Description

Starch, 2-Hydroxy-1,3-Propanediyl Ether is a chemically modified starch derivative, specifically an ether of starch with glycerol. This modification imparts valuable properties such as enhanced stability, solubility, and film-forming characteristics compared to native starch. It serves as a versatile functional ingredient and processing aid across multiple high-value industries. Key sectors that utilize this compound include pharmaceuticals, food technology, and advanced material science.

Application

• Pharmaceutical Excipient: Used as a binder, disintegrant, or film-coating agent in tablet and capsule formulations.
• Food Additive: Functions as a thickener, stabilizer, or texturizing agent in various processed food products.
• Cosmetic Ingredient: Employed in creams, lotions, and powders for its viscosity-modifying and skin-feel properties.
• Adhesive & Binder: Acts as a component in paper coatings, corrugated board adhesives, and other industrial binding applications.
• Material Science: Investigated for use in biodegradable films, encapsulation matrices, and controlled-release systems.
• Textile Sizing: Applied to yarns to reduce breakage and improve weaving efficiency.

Basic Information

Product Name	Starch, 2-Hydroxy-1,3-Propanediyl Ether
CAS No.	64615-77-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Hydroxypropyl Starch Ether; Starch Hydroxypropyl Ether; 2-Hydroxypropyl Starch; Hydroxypropylated Starch; Glycerol Starch Ether; Modified Starch (Hydroxypropyl); Starch Glycerol Ether; E1440 (Food Additive Code)
EINECS	Contact for details

Quality Control

Our Starch, 2-Hydroxy-1,3-Propanediyl Ether is manufactured under a rigorous quality management system. Production adheres to cGMP principles where applicable, ensuring batch-to-batch consistency and traceability. Quality parameters are verified against stringent in-house specifications, which may include tests for degree of substitution, purity, viscosity, and residual solvents. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing the specific test results for your lot.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled 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, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms
Assay (as Hydroxypropyl Starch Ether)	≥ 95.0%
Degree of Substitution (Molar)	0.05 - 0.20 (Typical)
Loss on Drying	≤ 15.0 %
Residue on Ignition (Ash)	≤ 1.0 %
pH (in aqueous solution)	5.0 - 8.0
Viscosity (Brookfield, 5% sol.)	Contact for details

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