- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
58-85-5 Vitamin B7 D-biotin
Quick Details
- Appearance: White powder
- Application:
- PackAge:25KG/Drum
- ProductionCapacity:2000|Metric Ton|Year
- Storage:Store in cool and dry place, away from sun light.
- Transportation:By sea or by air
Superiority:
Product Names:D-biotin
CAS: 58-85-5
Purity: 99%min
Grade: Food Grade
Test Method: HPLC
Details:
|
Items |
Specifications |
Results |
|
Appearance |
White to whitelike crystalline powder |
Qualified |
|
Identification |
Should meet the requirements |
Qualified |
|
Assay(HPLC) |
97.5~100.5% |
99.80% |
|
Loss on drying |
≤0.2% |
0.15% |
|
Specific Rotation |
+89°~ +93° |
+89.6° |
|
Melting Range |
229°~232° |
229.9°~231.5° |
|
Ash |
≤0.1% |
0.09% |
|
Solution color and clarity |
Solution clarity and the samples should be light in color standard |
Qualified |
|
Heavy metals(Pb) |
≤10mg/kg |
<10mg/kg |
|
Lead |
≤2mg/kg |
<2mg/kg |
|
Arsenic |
≤1mg/kg |
<1mg/kg |
|
Single impurities |
≤1.0% |
0.30% |
|
Total impurities |
≤2.0% |
0.30% |
|
Total number of colonies |
≤1000cfu/g |
<1000cfu/g |
|
Molds and yeasts |
≤100cfu/g |
<100cfu/g |
|
Diarrheogenic colon Aishi bacteria |
Not detected |
Not detected |
|
Salmonella |
Not detected |
Not detected |
|
Conclusion:Conformed to USP37 |
||
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