Pure alpha arbutin /alpha aburtinpowder/arbutin whitening cream
Pure alpha arbutin /alpha aburtinpowder/arbutin whitening cream
Product Description of Alpha Arbutin
1-High quality of more than 99.5% assay and non- hydroquinone.
2-Minimization of liver spot and skin tanning after UV exposure.
3- A more effective, faster and safer approach to skin lightening.
Our high- qualitly product alpha arbutin is made from enzymatic synthesis, the purity is more than 99.5%.
Specification
|
Items |
Specification |
Results |
|
APPEARANCE |
white or almost white CRYSTALLINE POWDER |
Complies |
|
assay(HPLC; %) |
≥99.00 |
99.79 |
|
solubility |
solution water 1:10 |
Complies |
|
MELTING POIN |
199.0~201.0 |
199.0~200.3 |
|
identification |
positive |
Complies |
|
clarity of solution |
≤II reference suspension |
Complies |
|
PH |
5.0-7.0 |
5.7 |
|
SPECIFIC OPTICAL RATATION |
-64.0~-66.0 |
-65.13 |
|
HYDROQUINONE |
can’t examine out |
Complies |
|
HEAVY METALs(%) |
≤0.002 |
Complies |
|
LOSS ON DRYING(%) |
≤0.50 |
0.26 |
|
Ash(%) |
≤0.10 |
0.02 |
|
total Microbiological |
less than 500cfu/g |
10 CFU/g |
|
yeast and mold |
less than 100cfu/g |
not detective |
|
pathogenic bacteria |
not detective |
not detective |
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