China (Mainland)
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Vitamin U powder 98% CAS 3493-12-7 CAS NO.3493-12-7
- FOB Price: USD: 200.00-260.00 /Kilogram Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T,Other
- Available Specifications:
USP32(1-100)KilogramUSP32(101-200)Kilogram
- Product Details
Keywords
- Vitamin U
- 3493-12-7
- Vitamin U powder
Quick Details
- ProName: Vitamin U powder 98% CAS 3493-12-7
- CasNo: 3493-12-7
- Molecular Formula: C6H14NO2ClS
- Appearance: white fine powder
- Application: for pharma use CAS 3493-12-7
- DeliveryTime: Prompt
- PackAge: drum and bag
- Port: Beijing or Guangzhou
- ProductionCapacity: 3000 Kilogram/Month
- Purity: 99.90%
- Storage: in sealed air resistant place
- Transportation: by sea or air
- LimitNum: 1 Kilogram
- Related Substances: NMT0.001%
- Residue on Ignition: 0.00%
- Heavy Metal: NMT1ppm
- Valid Period: 2 years
- Product name: Vitamin U
- CAS: 3493-12-7
- MF: C6H14NO2ClS
Superiority
Details
|
Appearance |
White Powder |
Conform |
|
Assay |
98.0%—102.0% |
98.65% |
|
Option rotation |
-0.01°~+0.01° |
Conform |
|
Density(20°C) |
0.952—0.966g/ml |
0.954g/ml |
|
Refractive index(20°C) |
1.494—1.498 |
1.497 |
|
Related substances |
Impurities A, C: for each impurity≤0.5% Impurity B≤1.5% Sum of impurity D+E≤1.0% Any other impurities: Meet EP requirements Total impurities:≤2.5% |
Conform |
|
Absorbance in ethanol: At about 284nm (max) At about 254nm (min) |
42.0—45.0 7.5—9.0 |
44.0 8.8 |
|
Acidity |
Max.1.0ml of 0.1 N NaOH |
0.04ml |
|
Sulphated ashes |
≤0.1% |
0.03% |
|
Heavy metals |
≤10ppm |
<5ppm |
|
Lead |
≤2ppm |
0.04ppm |
|
Arsenic |
≤3ppm |
<1ppm |
|
Free tocopheryl |
≤1.0% |
0.35% |
|
Organic volatile impurities |
Meets USP requirements |
Conform |
Vitamin U CAS 3493-12-7