Alginic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9005-32-7 |
| Product name | Alginic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty GradeCosmetic GradeFood Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Alginic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Alginic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Alginic acid
| Industry | Application | Process |
|---|---|---|
| Food Industry | Thickener, stabilizer, gelling agent | Added to ice cream, yogurt, jelly, sauces, etc., forming gel structures via calcium ion crosslinking |
| Pharmaceutical Industry | Controlled-release drug carrier, tablet binder, wound dressing component | Processed into microcapsules or hydrogels for controlled drug release; used as disintegrant or binder in tablet compression; formulated into highly absorbent dressings to support wound healing |
| Textile Printing & Dyeing | Printing paste | Used as a thickening medium for reactive dye printing to enhance pattern definition and dye fixation |
| Medical Biomaterials | Tissue engineering scaffold, cell encapsulation material | Forms three-dimensional hydrogel networks via ionic crosslinking (e.g., with Ca²⁺) for 3D cell culture or artificial organ fabrication |
| Cosmetics | Emulsion stabilizer, film-forming agent | Added to facial masks and emulsions to provide moisturization and a smooth texture while enhancing product stability |
| Agriculture | Seed coating, soil conditioner | Coated onto seeds to improve germination rate and stress tolerance; enhances soil water retention and structure |
| Dentistry | Dental impression material | Reacted with calcium sulfate to rapidly form an elastic gel for dental impression taking |
Manufacturing Quality Control of Alginic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Alginic Acid Content) | Acid-Base Titration | Neutralization of carboxylic acid groups with standardized NaOH using phenolphthalein indicator. |
| Viscosity (1% w/v solution) | Rotational Viscometry | Measurement of resistance to flow under controlled shear rate at specified temperature and pH. |
| Moisture Content | Karl Fischer Titration | Quantitative determination of water by coulometric or volumetric reaction with iodine and sulfur dioxide. |
| Ash Content | Gravimetric Analysis | Ignition at 500-600 C followed by weighing of inorganic residue after complete combustion. |
| pH (1% w/v solution) | Potentiometric Measurement | Determination of hydrogen ion activity using calibrated glass electrode in aqueous suspension. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of metal ions based on absorption of specific wavelength light by ground-state atoms in flame. |
| Arsenic | Hydride Generation-AAS (HG-AAS) | Conversion of arsenic to volatile arsine gas, followed by atomic absorption detection. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample with sulfuric acid pretreatment to convert metals to stable sulfates before weighing. |
| Residue on Ignition | Gravimetric Analysis | Weight loss measurement after heating to 500-600 C; result expressed as % non-volatile residue. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate size distribution. |
| Microbial Limits | Membrane Filtration and Plate Count | Enumeration of aerobic microorganisms via filtration, membrane transfer, and colony growth on agar media. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Oven Drying | Weight loss measured after drying at 105 C for specified time under controlled atmosphere. |
Technical Specifications of Alginic acid
| Test Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=1.5% |
| Heavy Metals | <=20 ppm |
| Solubility | Freely soluble in water; insoluble in ethanol and chloroform |
| Odor | Characteristic, faintly marine |
| Color (APHA/Pt-Co) | <=100 |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Alginic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Alginic acid
Industrial Alginic acid Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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