China Eye Drop Grade Sodium Hyaluronate for Contact Lens Solution Product, Exporters

Sodium hyaluronate raw material of eye drop grade complies with ophthalmic preparation quality standards and can be widely used in contact lens care solutions, artificial tears, and various eye lubrication products. Through strict control of microbial limits, endotoxins, and impurity levels, it ensures high safety and good compatibility when in direct contact with the ocular surface and contact lens materials.

Product Description

Product Specification

Product Name Sodium Hyaluronate
Chemical Formula (C14H20NNaO11)n
Chemical Structure Chemical Structure
CAS No. 9067-32-7
Appearance White, fine powder
Assay ≥99.5%
Solubility Soluble in water
Heavy metals ≤10ppm
Protein ≤0.1%
Bacterial endotoxins ≤0.5IU/mg
Source Microbial fermentation

Key Benefits

1

Ophthalmic-Grade High Safety Standards

Produced using pharmaceutical-grade processes with strict control over endotoxins, heavy metals, and microbial limits, meeting the requirements for direct ophthalmic use.

2

Excellent Moisturizing and Lubricating

With strong hydrophilicity, sodium hyaluronate forms a moisturizing film on the ocular surface and contact lenses, reducing dryness and friction.

3

Good Biocompatibility

Highly similar to natural tear components, sodium hyaluronate is gentle and non-irritating to ocular tissues, making it suitable for sensitive eyes.

4

Superior Film-Forming & Lubrication

Forms a stable lubricating layer on the lens surface, effectively alleviating discomfort and dryness associated with contact lens wear.

5

Good Formulation Compatibility

Compatible with a wide range of common ophthalmic excipients (e.g., electrolytes, buffer systems, preservative systems), making it suitable for various dosage form developments.

Mechanism of Action

1

Forms a Stable Hydrated Protective Layer

Sodium hyaluronate molecules bind strongly with water molecules, rapidly forming a uniform hydration film on the ocular surface and contact lenses. This hydrated layer effectively maintains a local moist environment, reducing dryness and water loss.

2

Enhances Tear Film Stability

By increasing the viscoelasticity and water-holding capacity of tears, sodium hyaluronate delays tear film breakup time and promotes more even tear distribution across the corneal surface, thereby enhancing overall tear film stability.

3

Reduces Friction and Mechanical Irritation

During blinking, sodium hyaluronate creates a lubricating interface between the contact lens and the cornea, reducing frictional resistance and alleviating foreign body sensation, dryness, and mild irritation caused by mechanical friction.

4

Delays Tear Evaporation

The high-molecular-weight structure of sodium hyaluronate provides excellent water-locking capability, slowing down tear evaporation, extending the duration of ocular surface hydration, and enhancing sustained comfort.

5

Improves Contact Lens Wearing Experience

By optimizing lens surface lubrication and biocompatibility, sodium hyaluronate helps reduce dryness and discomfort during lens wear, improving tolerance and comfort for long-term wear.

Application Areas

Contact Lens Solutions
Artificial Tears & Lubricating Eye Drops
Eye Soothing Sprays / Gels
Ophthalmic Care Formulations
Eye Fatigue Relief Products

Frequently Asked Questions

What is the source of this Sodium Hyaluronate?

This Sodium Hyaluronate is produced through microbial fermentation, which ensures high purity, consistent quality, and excellent safety profiles for sensitive applications.

Is this product safe for direct ophthalmic use?

Yes. It is manufactured under ophthalmic-grade high safety standards. We strictly control endotoxins (≤0.5IU/mg), heavy metals, and protein content, making it highly biocompatible and safe for direct ocular use.

How does Sodium Hyaluronate improve contact lens comfort?

It forms a stable hydrated protective film on the contact lens surface, which reduces friction between the lens and cornea during blinking. This helps alleviate dryness, mechanical irritation, and foreign body sensations.

Can this Sodium Hyaluronate be used in eye drop formulations with other excipients?

Yes, it features excellent formulation compatibility. It integrates smoothly with common ophthalmic ingredients, including standard buffer systems, electrolytes, and preservatives.

How does the molecular structure prolong moisturizing duration?

The product possesses strong water-binding properties. It locks in moisture and slows down tear evaporation, which stabilizes the tear film and extends overall hydration comfort on the eye surface.

Related Products