Carboxymethyl chitosan Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 83512-85-0 |
| Product name | Carboxymethyl chitosan |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeFood GradeCosmetic 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 Carboxymethyl chitosan
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Carboxymethyl chitosan Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Carboxymethyl chitosan
| Industry | Applications | Processing |
|---|---|---|
| Pharmaceuticals | Drug sustained-release carrier, wound dressing, hemostatic material, tissue engineering scaffold | Carboxymethylated to enhance water solubility and biocompatibility; processed into dosage forms or films/gels by blending with active pharmaceutical ingredients |
| Cosmetics | Humectant, film-forming agent, antimicrobial component | Dissolved in the aqueous phase and incorporated into formulations to leverage its thickening and moisture-retention properties |
| Food Industry | Food preservative, thickener, antimicrobial packaging material | Applied as a coating or film directly onto food surfaces, or added directly as an ingredient |
| Water Treatment | Flocculant, heavy metal ion adsorbent | Dissolved and dosed into wastewater to remove contaminants via charge neutralization and bridging mechanisms |
| Agriculture | Seed coating, pesticide sustained-release carrier, soil conditioner | Mixed with other components to formulate seed coatings or gels, utilizing its film-forming and sustained-release properties |
| Textile Industry | Functional fabric finishing agent (antimicrobial, antistatic) | Applied to fabric surfaces via padding or coating, followed by drying and curing to form a functional layer |
Manufacturing Quality Control of Carboxymethyl chitosan
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Degree of Substitution (DS) | Acid-Base Titration | Quantifies carboxymethyl groups via back-titration of excess standardized NaOH after alkaline hydrolysis. |
| Viscosity | Capillary Viscometry | Measures flow time of polymer solution through calibrated capillary tube under gravity to calculate intrinsic viscosity. |
| Moisture Content | Karl Fischer Titration | Determines water content by coulometric or volumetric reaction between iodine and water in methanol/pyridine medium. |
| pH (1% w/v solution) | Potentiometric pH Measurement | Measures hydrogen ion activity using calibrated glass electrode in aqueous polymer solution. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Quantifies trace metals after acid digestion by measuring element-specific atomic emission intensities. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content by high-temperature incineration followed by weight measurement. |
| Protein Impurity | Lowry Assay | Estimates protein contamination based on copper-chelate formation and Folin-Ciocalteu reagent color development. |
| UV Absorbance at 280 nm | UV-Vis Spectrophotometry | Detects aromatic amino acid impurities (e.g., tyrosine, tryptophan) via absorbance at characteristic wavelength. |
| Sulfated Ash | Gravimetric Analysis | Measures sulfate-derived inorganic residue after sulfuric acid wet-ashing and ignition. |
| Microbial Limits | Membrane Filtration | Quantifies aerobic mesophilic bacteria and molds/yeasts by filtration, membrane transfer, and colony enumeration on agar media. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution by analyzing angular scattering pattern of laser beam passing through dispersed sample. |
| Loss on Drying | Thermogravimetric Analysis | Measures volatile loss (mainly water) by weight difference before and after controlled heating at 105 C. |
Technical Specifications of Carboxymethyl chitosan
| Test Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.8% |
| Solubility | Freely soluble in water; insoluble in ethanol and acetone |
| Odor | Characteristic, faintly sweet |
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 Carboxymethyl chitosan
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Carboxymethyl chitosan
Industrial Carboxymethyl chitosan 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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