| ≥1 piece |
beta arbutin CAS:497-76-7
Formula:MSDS
Quantity:99.89%
|
Test
|
Specification
|
Results
|
|
Appearance
|
White needle crystal or powder
|
White powder
|
|
Melting Point
|
199-201
|
199.5-201.5
|
|
Clarity of water solution
|
Transparency colorless, none
suspended matters
|
Complies
|
|
PH Value of 1% Aqueous Solution
|
5.0-7.0
|
6.30
|
|
Specific Optical Rotation
|
[a] 20 -65.00
|
-65.1
|
|
Heavy Metals
|
10PPM,max
|
5PPM
|
|
Infrared peak value
|
requires
|
Complies
|
|
Arsenic
|
2PPM max
|
0PPM
|
|
hydroquinone
|
negative
|
Negative.0ppm
|
|
Loss on Drying
|
0.5%max
|
0.16%
|
|
Residue on Ignition
|
0.5% max
|
0.35%
|
|
Bacteria count
|
Bacteria 300cpu max
|
101
|
|
fungus 100cpu max
|
29
|
|
|
Assay(HPLC)
|
99.5% min
|
99.95%
|