L-(-)-SORBOSE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 87-79-6 |
| Product name | L-(-)-SORBOSE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 L-(-)-SORBOSE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-(-)-SORBOSE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-(-)-SORBOSE
| Industry | Applications | Process |
|---|---|---|
| Food Industry | Sweetener, nutritional fortificant, antioxidant synergist | Directly incorporated into beverages, dairy products, confectionery, and other foods; commonly serves as a key precursor intermediate in L-ascorbic acid synthesis |
| Pharmaceutical Industry | Critical intermediate in L-ascorbic acid (vitamin C) synthesis | Converted to 2-keto-L-gulonic acid via microbial fermentation (e.g., acetic acid bacteria oxidation of L-sorbose) or chemical oxidation, followed by lactonization and enolization to yield vitamin C |
| Cosmetics Industry | Skin-conditioning agent, antioxidant ingredient | Incorporated into serums, creams, and similar formulations to leverage its reducing properties for free-radical scavenging and stabilization of other active ingredients |
| Biotechnology Research | Component of microbial growth media, substrate for metabolic pathway studies | Used for screening microbial strains capable of sorbose metabolism, or as a carbon source and inducer for yeasts, acetic acid bacteria, and other microorganisms |
Manufacturing Quality Control of L-(-)-SORBOSE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with Refractive Index Detection | Quantifies L-sorbose concentration by separation on a carbohydrate-specific column and RI detection relative to a certified reference standard. |
| Specific Optical Rotation | Polarimetry | Measures the angle of rotation of plane-polarized light induced by chiral L-sorbose in solution at specified concentration, temperature, and wavelength. |
| Loss on Drying | Gravimetric (Thermogravimetric) | Determines volatile content by measuring mass loss after drying under controlled temperature and vacuum or airflow. |
| Residue on Ignition | Sulfated Ash (Gravimetric) | Measures inorganic impurities as sulfate ash after high-temperature combustion of sample with sulfuric acid pretreatment. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Quantifies total heavy metals by atomic absorption spectroscopy after acid digestion and matrix-matched calibration. |
| Chloride | Potentiometric Titration with AgNO3 | Determines chloride ion concentration via argentometric titration using silver nitrate and a silver indicator electrode. |
| Sulfate | Barium Sulfate Gravimetric Method | Precipitates sulfate as BaSO4 under controlled pH and temperature, followed by filtration, drying, and weighing. |
| Related Substances | HPLC with UV Detection | Separates and quantifies structurally related impurities (e.g., sorbitol, fructose, glucose) using reversed-phase or HILIC columns and UV detection at 210 nm. |
| Water Content | Karl Fischer Coulometric Titration | Determines trace water content by electrochemical generation of iodine and stoichiometric reaction with water in anhydrous methanol-based reagent. |
| Microbial Limits | Membrane Filtration + Plate Count | Assesses aerobic microbial contamination by filtering sample, transferring membrane to nutrient agar, and enumerating colony-forming units after incubation. |
| pH (10% w/v aqueous solution) | Potentiometric pH Measurement | Measures hydrogen ion activity in a standardized aqueous suspension using calibrated glass electrode and pH meter. |
| Iron (Fe) | ICP-OES | Quantifies iron content by plasma excitation of digested sample and detection of characteristic emission lines at defined wavelengths. |
Technical Specifications of L-(-)-SORBOSE
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Optical Rotation | -44.0 to -42.0 deg (c=10, H2O) |
| Melting Point | 142 to 146 °C |
| Total Impurities | <=2.0% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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 L-(-)-SORBOSE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of L-(-)-SORBOSE
Packaging of L-(-)-SORBOSE
Industrial L-(-)-SORBOSE 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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