Best quality Vitamin B12 CAS 68-19-9
Min.Order / FOB Price:Get Latest Price
| 1 Kilogram |
FOB Price:USD 2800.0000 -3000.0000 |
- Min.Order :1 Kilogram
- Purity: 99.90%
- Payment Terms : L/C,D/P,T/T,,MoneyGram,Other
Keywords
Vitamin B12 Best quality Vitamin B12 68-19-9
Quick Details
- Appearance:red powder
- Application:for pharma use CAS 68-19-9
- PackAge:drum and bag
- ProductionCapacity:500|Kilogram|Month
- Storage:in sealed air resistant place
- Transportation:by sea or air
Superiority:
Details:
| Vitamin B12 Food Grade | ||||
| PARAMETER | SPECIFICATION | |||
| Appearance | Light red homogencous powder | |||
| Identification | Positive | |||
| Loss on drying | Max.0.5% | |||
| Assay of vitamin B12(on dry sub) | 0.9-1.3% (HPLC Method) | |||
| Carrier | Mannitol | |||
| Size | Max 250um | |||
| Vitamin B12 Feed Grade | ||||
| PARAMETER | SPECIFICATION | |||
| Appearance | Light red homogencous powder | |||
| Identification | Positive | |||
| Loss on drying | Max.12% | |||
| Assay of vitamin B12(on dry sub) | 0.9-1.3% (HPLC Method) | |||
| Carrier | Starch | |||
| Size | Max 250um | |||
| Vitamin B12 (Cyanocobalamin) | ||||
| PARAMETER | SPECIFICATION (USP32) | |||
| Appearance | dark-red,crystalline powder, Or crystals,hygroscopic | |||
| Identification | Positive | |||
| Loss on drying | Max.12% | |||
| Ratio Absorbances |
A361nm/A278nm:1.70-1.90 A361nm/A550nm:3.15-3.40 |
|||
| Pseudo Cyanocobalamin | Complies | |||
| Assay on dried | 96.0%-100.5% | |||
| Microbiology | ||||
| Bacteria | ≤1000cfu/g | |||
| Mould & yeasts | ≤100cfu/g | |||
| E Coli | Negative | |||
| Limit of residual | Acetone≤0.5% | |||
| Vitamin B12 (Mecobalamin) | ||||
| PARAMETER | SPECIFICATION (Standard of JP X IV) | |||
| Appearance | Dark red crystals crystalline powder | |||
| Identification | UV: Compare the spectrum with the reference spectrum | |||
| Chemical: Postive | ||||
| Solution purity | Clear and red color | |||
| Assay (on anhydrous basis) | Min. 98.0% | |||
| Related substances (HPLC) | The largest area of the peaks: ≤0.5% | |||
| Tatal content: ≤2.0 | ||||
| Moisture | Max.12.0% | |||
| Acetone,By GC | ≤5000ppm | |||
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