Ascorbic Acid (Vitamin C) (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:Food Grade, Feed 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