- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
497-76-7 Arbutin Hydroquinone glucose
Quick Details
- Appearance: White Powder
- Application:Food Cosmetic Medical
- PackAge: 25 KG/Woven Bag Or Fiber Drum
- ProductionCapacity:2000|Metric Ton|Year
- Storage:Store in cool and dry place, away from sun light.
- Transportation:By sea or by air
Superiority:
Chemical Name: Arbutin
Other name: β-arbutin
CAS No.: 497-76-7
Molecular Fomula: C12H16O7
Molecular weight: 272.25
Appearance: White crystalline powder
Assay:99.5%min
Details:
|
Item |
Specification |
|
1.Assay |
97%-102% |
|
2.Character |
White fine powder or crystals |
|
3.Melting Point |
199~201(±0.5)°C |
|
4.Specific Optical Rotation |
[a]D20= -62.0°~-68.0° |
|
5.Solubility |
Soluble in water.alcohol |
|
6.Transparency in water |
Transparent colorless no suspended |
|
7.Ph(1% water solution) |
5.0-7.0 |
|
8.Loss on drying |
≤ 0.5% |
|
9.Sulfated ash |
≤ 0.1% |
| 10.Heavy metals | ≤ 10ppm |
| 11.Arsenic |
≤ 1ppm |
| 12.Plumbum |
≤ 2ppm |
| 13.Total Plate count |
<1000cfu/g |
| 14.Yeast & Mold |
<100cfu/g |
| 17.Hydroquinone | Negative |
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