United States
Pure Ascorbic Acid CAS NO.50-81-7
- Min.Order: 100 Kilogram
- Payment Terms: T/T,MoneyGram
- Product Details
Keywords
- Pure Ascorbic Acid
- Pure Ascorbic Acid
- Pure Ascorbic Acid
Quick Details
- ProName: Pure Ascorbic Acid
- CasNo: 50-81-7
- Application: 1.Best price and good service 2.Offer...
- PackAge: 25kg carton box ,1 FCL=20MT
- ProductionCapacity: 1000 Kilogram/Week
- Purity: 99.9%
- LimitNum: 100 Kilogram
Superiority
|
Characteristics |
White or almost white crystalline powder |
Pass |
|
Identification |
Positive reaction |
Pass |
|
Melting Point |
About 190°C |
191°C |
|
PH |
2.1-2.6 |
2.3 |
|
Clarity of solution |
Clear |
Pass |
|
Color of solution |
≤BY7 |
|
|
Copper |
≤5ppm |
<5ppm |
|
Heavy metals |
≤10ppm |
<10ppm |
|
Iron |
≤2ppm |
<2ppm |
|
Lead |
≤2ppm |
<2ppm |
|
Arsenic |
≤3ppm |
<3ppm |
|
Oxalic acid |
≤0.2% |
<0.2% |
|
Sulphated Ashes |
≤0.1% |
0.03% |
|
Specific optical Rotation |
+20.5°~ +21.5° |
+21.1° |
|
Assay |
99.0%-100.5% |
99.9% |
|
Organic volatile impurities |
Pass |
Pass |
|
Residual solvents |
Methanol: NMT 3000ppm |
<3000ppm |