Vitamin Cascorbic Acid High Quality, Low Price, Native Manufacturer, Best Selling

Ascorbic Acid (Vitamin C)(Cas No.:50-81-7)
Quick Details
CAS No.:50-81-7
Other Names:L(+)-Ascorbic acid
MF:C6H8O6
EINECS No.:200-066-2
Place of Origin:Zhentian, China
Type:Vitamins, Amino Acids and Coenzymes
Grade Standard:Feed Grade, Food Grade, Medicine Grade
Usage:Animal Pharmaceuticals
Purity:99%
Product Name:L(+)-Ascorbic acid
Appearance:White powder
Sample:Free charge samples can be sent
Total Heavy metals:<10ppm
Test Method:HPLC/UV
Standard:USP EP JP etc.
Bacterial endoloxins:<0.075EU/mg
Shelf life:2 years
Name:L-Ascorbic acid
Synonyms:Vitamin C; L-Threo-2,3,4,5,6-pentahydroxy-1-hexenoic acid-4-lactone
Molecular Formula: C6H8O6
Molecular Weight: 176.12
CAS Number: 50-81-7
EINECS: 200-066-2
Packaging & Delivery
Packaging Details
Drum, Plastic Container, Vacuum Packed for High qualtiy L(+)-Ascorbic acid 50-81-7
Delivery Time
3days After payment for L(+)-Ascorbic acid
Specification
Item
Standard (BP2005/USP31/EP5)
Test Result
Characteristics
White crystals or crystalline powder
Meet the Requirement
Identification
Positive Reaction
Meet the Requirement
Melting Point
190-192 °C
191.3 °C
PH
2.2~2.6
2.49
Clarity of Solution
Clear
Meet the Requirement
Color of Solution
≤BY7
< BY7
Specific Optical Rotation
+20.5~+21.5°
+21.17°
Copper
≤ 5 ppm
<5 ppm
Heavy metals
≤ 10 ppm
<10 ppm
Iron
≤ 2 ppm
<2 ppm
Oxalic Acid
≤ 0.2 %
<0.2 %
Sulphated Ash
≤ 0.1 %
<0.1 %
Residue on Ignition
≤0.1 %
<0.1%
Organic Volatile Impurities
Pass USP Test
Meet the Requirement
Assay
99.0~100.0%
99.95%
Loss on drying
≤ 0.4 %
<0.4 %
Lead
≤2ppm
<2ppm
Mercury
≤0.1mg/kg
<0.1mg/kg
Mesh
40~80mesh
Pass
Arsenic
≤3ppm
<3ppm1. What's your payment terms?T/T or L/C.2. What's your delivery time?Usually we will arrange the shipment in 7 -15 days.3. How about the packing?Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.4. How about the validity of the products?According to the products you ordered.5. What documents you provide?Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.6. What is loading port?Usually isQingdao or Tianjin.Why us?1. Competitive offers with standard high quality or customize2. Available customizing blending of above 2 single products3. prompt delivery within 2-3 weeks(1 weeks is available forready stock)4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 years5. Respond to inquires within 1 hour and 24hours' online service6. Free sample and correct shipping documents dispatched according to regulations of different countries7. More than 200 products available to provide and mix in one container8. Advise price trend accurately and help clients to make order decision9. Weekly update offers provided to every potential client10.Holliday greetings and thankful letter to every buying clients