Supply Vitamin C CAS 50-81-7 Ascorbic Acid White Powder

• CAS No.: 50-81-7
• Formula: C6h8o6
• EINECS: 200-066-2
• Packaging Material: Plastic
• Storage Method: Normal
• Shelf Life: 24 Month
• Model NO.: SH030401
• Nutrient Composition: Vitamin
• Resource: Natural
• The content of active substances: 98%
• Product Name: Ascorbic Acid
• Appearance: White or Almost White,Crystalline Powder
• CAS: 50-81-7
• Heavy Metals: Nmt 10ppm
• Arsenic: Nmt 3ppm
• Lead: Nmt 2ppm
• Iron: Nmt 2ppm
• Copper: Nmt 5ppm
• Assay: 99%
• Optical Rational: +20.5-21.5 Degree
• Residue on Ignition: Nmt 0.1%
• Test Standard: GB14754-2010
• Identification: Positive
• Grade: Food Grade
• Function: Boost Immunity
• Transport Package: Drum
• Specification: 25KG/Drum
• Trademark: Source herb
• Origin: China
• Production Capacity: 100000kg

Product Description

SPECIFICATION OF ASCORBIC ACID (VITAMIN C)

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 we can offer  you:

1. Quality Guarantee
All the material in our warehouse are from top leading manufacturer with original export package and make sure what you get is the real product you want.
2. Supply Ability
In our warehouse , we have full range of Vitamins not only to meet the demands from our end users in domestic market but also clients whom from oversea markets . You can always get what you need no matter how market shortage .
3. Payment Terms 
Our payment terms are very flexible , from TT/ DP /LC and TT with credit likes 30 days ,60 days from BL date.
4. Market Instruction 
Based on China domestic market situation , we always get the first hand information about the market change and let our clients to grasp the chance to get stock or help the client to avoid buying at wrong time and wrong price.
5. Professional Service Team
Our professional teams allows our clients enjoy the cooperation with us which they can just place order and waiting for our delivery as we are handling each section very fluently and smoothly.
6. OEM Service 
Based on the clients demands , we can OEM those vitamin premix products with clients own logo or brand.