Customization: | Available |
---|---|
Powder: | Yes |
Customized: | Customized |
Still deciding? Get samples of US$ 150/kg
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Product name
|
Alpha arbutin powder
|
|||
Purity(Test by HPLC)
|
≥99%
|
|||
Appearance
|
White crystal powder
|
|||
Solubility
|
Easily soluble in water and ethanol
|
|||
CAS No.
|
84380-01-8
|
|||
Shelf life
|
2 years
|
|||
|
1kg Alpha arbutin powder/with double plastic container inside/Aluminum foil bag outside.
|
|||
1kg/Carton,5kgCarton,10kg/Carton,25kg/Drum,OEM
|
||||
Shipment
|
FedEx,DHL,EMS,UPS,The Special Line
|
|||
Delivery time
|
Within 2-3 work days after payment
|
|||
Payment terms
|
TT,Alibaba Trade Assurance,Western Union
|
Product name
|
Alpha arbutin
|
β-arbutin
|
Deoxyarbutin
|
|
Purity(Test byHPLC)
|
≥99%
|
≥99%
|
≥98%
|
|
Appearance
|
White crystal powder
|
White crystal powder
|
White crystal powder
|
|
CAS No.
|
84380-01-8
|
497-76-7
|
53936-56-4
|
|
Molecular formula
|
C12H16O7
|
C12H16O7
|
C11H14O3
|
|
Melting point
|
195-196°C
|
199 ~ 202°C(±0.5)
|
86-87ºC
|
|
Boiling point
|
561.6±50.0 °C
|
375.31°C
|
349.8±32.0 °C
|
|
Density(g/cm3)
|
1.556±0.06
|
1.3582
|
1.174
|
|
Acidity factor (pKa)
|
10.10±0.15
|
10.10±0.15
|
10.10±0.15
|
Product Name
|
Alpha arbutin powder
|
|||
Item of Test
|
Limits of Test
|
Results of Test
|
||
Appearance
|
White crystalline powder
|
White crystalline powder
|
||
Assay (HPLC)
|
≥99%
|
99.3%
|
||
Particle
|
100% pass 80 mesh
|
Conforms
|
||
Odor
|
Odorless
|
Conforms
|
||
Sulphated Ash
|
<0.5%
|
0.21%
|
||
Melting Point
|
195-196°C
|
195.2°C
|
||
PH Value Of 1% Aqueous Solution
|
5.0~7.0
|
5.2
|
||
Clarity Of Water Solution
|
Transparency, colorless, none suspended matters
|
Conforms
|
||
Heavy Metals
|
<10%
|
Conforms
|
||
As
|
<1.0ppm
|
Conforms
|
||
Pb
|
<3.0ppm
|
Conforms
|
||
Cd
|
<0.05ppm
|
Conforms
|
||
Hg
|
≤0.1mg/kg
|
Conforms
|
||
Loss on drying
|
<0.5%
|
0.35%
|
||
Total Plate Count
|
<1000cfu/g
|
95cfu/g
|
||
Yeast & Mold
|
<100cfu/g
|
33 cfu/g
|
||
E.Coli
|
Negative
|
Absent
|
||
S. Aureus
|
Negative
|
Absent
|
||
Salmonella
|
Negative
|
Absent
|
||
Pesticides
|
Negative
|
Absent
|
||
Conclusion
|
Conform with specification
|
|||
Storage
|
Store in 2-8°C, cool & dry place, Keep away from strong light and heat.
|