Description

Leather Protein CAS NO 141443-09-6 is a specialized protein hydrolysate derived from collagenous sources, engineered for high-performance applications in material science and specialty chemicals. This product is valued for its unique ability to modify and enhance the physical properties of materials, offering a sustainable and functional bio-based alternative. It is essential for manufacturers in the leather finishing, specialty coatings, and advanced polymer industries seeking to improve product durability, texture, and performance.

Application

• Leather Finishing & Retanning: Acts as a high-quality filling and softening agent to improve leather grain tightness, fullness, and dye uniformity.
• Specialty Polymer Additive: Incorporated into polymer matrices as a bio-based modifier to enhance flexibility, tensile strength, and surface characteristics.
• Advanced Coatings & Adhesives: Used as a functional additive to improve the adhesion, film-forming properties, and elasticity of industrial coatings and adhesives.
• Cosmetic & Personal Care Formulations: Serves as a conditioning and film-forming agent in hair care and skincare products for its moisturizing and protective properties.
• Textile & Fiber Treatment: Applied as a finishing agent to impart softness, luster, and improved handle to natural and synthetic fabrics.
• Biomedical & Nutraceutical Research: Utilized in research settings for its collagen-derived peptides in studies related to tissue scaffolds and functional ingredients.

Basic Information

Product Name	Leather Protein
CAS No.	141443-09-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Hydrolyzed Leather Protein; Collagen Hydrolysate (Leather Source); Leather Protein Hydrolysate; Leather-Derived Polypeptides; Treated Leather Protein; CAS 141443-09-6; Protein, leather hydrolysate
EINECS	Contact for details

Quality Control

Our Leather Protein is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent composition, purity, and performance. We provide full traceability and Certificates of Analysis (COA) are available upon request to verify compliance with your specific requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Light yellow to tan powder
Identification (IR)	Conforms
Protein Content (Dry Basis)	≥ 90.0 %
Moisture Content	≤ 8.0 %
Ash Content	≤ 5.0 %
pH (10% Solution)	5.0 - 7.0
Heavy Metals (as Pb)	≤ 20 ppm

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