D(+)-Galactosamine hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1772-03-8 |
| Product name | D(+)-Galactosamine hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 D(+)-Galactosamine hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk D(+)-Galactosamine hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of D(+)-Galactosamine hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antibiotics | Chemical synthesis |
| Biotechnology | Used in glycobiology research | Purification and labeling |
| Pharmaceutical R&D | Building block for glycosidic ligands | Organic synthesis |
| Food additives | Development of functional food ingredients | Chemical modification |
| Analytical chemistry | Reference standard or control substance | Analytical testing |
Manufacturing Quality Control of D(+)-Galactosamine hydrochloride
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance and Physical Characteristics | Visual Inspection, Physical Property Determination | Observe sample color and state (should be white or off-white crystalline powder), check for caking, foreign particles, etc.; determine melting point range (literature value approximately 180–185°C with decomposition) to assess purity. |
| Identification | Infrared Spectroscopy (IR), Nuclear Magnetic Resonance Spectroscopy (¹H-NMR, ¹³C-NMR) | IR: Compare characteristic functional group absorption peaks (e.g., NH₂, C=O, C–O–C) with reference spectra; NMR: Confirm molecular structure by characteristic chemical shifts in proton and carbon spectra (e.g., H-1, H-2, C-2), verifying the compound is the target substance. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a C18 column with water-acetonitrile or buffer (e.g., phosphate buffer) as mobile phase, detect with UV detector at 200–210 nm, calculate active ingredient content using external standard method. Typically requires ≥98.0%. |
| Related Substances | High-Performance Liquid Chromatography (HPLC-UV/MS) | Use gradient elution HPLC to separate impurities, detect and quantify potential degradation products (e.g., deaminated products, dimers, unreacted starting materials). Total impurity level is typically controlled at ≤1.0%. LC-MS may be used to identify impurity structures. |
| Water Content | Karl Fischer Titration | Quantitatively determine residual moisture using iodine-sulfur dioxide-pyridine-methanol system. Water content should be controlled within ≤2.0% to prevent hydrolysis or moisture absorption affecting stability. |
| Chloride Content | Ion Chromatography (IC) or Precipitation Titration | Determine chloride ion concentration via ion chromatography, or use silver nitrate titration (Mohr or Volhard method) to measure chloride content in hydrochloride salt. Calculate deviation from theoretical value (theoretical Cl⁻ content ~24.5%) to ensure correct hydrochloride stoichiometry. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Digest sample under acidic conditions according to pharmacopoeial methods (e.g., USP/EP), then measure residual levels of heavy metals such as lead, cadmium, mercury, and arsenic. Must comply with specified limits (e.g., Pb ≤ 2 ppm). |
| pH Value | pH Meter Measurement | Prepare a 1% aqueous solution of the sample and measure its pH. Typically should be within the range of 4.0–6.0, reflecting the acidic nature of the hydrochloride salt and indicating absence of alkaline contaminants. |
| Microbial Limits | Plate Count Method (Total Aerobic Microbial Count, Molds and Yeasts, Test for Specified Microorganisms) | According to microbial limit requirements in the Chinese Pharmacopoeia or USP, test non-sterile raw material for bacteria, molds, yeasts, and specified organisms such as *Escherichia coli*. Results must meet acceptance criteria (e.g., total aerobic microbial count ≤10³ CFU/g). |
| Solubility | Qualitative Solubility Test | Observe dissolution behavior in solvents such as water, ethanol, and acetone. 2-Amino-2-deoxy-D-galactose hydrochloride is freely soluble in water, slightly soluble in ethanol, and insoluble in acetone and other organic solvents—used for identification support and process control. |
Technical Specifications of D(+)-Galactosamine hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 178-182°C |
| Optical Rotation | +94.0 to +98.0° (c=1, H2O) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 D(+)-Galactosamine hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of D(+)-Galactosamine hydrochloride
Safety Information of D(+)-Galactosamine hydrochloride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of D(+)-Galactosamine hydrochloride
Industrial D(+)-Galactosamine hydrochloride 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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