Ascorbyl Tetraisopalmitate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 183476-82-6 |
| Product name | Ascorbyl Tetraisopalmitate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood GradeCosmetic Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Ascorbyl Tetraisopalmitate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ascorbyl Tetraisopalmitate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ascorbyl Tetraisopalmitate
| Industry | Application | Process |
|---|---|---|
| Cosmetics | Antioxidant, skin-brightening agent, anti-aging agent | Formulated into skincare products such as creams, serums, and lotions to inhibit free radicals and reduce melanin synthesis |
| Cosmetics | Skin-conditioning agent | Applied to improve skin texture and enhance barrier function; incorporated as an active ingredient in skincare formulations |
| Food | Antioxidant (limited application) | Used in oil-based food products and dietary supplements to prevent oxidative degradation; application scope is restricted and subject to relevant regulatory requirements |
| Pharmaceuticals | Supportive antioxidant component | Employed as a stabilizer or synergistic active ingredient in topical pharmaceuticals and nutritional preparations to improve product stability and bioavailability |
Manufacturing Quality Control of Ascorbyl Tetraisopalmitate
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance and Physical Properties | Visual Inspection, Microscopic Observation | Observe the sample's color (typically pale yellow to yellow oily liquid), clarity, and presence of impurities or phase separation. |
| Identification Test | Fourier Transform Infrared Spectroscopy (FT-IR), Thin Layer Chromatography (TLC) | Confirm structural identity by comparing infrared characteristic absorption peaks with standard spectra, or by comparing Rf values of TLC spots with reference standards. |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Use a C18 reversed-phase column with a mobile phase system of methanol/acetonitrile-water, and quantify the main component using a UV detector (e.g., 245 nm). |
| Acid Value | Titration Method (GB/T 5530 or similar standard) | Determine free fatty acid content by titrating with potassium hydroxide in ethanol solution; calculate the mg of KOH consumed per gram of sample to assess degree of hydrolysis. |
| Peroxide Value | Iodometric Method (GB/T 5538 or AOCS Cd 8-53) | Measure early oxidation products (peroxides) in oils, reflecting antioxidant stability and suitability of storage conditions. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Detect harmful element residues such as lead, arsenic, mercury, and cadmium to ensure compliance with safety limits for cosmetics or food additives. |
| Moisture Content | Karl Fischer Titration | Accurately determine trace moisture using either volumetric or coulometric methods, preventing hydrolysis or microbial growth due to water. |
| Solvent Residue | Gas Chromatography (GC-FID or GC-MS) | Detect residual organic solvents (e.g., hexane, ethyl acetate) from synthesis or purification processes, ensuring compliance with ICH specifications. |
| Microbial Limits | Pharmacopoeial Microbial Testing Methods (e.g., USP <61>/<62>) | Test for total aerobic bacteria count, mold and yeast, Escherichia coli, Staphylococcus aureus, etc., applicable for cosmetic raw material use. |
| Thermal Stability / Accelerated Stability Testing | High-Temperature Storage + HPLC Monitoring | Store samples at 40–60°C and periodically sample for HPLC analysis to monitor degradation rate of the main component, assessing shelf-life stability. |
Technical Specifications of Ascorbyl Tetraisopalmitate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow liquid |
| Odor | A faint characteristic odor |
| Color (APHA) | ≤100 |
| Desity (20°C,g/cm3) | 0.930 ~ 0.943 |
| Refractive index (25°C) | 1.459 ~ 1.465 |
| Purity | ≥98.0% |
| Pb | ≤10 ppm |
| As | ≤2 ppm |
| Hg | ≤1 ppm |
| Cd | ≤5 ppm |
| Total bacterial (cfg/g) | ≤200 |
| Molds & yeast count (cfg/g) | ≤100 |
| Thermotolerant coliforms | Negative |
| Staphylococcus aureus | Negative |
| P. Aeruginosa | Negative |
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 Ascorbyl Tetraisopalmitate
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NMR Spectra of Ascorbyl Tetraisopalmitate
Packaging of Ascorbyl Tetraisopalmitate
Industrial Ascorbyl Tetraisopalmitate 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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