L(+)-Gulonic acid gamma-lactone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1128-23-0 |
| Product name | L(+)-Gulonic acid gamma-lactone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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(+)-Gulonic acid gamma-lactone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L(+)-Gulonic acid gamma-lactone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L(+)-Gulonic acid gamma-lactone
| Industry | Application | Process |
|---|---|---|
| Food Industry | Used as a food additive for acidulation and antioxidant functions | Produced via fermentation or chemical synthesis and incorporated into beverages, confectionery, and other food products |
| Pharmaceutical Industry | Used as a pharmaceutical intermediate in the synthesis of vitamin C and other compounds | Employed as a key raw material in synthetic pathways via biotransformation or chemical modification |
| Cosmetics Industry | Used as an antioxidant and pH adjuster in skin care products | Purified and incorporated into cosmetic formulations such as emulsions and serums |
| Research & Laboratories | Used as a biochemical reagent for studying antioxidant mechanisms or enzyme reactions | Prepared using standard reagent manufacturing processes for in vitro experiments or analytical testing |
Manufacturing Quality Control of L(+)-Gulonic acid gamma-lactone
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies L-gulonic acid gamma-lactone by hydrolysis to L-gulonic acid followed by titration with standardized NaOH. |
| Loss on Drying | Gravimetric Method | Measures weight loss after drying at 105 C under vacuum to determine volatile content and moisture. |
| Residue on Ignition | Gravimetric Method | Determines inorganic ash content by high-temperature incineration and weighing of residual residue. |
| Heavy Metals | AAS (Atomic Absorption Spectroscopy) | Quantifies Pb, Cd, Hg, As, and other heavy metals using flame or graphite furnace AAS after acid digestion. |
| Chloride | Potentiometric Titration | Measures chloride ion concentration via titration with silver nitrate using a silver indicator electrode. |
| Sulfate | Barium Sulfate Gravimetric Method | Precipitates sulfate as BaSO4 and determines content by weighing the dried precipitate. |
| Specific Optical Rotation | Polarimetry | Measures the angle of rotation of plane-polarized light to confirm identity and enantiomeric purity. |
| Related Substances | HPLC-UV | Separates and quantifies impurities and degradation products using reversed-phase HPLC with UV detection at 210 nm. |
| Water Content | Karl Fischer Titration | Determines trace water content by coulometric or volumetric titration with iodine-based reagent. |
| pH of Solution | Potentiometric Measurement | Measures hydrogen ion activity in aqueous solution using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analyzes size distribution of solid particles in suspension using light scattering patterns. |
| Microbial Limits | Membrane Filtration | Quantifies aerobic microorganisms and detects specified pathogens using culture-based membrane filtration and incubation. |
Technical Specifications of L(+)-Gulonic acid gamma-lactone
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 127–131°C |
| Optical Rotation | +55 to +57° (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 L(+)-Gulonic acid gamma-lactone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of L(+)-Gulonic acid gamma-lactone
Safety Information of L(+)-Gulonic acid gamma-lactone
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of L(+)-Gulonic acid gamma-lactone
Industrial L(+)-Gulonic acid gamma-lactone 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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