(+)-5,6-O-Isopropylidene-L-ascorbic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 15042-01-0 |
| Product name | (+)-5,6-O-Isopropylidene-L-ascorbic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent GradeCosmetic GradeFood Grade |
| Packaging | 25KG/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 (+)-5,6-O-Isopropylidene-L-ascorbic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (+)-5,6-O-Isopropylidene-L-ascorbic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (+)-5,6-O-Isopropylidene-L-ascorbic acid
| Industry | Application | Process |
|---|---|---|
| Food Industry | Antioxidant; nutritional fortificant (vitamin C precursor) | Synthesis of food additives |
| Pharmaceutical Industry | Pharmaceutical intermediate (for synthesizing vitamin C derivatives or other active pharmaceutical ingredients) | Organic synthesis |
| Cosmetics Industry | Antioxidant ingredient (stabilizes vitamin C in skincare formulations) | Incorporation into formulations and stabilization treatment |
| Research Field | Biochemical reagent (used in enzymatic reactions or cell-based experimental studies) | Laboratory-scale synthesis and purification |
Manufacturing Quality Control of (+)-5,6-O-Isopropylidene-L-ascorbic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase chromatography with UV detection at 245 nm, comparing peak area to calibrated standard. |
| Related Substances | HPLC-UV | Separates and quantifies impurities using gradient elution and UV detection; identified by retention time matching and threshold limits. |
| Residual Solvents | GC-FID | Detects and quantifies volatile organic solvents (e.g., acetone, isopropanol) via headspace injection and flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines water by coulometric or volumetric titration using iodine-based reagent; based on stoichiometric reaction with water. |
| Heavy Metals | ICP-MS | Measures trace metal contaminants (Pb, Cd, Hg, As) after acid digestion using inductively coupled plasma mass spectrometry. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions using suppressed conductivity detection after aqueous extraction. |
| Sulfated Ash | Gravimetric Analysis | Measures inorganic residue after controlled combustion of sample with sulfuric acid, followed by high-temperature incineration and weighing. |
| Optical Rotation | Polarimetry | Measures specific rotation using sodium D-line light; confirms stereochemical integrity and enantiomeric purity. |
| pH of Solution | Potentiometric pH Measurement | Determines acidity/basicity of a defined aqueous suspension using calibrated glass electrode and reference electrode. |
| Particle Size Distribution | Laser Diffraction | Analyzes dry or dispersed powder to determine size distribution based on angular scattering intensity of laser light. |
| Microbial Limits | Membrane Filtration | Quantifies aerobic microorganisms and detects specified pathogens (e.g., E. coli, S. aureus) by filtration, culture, and colony enumeration. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range of solid-to-liquid transition using calibrated capillary tube method per pharmacopeial standards. |
Technical Specifications of (+)-5,6-O-Isopropylidene-L-ascorbic acid
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 128–132°C |
| Optical Rotation | +8.0 to +12.0° (c=1, in water) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 (+)-5,6-O-Isopropylidene-L-ascorbic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (+)-5,6-O-Isopropylidene-L-ascorbic acid
Safety Information of (+)-5,6-O-Isopropylidene-L-ascorbic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of (+)-5,6-O-Isopropylidene-L-ascorbic acid
Industrial (+)-5,6-O-Isopropylidene-L-ascorbic 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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