Magnesium Maleate, Dihydrate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 869-06-7 |
| Product name | Magnesium Maleate, Dihydrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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 Magnesium Maleate, Dihydrate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Magnesium Maleate, Dihydrate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Magnesium Maleate, Dihydrate
| Industry | Application | Process |
|---|---|---|
| Food | Acidity regulator, nutritional fortificant | Added to food for flavor enhancement or nutritional supplementation |
| Pharmaceuticals | Pharmaceutical excipient | Used as a filler in tablets or capsules |
| Cosmetics | pH adjuster | Applied to adjust the pH balance of cosmetic formulations |
| Animal feed | Mineral supplement | Added to animal feed to supply magnesium |
| Water treatment | Corrosion inhibitor | Applied in water treatment systems to prevent metal corrosion |
Manufacturing Quality Control of Magnesium Maleate, Dihydrate
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification Test | Infrared Spectroscopy (IR) | Determine the infrared absorption spectrum of the sample and compare it with standard spectra to confirm the presence of characteristic functional groups of magnesium malate (such as carboxylate, hydroxyl, etc.). |
| Flame Atomic Absorption Spectrometry (FAAS) or Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Determine the characteristic spectral lines of magnesium ions to confirm their presence. | |
| Content Determination | Complexometric Titration (EDTA Titration) | Utilize the principle that EDTA forms a stable complex with magnesium ions. In a buffer solution at pH ≈ 10, use Eriochrome Black T as an indicator and titrate with standard EDTA solution to calculate the magnesium content. |
| High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase chromatography column, measure the content of malic acid as the target component using external or internal standard methods, and calculate the purity of magnesium malate by combining the malic acid and magnesium content. | |
| pH Value | pH Meter Method | Determine the pH value of a magnesium malate aqueous solution of a certain concentration directly using a calibrated pH meter at a specified temperature to assess whether it meets the quality standard (usually neutral or slightly alkaline). |
| Dry Loss | Thermogravimetric Analysis (TGA) or Constant Pressure Drying Method | Dry the sample at 105°C until constant weight is achieved, and determine the percentage of mass lost to control the moisture and volatile substances content. |
| Residue on Ignition | High-Temperature Ashing Method | After carbonization, ignite the sample at 700–800°C, and determine the weight of residual inorganic substances (mainly magnesium oxide and other metal oxides) to evaluate the level of inorganic impurities. |
| Heavy Metals | Thioacetamide Method (Colorimetric Method) or ICP-MS | According to pharmacopoeia methods, detect total heavy metals or individual elements such as lead, arsenic, cadmium, and mercury through color development reactions or high-sensitivity instruments like ICP-MS. |
| Microbial Limit | Pour Plate Method, Membrane Filtration Method | Conduct aerobic bacterial count, mold and yeast count, and control organism tests (e.g., Escherichia coli, Salmonella) according to the Chinese Pharmacopoeia or relevant standards. |
| Solution Clarity and Color | Visual Turbidimetric/Colorimetric Method | Prepare the sample into a solution of specified concentration and compare it with standard turbidity or color solutions to determine if the solution is clear and free from abnormal color. |
Technical Specifications of Magnesium Maleate, Dihydrate
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | ≥99.0% |
| Loss on drying | ≤1.0% |
| pH | 8.0~11.0 |
| Pb | ≤1 ppm |
| As | ≤1 ppm |
| Cd | ≤1 ppm |
| Hg | ≤0.1 ppm |
| Total viable count | ≤1000 cfu/g |
| Yeast and Mould | ≤25 cfu/g |
| Coliform bacteria | ND |
| Escherichia Coli | ND |
| Salmonella | ND |
| Staphylococcus aureus | ND |
| Enterobacter sakazakii | ND |
| Shigella Castellani | ND |
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 Magnesium Maleate, Dihydrate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Magnesium Maleate, Dihydrate
Industrial Magnesium Maleate, Dihydrate 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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