Business Type:Lab/Research institutions
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Lab/Research institutions
CAS NO.87-69-4
99%(25-1000)Kilogram
1,In No Less five years exporting experience.
2.Lower Price with higher quality
3,Free sample
4,We are sincerely responsible for the "product quality" and "After Service"
Onchem specialized in APIs, chemical intermediates, herbal extract , pharmaceutical raw materials and health food supplement
Company Introduction:
Onchem (China) Co.,Ltd is a comprehensive manufacturer and an international distribution
of chemicals throughout the world. Specialized in APIs, chemical intermediates, herbal extract and pharmaceutical raw materials.
Product Detailed
L(+)-Tartaric acid
Items |
Standard |
Result |
Appearance |
White crystalline powder |
Conform |
Transparency & colority |
Passes test |
Conform |
Solubility |
Passes test |
Conform |
Specific rotation |
+12.0~+13.0° |
+12.25° |
Loss on drying |
≤0.5% |
0.16% |
Residue on ignition |
≤0.1% |
0.03% |
Calcium |
≤0.02% |
<0.02% |
Chlorides |
≤0.01% |
<0.01% |
Heavy metals(as Pb) |
≤0.001% |
<0.001% |
Arsenic(as As) |
≤0.0003% |
<0.0003% |
Sulfate |
≤0.015% |
<0.015% |
Oxalate |
≤0.035% |
<0.035% |
Assay |
99.7~100.5%(calculated as C4H606) |
99.88% |
Conclusion |
This product conforms to USP34 standard. |
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Factory Picture:
Welcome to our Onchem (China) Co.,Ltd, and welcome to inquiry me about all our products, we will provide the competitive price for u. We are sincerely responsible for the "product quality" and "After Service"
Items |
Standard |
Result |
Appearance |
White crystalline powder |
Conform |
Transparency & colority |
Passes test |
Conform |
Solubility |
Passes test |
Conform |
Specific rotation |
+12.0~+13.0° |
+12.25° |
Loss on drying |
≤0.5% |
0.16% |
Residue on ignition |
≤0.1% |
0.03% |
Calcium |
≤0.02% |
<0.02% |
Chlorides |
≤0.01% |
<0.01% |
Heavy metals(as Pb) |
≤0.001% |
<0.001% |
Arsenic(as As) |
≤0.0003% |
<0.0003% |
Sulfate |
≤0.015% |
<0.015% |
Oxalate |
≤0.035% |
<0.035% |
Assay |
99.7~100.5%(calculated as C4H606) |
99.88% |
Conclusion |
This product conforms to USP34 standard. |
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