| Customization: | Available |
|---|---|
| Powder: | Yes |
| Customized: | Customized |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
| Product Name | Ascorbic acid |
| CAS No. | 50-81-7 |
| Molecular Formula | C6H8O6 |
| Molecular Weight | 176.12 |
| Structural Formula |  |
| Quality Standard | BP2014/USP39/EP7/E300/FCC7 |
| Packing | 25 kg/carton |
| Shelf Life | 3 Years |
| Items | Specification |
| Characteristics | White or almost white,Crystalline powder or colourless crystals |
| Identification | Corresponds |
| Melting Point | 189°C ~ 193°C |
| PH (5%,W/V) | 2.1-2.6 |
| PH (2%,W/V) | 2.4-2.8 |
| Specific Optical Rotation | +20.5° ~ +21.5° |
| Apperance of Solution | Clarity: Clear; Colour: ≤BY7 |
| Heavy Metals | ≤10ppm |
| Copper | ≤5 ppm |
| Iron | ≤2 ppm |
| Mer cury | <1 ppm |
| Arsenic | ≤3 ppm |
| Cad mium | <1 ppm |
| Lead | <2 ppm |
| Loss of Drying | ≤0.4% |
| Sulphate Ash | ≤0.1% |
| Oxalic Acid (Impurity E) | ≤0.2% |
| Related substances | Impurity C: ≤0.15% Impurity D: ≤0.15% Unspecified impurities: ≤0.10% Total impurities: ≤0.20% |
| Residual solvents | Meets the requirements |
| Assay | 99.0%-100.5% |
It applies mainly to production of various medicines as clinically important material for supplementary cure practice in different sectors. Being food additives, it acts as superior and reliable agent in nutrition, antiseptic and flour processing aspects. It also helps enhance the immune system of animals as being served in feed additives.
Q1: What's your MOQ?
A:It depends on different products,we can accept sample order or provide free sample for your test.
Q2:How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q3: Is there a discount?
A:Different quantity has different discount.
Q4:How to start orders or make payments?
A:Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Bitcoin.
Q5: How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q6. We don't know you at all, how can we trust you?
A: You are always warm welcomed to visit us at any time.Before we start B2B, MIC has audited our company on-spot and approved our credit.Commitment is the No.1 Point of our Enterprise's Value.
Q7.Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed.
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