QINGDAO TAOSIGN INTERNATIONAL TRADE CO.,LIMITED
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Tel: +86-0532-82683616
Mobile: 86-152 7524 1713
Tel: +86-0532-82683616
Fax: +86-0532-85761013
Province/state: Shandong
City: Qingdao
Street: RM1402, Doublestar Seacoase 7#, No. 5 Guizhou Road, Qingdao, Shandong, China
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CAS NO.50-81-7
Best quality natural ascorbic acid 50-81-7 leading industry
Company Advantages
1. Competitive offers with standard high quality or customize
2. Available customizing blending of above 2 single products
3. Prompt delivery within 2-3 weeks(1 weeks is available for ready stock)
4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 years
5. Respond to inquires within 1 hour and 24hours' online service
6. Free sample and correct shipping documents dispatched according to regulations of different countries
7. Advise price trend accurately and help clients to make order decision
8. Weekly update offers provided to every potential client
Best quality natural ascorbic acid 50-81-7 leading industry
Ascorbic acid
|
Pro name: |
Ascorbic acid |
|
CAS NO: |
50-81-7 |
|
MF: |
C6H7NaO6 |
|
Purity |
99.0%~100.5% |
|
Appearance: |
White or almost white, crystalline powder or colorless crystals |
|
Storage: |
Room temperature & sealed |
|
Application: |
Ascorbic acid (vitamin C) is used to prevent or treat low levels of vitamin C in people who do not get enough of the vitamin from their diets |
|
HS Code: |
2936270010 |
|
Identification： |
Positive reaction Positive |
|
Melting point : |
About 190℃ 191.5℃ |
|
PH : |
2.1~2.6 2.4 |
|
Clarity of solution: |
Clear Clear |
|
Color of solution: |
<=BY7 |
|
Copper : |
<=5ppm <5ppm |
|
Heavy metals: |
<=10ppm <10ppm |
|
Mercury : |
<=0.1mg/kg <0.1mg/kg |
|
Lead : |
<=2ppm <2ppm |
|
Aresenic : |
<=3ppm <3ppm |
|
Oxalic acid： |
<=0.2% <0.2% |
|
Iron : |
<=2ppm <2ppm |
|
Loss on drying: |
<=0.4% <0.1% |
|
Sulphate ash (Residue on ignition) : |
<=0.1% <0.1% |
|
Specific optical rotation : |
+20.5~+21.5° +20.9° |
|
Organic volatile impurities : |
Meets the requirements Conform |
|
Assay : |
99.0~100.5% 99.95% |
|
Delivery Time： |
2 weeks after get prepayment |
|
Port： |
Qingdao/Tianjin |
|
Package： |
25kg/carton |
|
MOQ： |
2MT |
|
Production Capacity: |
20MT/Day |
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