| Model: | Zhentian881 |
|---|---|
| Brand: | Zhentian |
| Origin: | Made In China |
| Category: | Chemicals / Fodder Additives |
| Label: | stweeteners , plant extract , food additive |
| Price: |
US $6000
/ ton
|
| Min. Order: | 1 ton |
| Live Chat: | Last Online:13 Nov, 2018 |
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 |
<3ppm |
| Payment Terms: | L/C |
|---|---|
