Introduction

Ascorbic Acid CAS:50-81-7 is a white or near-white crystalline powder, highly soluble in water, acting as a stable natural antioxidant that resists oxidation and maintains consistent performance.

Product Information

CAS	50-81-7
EINECS	200-066-2
Appearance	White crystalline or crystalline powder, odorless, sour taste
Packaging	25kg cardboard cartons /drums lined with two layers of plastic bags. 25KG CARTON, 22-23MT/FCL, 18MT/FCL With pallet 25KG BAG, 23MT

COA

Analysis Contents	Analysis Standard	Analysis Results
Characteristics	White or almost White crystals Crystalline Powder	Pass
Identification	Positive Reaction	Positive
Melting Point	About 190°C	190.4°C
pH(with 2% water solution)	2.4-2.8	2.42
pH(with 5% water solution)	2.1-2.6	2.21
Clarity Of Solution	Clear	Clear
Colour Of Solution	≤BY7	Pass
Copper	≤5ppm	<5ppm
Heavy Metals	≤10ppm	<10ppm
Mercury	≤0.1mg/kg	<0.1mg/kg
Lead	≤2mg/kg	<2mg/kg
Arsenic	≤3ppm	<3ppm
Oxalic Acid	≤0.2%	<0.2%
Iron	≤2ppm	<2ppm
Cadmium(Cd)	<1mg/kg	<1mg/kg
Impurity E	≤0.2%	<0.2%
Loss on Drying	≤0.4%	<0.4%
Sulphate Ash(Residue On Ignition)	≤0.1%	<0.1%
Specific Optical Rotation	+20.5° - +21.5°	+21.26°
Residual Solvents	Pass	Pass
Assay	99.0%-100.5%	99.87%

Key Features

Heat Resistant
Stable up to 50°C without degradation during processing.
Fast Dissolving
Fully disperses in water within 30 seconds for efficient use.
Blend Compatible
Mixes evenly with other powders without separation or clumping.

Customization Services

Adjustable Purity：Purity levels tailored to meet specific processing or formulation needs.
Custom Particle Size：Fine, medium, or coarse powders available for precise handling and dissolution.
Batch Volume Options：Small to large production runs available to match order scale.
Client Documentation：COA, MSDS, and other certificates provided per customer request.

Application

Beverages: Maintains freshness and prevents oxidation in juices and drinks.
Food Processing: Prevents browning and lipid oxidation in packaged foods.
Nutritional Products: Supports supplements and health formulations.
Pharmaceuticals: Used in tablets and oral solutions to maintain stability.
Animal Feed: Enhances growth, immunity, and stress resistance in livestock and aquaculture.
Laboratory Reagents: Serves as a reducing agent for analytical chemistry.

Certifications

Ascorbic Acid CAS:50-81-7 is fully certified with ISO 9001, REACH, HALAL, KOSHER, GMP, and FAMI-QS, ensuring global compliance and consistent quality.

Packaging & Logistics

Standard Packaging: 25 kg drums or cartons with double plastic liner.
Container Load: 22–23 tons per 20-ft container (with pallets 18 tons).
Transport: Flexible options including sea, air, rail, or express delivery.
Delivery: Stock products shipped within 7 days; custom orders within 10–15 days.

FAQ

Q: What is the physical form of the product?

A: It is a white or near-white crystalline powder, free-flowing with low moisture content (≤0.5%).

Q: Does it have any odor or taste?

A: It has a neutral odor and no noticeable taste, minimizing interference with other ingredients.

Q: How do you ensure batch consistency?

A: Each batch is tested in our in-house lab for purity, moisture, and physical properties before shipment.

Q: Does heat or light affect the product?

A: Exposure to high heat or direct sunlight can degrade the compound; recommended storage is dry, <25°C, away from light.

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