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Hydroxypropyl Chitosan

CAS NO.: 104673-29-2
Hydroxypropyl chitosan is one of the derivatives of chitosan. The introduction of hydroxypropyl groups makes chitosan more water-soluble. Hydroxypropyl chitosan is widely used in drug sustained-release systems and tissue engineering scaffolds due to its good biocompatibility and biodegradability, also in cosmetics, environmental protection etc..
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Quick Details

Name

Hydroxypropyl Chitosan

CAS NO.

104673-29-2

Molecular Formula

(C6H11NO4)m(C3H6O)n

Appearance

White to light brown powder

Classification

Pharma Grade


Molecular Structuer


Product Introduction

Hydroxypropyl chitosan is a derivative modified from chitosan, which retains the alkalinity and positive charge of chitosan and improves its performance by introducing hydroxypropyl groups. This modification makes hydroxypropyl chitosan have good moisturizing, antibacterial, adsorbent, cross-linking, biocompatibility and degradability, and is widely used in cosmetics, medicine, water quality and environmental protection and other fields.


Product Efficacy & Application

● Enhanced water solubility and moisturizing properties:

By introducing hydroxypropyl groups, the water solubility of HPCS is significantly improved. At the same time, hydrophilic groups such as hydroxyl and amino groups in its macromolecular structure enhance its moisture absorption and moisturizing capabilities.

● Antibacterial properties: 

Retaining the natural antibacterial properties of chitosan, HPCS can inhibit the growth of a variety of bacteria, which makes it valuable for use in wound dressings, antibacterial textiles and daily chemicals.

● Antioxidant:

HPCS contains active amino and hydroxyl groups, which have a strong ability to scavenge free radicals and help protect cells from oxidative damage. This is particularly important in skin care products, which can improve skin condition and prevent aging.

● Sustained and controlled drug release:

The special chemical structure of HPCS enables it to control the drug release rate and is suitable for the development of long-acting or targeted drug delivery systems to improve drug treatment efficiency.

● Biocompatibility and safety:

Due to its biocompatibility, HPCS shows good safety and reduces rejection reactions when used as a drug carrier, tissue engineering material or wound healing auxiliary material in the medical field.


Product Specification

Test standard

Enterprise Standard

ITEMS

Criteria

Appearance

White to light brown powder.

Clarity of solution

Solution clarification.

pH

6.0~9.0

Propylene glycol

≤0.5%

Propylene oxide

≤0.001%

Kinematic viscosity

1.10~3.90 mm²/s

Nitrogen content

1.0~6.5%

Loss on drying

≤15.0%

Residue on ignition

≤0.5%

Heavy metal ppm

≤10

Packaging and storage

Keep out of light and tightly sealed


Packing & Storage

● Internal packing: packed with PE bag+aluminum foil bag.

● Outer packing: packed in drum.

● Storage: keep out of light and tightly sealed.

● Label: regular labels or customized.

● Packing: 10g/bag, 50g/bag, 100g/bag, 1kg/bag, 10kg/bag/drum

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