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【 Sell 】
alpha arbutin CAS 84380-01-8
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| Offer type: |
Sell |
| Offer post time: |
2012-05-14 |
| Offer expiry date: |
Never expired |
| Detailed Product Description: |
alpha arbutin CAS 84380-01-8
Assay: 99% by HPLC
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Item
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Specification
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Results
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|
Appearance
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White crystalline powder
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White crystalline
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Assay
|
99.0%Min
|
99.90%
|
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Melting point
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203-206degree
|
204.6-205.8
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Clarity of water solution
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Transpency, colorless, none suspended matters
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Pass
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pH value of 1% aqueous solution
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5.0-7.0
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6.05
|
|
Specific optical ratation
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D20=+176~184degree
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+179.5
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Arsenic
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2 ppm max
|
pass
|
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Hydroquinone
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10 ppm max
|
pass
|
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Heavy metal
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10 ppm max
|
pass
|
|
Loss on drying
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0.5% max
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0.05%
|
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Ignition residue
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0.5% max
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0.04%
|
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Pathogen
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Bacteria:300cfu/g max
Fungus:100cfu/g max
|
20
20
|
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Conclusion
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|
pass
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MP : 203-207 degree |
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| Company Name : |
HANGZHOU ONICON CHEMICAL CO.LTD |
| Address : |
Bldg 19 Wenshayayuan/ jiangshan fenghua , No.198 Yanjiangdadao,Yichang City 443003 , Hubei province
yichang/hubei/CHINA Hubei China |
| Zip : |
443003 |
| Tel : |
+86- 717- 6307507 |
| Fax : |
+86- 717- 6307582 |
| Website : |
http://www.pharma-chemical.com |
| Contact Person (SALE DEPARTMENT) : |
KEN CHEUNG
 |
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