provitamin b5 d-panthenol for cosmetic use
(dexpanthenol) d-panthenol
vitamin b5 (pantothenic acid), d-calcium pantothenate
we are selling the following products with very good price and excellent quality:
provitamin b5 d-panthenol
(dexpanthenol) for cosmetic use
vitamin b5 (pantothenic acid), d-calcium pantothenate
how about our quality please check following specification:
certficate of analysis
product name |
d-panthenol |
quantity |
1500kgs |
||
date of analysis |
20110905 |
date of sampling |
20110905 |
||
batch no. |
20110905 |
date of report |
20110905 |
||
grade |
usp32 |
||||
items |
standards |
testing result |
conclusion |
||
appearance |
white crystalline powder |
white crystalline powder |
conform |
||
purity |
99.0~101 |
100.50 |
conform |
||
specific rotation |
+29---+31.5 |
+30.6 |
conform
|
||
3-aminopropanol≤ |
0.5 |
0.2 |
conform |
||
sulphated ash≤ |
0.1 |
0.02 |
conform |
||
ph |
4.0 -7.0 |
6.0 |
conform |
||
melting point |
255~260 |
256~258 |
conform |
||
solubility |
qualified |
qualified |
conform |
||
ignition residue ≤ |
0.05 |
0.001 |
conform |
||
heavy metals(pb)%≤ |
0.0001 |
0.0001 |
conform |
||
fe%≤ |
0.0005 |
0.0002 |
conform |
about us
1.more than 10 years chemical exporting experience
we have produced chemical more than fifteen years., 80% products are for export .
more than 10 years chemical exporting experience. good and stabilized factory price.
2.strict quality control system
we has passed through the iso9001:2015 quality system certificate, we have strict quality control system
3.supply sample
before order , we can send the sample for your testing . we ensure the quality is the same as bulk quantity .