CAS No.: | 497-76-7 |
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Formula: | C12h16o7 |
EINECS: | 207-850-3 |
Type: | Synthesis Material Intermediates |
Appearance: | Powder |
Quality: | Refined |
Samples: |
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Customization: |
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Product name |
Arbutin |
CAS number | 497-76-7 |
Molecular formula | C12H16O7 |
Molecular weight | 272.25100 |
Exact mass | 272.09000 |
PSA | 119.61000 |
LOGP | -1.42910 |
Melting point
|
195-198 °C
|
alpha
|
-64 º (c=3)
|
Boiling point
|
375.31°C (rough estimate)
|
density
|
1.3582 (rough estimate)
|
refractive index
|
-65.5 ° (C=4, H2O)
|
storage temp.
|
Inert atmosphere,Room Temperature
|
solubility
|
H2O: 50 mg/mL hot, clear
|
pka
|
10.10±0.15(Predicted)
|
(1)Beta arbutin powder protect the skin against damage caused by free radicals
(2)Beta arbutin powder inhibits the formation of melanin pigment by inhibiting Tyrosinase activity,is a kind of skin whitening agent
(3)Beta arbutin was first used in medical areas as an anti inflammatory and antibacterial agent.
(4)Beta arbutin may be used to repress the virulence of bacterial pathogens and to prevent contaminating bacteria, Beta arbutin is also used for treating allergic inflammation of the skin
ANALYSIS | SPECIFICATION |
Assay | ≥99.5% HPLC |
Appearance | White crystalline powder |
Melting Point | 203-206(±1)ºC |
Specific Optical Rotation | [a]20D= + 174.0°- +186.0° |
Infrared peak value | 1514cm-1; 1229 cm-1; 1215 cm-1; 1059 cm-1; 1034 cm-1 |
Solubility | Soluble in water, slightly soluble in ethanol |
Clarity | Solution should be clarify, none suspended matters |
PH(1% water solution) | 5.0-7.0 |
Loss on drying | ≤0.5% |
Residue on Ignition | ≤0.5% |
Packing : |
1kg/bag ,25kg/bag;25kg/drum; according to your requirements |
Transit: |
Fedex, TNT,DHL,EMS,and so on. |
Port: |
Shanghai/Tianjin/Dalian/Beijing/Xi'an |
Lead Time : |
3-5 working days upon received the payment |
For mass orders, it will be delivered by air or sea. Depending on your location, please allow 1-5 business days for your order to arrive. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days by Air, 15-30 days by Sea. |
Q1: What's your MOQ?
A:It depends on different products,we can accept sample order or provide free sample for your test.
Q2:How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q3: Is there a discount?
A:Different quantity has different discount.
Q4:How to start orders or make payments?
A:Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Bitcoin.
Q5: How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q6. Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed.
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