L-Ascorbic Acid Powder
Vitamin C Powder (L-Ascorbic Acid)
Gensei supplies vitamin C powder as L-ascorbic acid for dietary supplements, fortified foods and beverage formulations. Its acidic profile and sensitivity to processing conditions make ingredient quality, formulation fit and finished-product stability important considerations during product development.
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Product Identity
Vitamin C as L-Ascorbic Acid Powder
For this product, vitamin C is supplied as ascorbic acid. The analytical standard identifies a white or almost white crystalline material and evaluates identity, solution properties, purity and selected contaminant limits before batch approval.
Technical Review
L-Ascorbic Acid Powder Specifications
The specification below organizes the principal identity, solution, purity and elemental requirements used to review this ascorbic acid ingredient. Batch results should be checked against the current Certificate of Analysis during qualification.
| Test Parameter | Reference Specification |
|---|---|
| Identity & Physical / Solution Properties | |
| Characteristics | White or almost white crystals / crystalline |
| Identification | Positive reaction |
| Melting Point | About 190°C |
| pH (2% water solution) | 2.4–2.8 |
| pH (5% water solution) | 2.1–2.6 |
| Clarity of Solution | Clear |
| Colour of Solution | ≤ BY7 |
| Specific Optical Rotation | +20.5° to +21.5° |
| Assay & Purity | |
| Assay | 99.0%–100.5% |
| Loss on Drying | ≤0.4% |
| Sulphated Ash / Residue on Ignition | ≤0.1% |
| Oxalic Acid | ≤0.2% |
| Impurity E | ≤0.2% |
| Residual Solvents | Pass |
| Selected Elemental Limits | |
| Copper | ≤5 ppm |
| Heavy Metals | ≤10 ppm |
| Iron | ≤2 ppm |
| Lead | ≤2 mg/kg |
| Arsenic | ≤3 ppm |
| Cadmium | ≤1 mg/kg |
| Mercury | ≤0.1 mg/kg |
Reference limits are based on the supplied product COA. Request the current specification and batch COA for purchasing and qualification decisions.
Formulation Considerations
Working with Vitamin C Powder in Finished Formulas
The analytical specification establishes ingredient quality limits; formulation suitability still depends on the finished product and process. These are practical points to review during development rather than additional claims about the raw material.
Acidity & Taste
Ascorbic acid contributes acidity. In drink mixes, gummies, chewables and beverages, the full acid and flavor system should be evaluated together rather than treating vitamin C addition as an isolated step.
Heat & Oxygen Exposure
Processing and storage conditions can influence vitamin C retention in a finished product. Validate the intended process and shelf-life conditions on the actual formulation.
Dry Blend Handling
For tablets, capsules and powdered products, assess blend behavior and downstream processing against the excipient system and equipment used in production.
Application Fit
Where L-Ascorbic Acid Powder Is Commonly Evaluated
Application requirements differ by dosage form and food system. The useful question is not simply whether vitamin C can be added, but what needs to be checked before the ingredient is approved for that formulation.
Capsules & Powder Supplements
Suitable for evaluation in single-ingredient and multi-ingredient dry formulas. Confirm the target serving level, blend uniformity and manufacturing process for the finished product.
Tablets & Chewables
Review powder behavior together with the excipient and compression system. Chewable products also require deliberate taste and acidity management.
Drink Mixes & Sachets
For dry beverage formats, evaluate dissolution, sensory balance and the conditions the product will encounter after preparation.
Gummies
Consider the complete acid system, flavor profile and processing sequence so vitamin C addition is compatible with the intended gummy formula.
Beverage Formulation
Review pH, oxygen exposure, processing conditions and expected shelf life when qualifying ascorbic acid for a beverage application.
Food Fortification
Confirm the intended addition level, processing conditions and destination-market requirements before approving the ingredient for a fortified food.
Sourcing Decision
What to Review When Sourcing Vitamin C Powder
Searches for the “best” vitamin C or ascorbic acid powder are ultimately comparison questions. For a B2B ingredient purchase, the more useful approach is to compare the material and supplier against your own qualification requirements.
Identity & Compendial Fit
Confirm that the ingredient form and applicable analytical standard match the requirements of your formulation and quality program.
Specification & Batch Evidence
Review the specification together with the batch COA instead of relying on a headline purity claim alone.
Application Requirements
Share the dosage form or food system early so technical questions can be assessed in the context of the actual finished product.
Commercial Requirements
Quantity, destination and documentation needs should be defined before quotation so the supply discussion reflects the real project.
Bulk Supply
Bulk Vitamin C for Manufacturing
For bulk vitamin C purchasing, qualification involves more than the ingredient name. Gensei can review the commercial request alongside the documentation and application information needed for your project.
Prepare a More Useful Sourcing Request
Provide the information that affects the quotation and qualification process. This keeps the supply discussion focused without repeating technical data already covered in the specification table.
- Required order quantity or expected purchasing range
- Delivery country or destination market
- Finished-product format and intended application
- Required quality, regulatory or documentation review
Request a Quote for L-Ascorbic Acid Powder
Tell us what you are making and what your purchasing team needs to evaluate. We can use those details to make the follow-up more relevant to your project.