China Factory Direct
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| CAS number | 113170-55-1 |
| Product name | Magnesium ascorbyl phosphate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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) |
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 |
|---|---|---|
| Cosmetics | Skin-brightening and spot-fading additive | Added to creams, lotions, and serums as a tyrosinase inhibitor to suppress melanin synthesis and reduce existing melanin, for formulating skin-brightening, spot-fading, and complexion-evening skincare products. |
| Cosmetics | Antioxidant and anti-aging agent | Incorporated into anti-aging skincare formulations to scavenge free radicals, prevent lipid peroxidation in skin, delay photoaging, and enhance skin elasticity. |
| Cosmetics | Sunscreen synergist | Added to sunscreen products to repair ultraviolet (UV)-induced skin damage, improve skin resistance to UV radiation, and support overall sun protection efficacy. |
| Pharmaceuticals | Active pharmaceutical ingredient (API) | Formulated as a vitamin C derivative into tablets, granules, or topical ointments for treating vitamin C deficiency disorders or as an adjunctive therapy for dermatological conditions (e.g., wound healing, pigmentary disorder management). |
| Food | Nutritional fortificant | Added as a water-soluble nutritional fortificant to beverages, dairy products, cereal-based foods, and dietary supplements to deliver bioavailable vitamin C, addressing the instability and oxidation susceptibility of native ascorbic acid. |
| Animal Feed | Feed additive | Blended into feed formulations for livestock, poultry, and aquaculture species as a vitamin supplement to enhance immune function, improve stress resistance, and optimize meat color and stability. |
| Household & Personal Care | Oral care ingredient | Incorporated into toothpastes and mouthwashes to leverage its antioxidant properties for mitigating gingival inflammation and supporting overall oral health. |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Potency) | HPLC-UV | Quantification by reverse-phase HPLC with UV detection at 245 nm, using external standard calibration. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC with UV detection and area normalization. |
| Loss on Drying | Gravimetric (105 C oven drying) | Mass loss measured after drying sample at 105 C to constant weight. |
| Residue on Ignition | Gravimetric (sulfated ash) | Residue mass determined after charring and incineration at 600-800 C. |
| Heavy Metals (Pb, Cd, As, Hg) | ICP-MS | Multi-element quantification by inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride | Argentometric Titration | Titration with standardized silver nitrate solution using potassium chromate indicator. |
| Sulfate | Barium Sulfate Gravimetric | Precipitation as BaSO4 followed by ignition and weighing of the residue. |
| pH (1% aqueous solution) | pH Meter | Measurement of hydrogen ion activity in a 1% w/v aqueous solution at 25 C. |
| Water Content | Karl Fischer Titration | Coulometric or volumetric titration based on iodine consumption in pyridine-methanol medium. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic mesophilic bacteria and detection of specified pathogens per pharmacopeial methods. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered light intensity to determine volume-based particle size distribution. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light at 20 C using sodium D-line (589 nm). |
| Test Item | Specification |
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| Appearance | White powder |
| Purity | ≥99.0% |
| Loss on drying | ≤0.4% |
| Acid insolubles | ≤0.1% |
| Density | 0.5~0.8g/ml |
| Particle size | 99% pass 80 mesh |
| Heavy metals | ≤10 ppm |
| Pb | ≤2 ppm |
| As | ≤2 ppm |
| Cd | ND |
| Total microbaceerial count | ≤1000 cfu/g |
| Yeast&Mold | ≤100 cfu/g |
| Salmonella | ND |
| E.Coli | ND |
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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.