Description

Dl-A-Hydroxystearic Acid CAS NO 629-22-1 is a versatile hydroxy fatty acid derivative, serving as a key intermediate in the synthesis of specialized chemicals. Its bifunctional nature, featuring both a carboxylic acid and a hydroxyl group, makes it valuable for creating polymers, lubricants, and surface-active agents. This compound is essential for manufacturers in the cosmetics, plastics, and specialty chemical industries seeking to develop high-performance formulations.

Application

• Cosmetic and Personal Care Ingredients: Used as a co-emulsifier, thickener, and opacifying agent in creams, lotions, and makeup products.
• Polymer and Resin Modification: Acts as a monomer or modifier in the production of alkyd resins, polyesters, and polyurethanes to enhance flexibility and adhesion.
• Lubricant and Grease Additives: Employed in the formulation of synthetic lubricants and metalworking fluids for its friction-reducing and anti-wear properties.
• Surfactant and Detergent Intermediate: Serves as a raw material for manufacturing non-ionic surfactants and soaps with specific solubility profiles.
• Pharmaceutical Intermediates: Utilized in the synthesis of certain active pharmaceutical ingredients (APIs) and excipients.
• Textile and Leather Auxiliaries: Functions as a softening agent and water repellent in textile and leather processing.

Basic Information

Product Name	Dl-A-Hydroxystearic Acid
CAS No.	629-22-1
Molecular Formula	C₁₈H₃₆O₃
Molecular Weight	300.48 g/mol
Synonyms	DL-α-Hydroxystearic Acid; (±)-2-Hydroxyoctadecanoic Acid; 2-Hydroxystearic Acid; Hydroxystearic Acid; α-Hydroxystearic Acid; Racemic 2-Hydroxystearic Acid; Octadecanoic acid, 2-hydroxy-; Hydroxybehenic Acid (related)
EINECS	211-079-8

Quality Control

Our Dl-A-Hydroxystearic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to guarantee consistency and compliance with your 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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	85 - 95 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 10 ppm

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