Vitamin H Vitamin H cas 58-85-5 high quality Vitamin H
1.Specification:
Items |
Specifications |
Test results |
Appearance |
White ot off-white crystalline powder |
conform |
assay |
97.5%-100.5% |
99.8% |
Specific rotation |
+89 - +93° |
+91.25° |
Solvent residue |
Chloroform :≤6ppm Pyridine:≤20ppm Ethanol:≤500ppm |
0.01ppm 0.01ppm 20ppm |
Melting point |
229-233°C |
229.3-230.9°C |
Loss on drying |
≤1.0% |
0.11% |
Bulk density |
0.3g/cm³ |
Conform |
Residue on ignition |
≤0.1% |
0.010% |
Heavy metal |
Pb: ≤0.5ppm As: ≤1ppm Cd: ≤1ppm Hg: ≤0.1ppm |
0.07ppm 0.5ppm 0.01ppm 0.006ppm |
Mesh number |
100% through 80 mesh |
100% through |
Microbial limit |
total plate count:≤1000cfu/g Yeast and Mold:≤100cfu/g salmonella:negative Bacillus Coli:negative MRSA :negative The total bacteria:≤50cfu/g |
20cfu/g 10cfu/g negative negative negative normal |
solubleness |
Very slightly soluble in water Conform |
Conform |
Conclusion: The batch tested complies with the standard of USP32 . |
2.Function and usage:
3.Payment:
We recommend T/T or Escrow , or PayPal are also acceptable!
4.Delivery:
Express way as the following is:
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5.Packaging:
6.Laboratory:
7.Our Company:
Our company advantage:
1.Small order is acceptable
2.Can provide sample for you
3.Have self-export rights
8.Exhibition:
The End |
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