High Quality 99% Ascorbic Acid Vc Raw Materials Powder Vitamin C Paracetamol

• CAS No.: 50-81-7
• Formula: C6h8o6
• EINECS: 200-066-2
• Packaging Material: Paper
• Storage Method: Normal
• Shelf Life: 36 Months
• Model NO.: TNN1
• Nutrient Composition: Vitamin
• Resource: Chemosynthesis
• The content of active substances: >99%
• Purity: 99%
• Transport Package: Cardboard Cartons
• Specification: 25kg
• Origin: China
• HS Code: 29362700

Product Description

Item	Standard
Appearance	White or almost white, crystalline powder or colourless crystals
Melting point	About 190ºC. with decomposition
Infrared absorption spectrum	Infrared absorption spectrum accord with the referance spectrum of ascorbic acid CRS
PH(With 5% water solution)	2.1-2.6
PH(With 2% water solution)	2.4-2.8
Appearance of solution	Clarity; clear; colour: ≤BY7
Specific optical rotation	20.5ºC- 21.5ºC
Loss on drying	≤0.4%
Impurity E	≤0.2%
Related substance	Impurity C: ≤0.15%
	Impurity D: ≤0.15%
	Unpecified impurities:≤0.10%
	Total impurities:≤0.20%
Copper	≤5.0ppm
Iron	≤2.0ppm
Arisenic	≤3.0ppm
Lead	≤2.0ppm
Mercury	≤1.0ppm
Cadmium	≤1.0ppm
Heavy metals	≤10ppm
Sulphated ash	≤0.1%
Assay	99.0% ~ 100.5%

Who are we?
1. TNN was founded in 1998 with headquarters in Dalian, branch offices in USA, Austrilia.
2. ISO9001 Certificated,annual Sales Amount 28million US dollors, cooperative ralationship with 60+countries.

What we can do?
1. Customer-oriented sourcing and supply service.
2. Pre-shipment sample test and third-party inspection to assure product quality.
3. Customized label and packing, reinforced palletizing method to keep cargo in good condition.
4. Professtional service on mixed container load with 20+ different products in one consignment.
5. Fast speed of delivery under multiple modes of trasportation including sea,railway,air,courier.

Strict quality control:
Firstly test pre-shipment sample by TNN's lab,
If test succeeds, deliver (same batch) pre-shipment sample and confirm the Original COA with clients,
After confirmation we ship the (same batch) cargos.
If test fails,shipment suspends,TNN corrects and offers qualified one.