Product Name	Ascorbic acid
CAS No.	50-81-7
Molecular Formula	C6H8O6
Molecular Weight	176.12
Structural Formula
Quality Standard	BP2014/USP39/EP7/E300/FCC7
Packing	25 kg/carton
Shelf Life	3 Years

 

Items	Specification
Characteristics	White or almost white,Crystalline powder or colourless crystals
Identification	Corresponds
Melting Point	189°C ~ 193°C
PH (5%,W/V)	2.1-2.6
PH (2%,W/V)	2.4-2.8
Specific Optical Rotation	+20.5° ~ +21.5°
Apperance of Solution	Clarity: Clear; Colour: ≤BY7
Heavy Metals	≤10ppm
Copper	≤5 ppm
Iron	≤2 ppm
Mercury	<1 ppm
Arsenic	≤3 ppm
Cadmium	<1 ppm
Lead	<2 ppm
Loss of Drying	≤0.4%
Sulphate Ash	≤0.1%
Oxalic Acid (Impurity E)	≤0.2%
Related substances	Impurity C:  ≤0.15% Impurity D:  ≤0.15% Unspecified impurities:  ≤0.10% Total impurities:  ≤0.20%
Residual solvents	Meets the requirements
Assay	99.0%-100.5%

WHAT AP:+86=181=9182=8449

   Hong Kong Excellence Biological Technology Co., Ltd. is located in Guangdong Province, China.  As one of the most dynamic factories and foreign trade companies in the Chinese market, we have a registered capital of RMB 5 million.  It mainly produces and develops local anesthetics, pharmaceutical intermediates, organic solvents, and steroids and other APIs.  In addition, we have a self-developed production line pharmaceutical raw material production plant, and we also have a pharmaceutical raw material research and development test center.  We also cover the custom synthesis business of various organic compounds as a supplement.  We can synthesize almost all chemicals.
    Our customers are all over the world, mainly selling in the United States, Canada, Australia, the United Kingdom, the Netherlands, Germany, France and other EU countries, Southeast Asia, South America, and Oceania. We also have many customers.
   Our business is based on honesty and mutual trust.  Sincerely look forward to establishing long-term mutually beneficial business relationships with customers around the world.