China Factory Direct
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| CAS number | 10257-28-0 |
| Product name | D-(+)-GALACTOSE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeFood GradeCosmetic 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing antiviral agents, antibiotics, and glycoside-based drugs | Used as a chiral starting material in multistep organic synthesis to construct glycosyl structures |
| Food | Flavor enhancer and precursor for sweeteners | Converted into functional oligosaccharides or sugar derivatives via enzymatic or chemical modification |
| Cosmetics | Humectant and skin-conditioning agent | Directly incorporated into cosmetic formulations or used after modification (e.g., acetylation) |
| Biotechnology | Substrate for enzymatic reactions and carbon source for cell culture | Applied in glycosyltransferase studies and as a component of microbial fermentation media |
| Materials Science | Monomer for biodegradable polymers | Copolymerized with diacids to produce polyester-based biodegradable materials |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration with Phenolphthalein | Neutralization of residual acid or base after controlled hydrolysis; endpoint detected by color change. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light caused by chiral D-glucose in solution at specified concentration and wavelength. |
| Water Content | Karl Fischer Titration | Electrochemical titration based on iodine-sulfur dioxide reaction; quantifies water via stoichiometric consumption of reagent. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to volatilize organic matter; residue weight reflects inorganic impurities. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) | Quantification of metal ions (e.g., Pb, Cd, Hg) by absorption of element-specific UV-Vis radiation in atomized sample. |
| Chloride | Potentiometric Titration with Silver Nitrate | Titration using AgNO3; endpoint detected by potential jump from AgCl precipitate formation. |
| Sulfate | Barium Sulfate Gravimetric Method | Precipitation as BaSO4 under acidic conditions; dried and weighed to determine sulfate content. |
| Related Substances | High Performance Liquid Chromatography (HPLC) | Separation on reversed-phase column with UV detection; comparison of retention times and peak areas against reference standards. |
| Microbial Limits | Membrane Filtration and Plate Count | Filtration of sample solution followed by incubation on selective agar media; colony enumeration per pharmacopeial limits. |
| pH of Solution | Potentiometric pH Measurement | Determination using calibrated glass electrode in aqueous solution (10 mg/mL) at 25 C. |
| Appearance | Visual Inspection | Assessment of crystalline form, color, and absence of visible particulates or discoloration against standard white background. |
| Melting Point | Capillary Melting Point Apparatus | Heating crystalline sample in capillary tube; recording temperature range at which solid transitions to liquid. |
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 146-150°C |
| Optical Rotation | +52.5° to +53.5° (c=10, H2O) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.