China (Mainland)
99%-100% Ascorbic acid 50-81-7 CAS NO.50-81-7
- FOB Price: USD: 4.50-4.50 /Kilogram Get Latest Price
- Min.Order: 100 Kilogram
- Payment Terms: L/C,T/T,
- Available Specifications:
Top grade(1-1000)Kilogram
- Product Details
Keywords
- Ascorbic acid
- Best price Ascorbic acid
- High Purity L(+)-Ascorbic acid
Quick Details
- ProName: 99%-100% Ascorbic acid 50-81-7
- CasNo: 50-81-7
- Molecular Formula: C6H8O6
- Appearance: White crystal powder
- Application: Vitamin C is widely used in many field...
- DeliveryTime: Within 12 working days after receiving...
- PackAge: 25kg drum or carton
- Port: Shanghai port
- ProductionCapacity: 500 Metric Ton/Year
- Purity: 99%-100%
- Storage: Should be stored in dry, cool and vent...
- Transportation: Professional loading container, withou...
- LimitNum: 100 Kilogram
- Related Substances: 99.0-100.5%
- Residue on Ignition: ≤10ppm
- Heavy Metal: ≤10ppm
- Valid Period: 2 years
Superiority
Full experience of large numbers containers loading in Chinese sea port
Fast shipment by reputed shipping line
Packing with pallet as buyer's special request
Best service after shipment with e mail
Cargoes together with container sales seervice available
Full experience export to overseas
Cargoes photo before and after loading into container
Raw materials from chinese origine and after loading into container
Raw materials from chinese origin
Details
Characteristics:white monoclinic system crystals or crystalline powder. Metling point 190C -192C, odorless but tastes sour. Color turns light yellow after long time storage. The product is easily soluble in water , slightly soluble in ethanol, insoluble in chloroform and ether and its water solution appears acidic. The PH value of the 5% water solution is 2.1-2.6 and the ratio rotation of the 10% (W/V) water solution is +20.5 . -+21.5 .
|
Description
|
White or almost white crystals
or crystalline power
|
|
identification
|
Positive Reaction
|
|
Melting Point
|
187 192
|
|
pH
|
2.1 2.6
|
|
Clarity of Solution
|
Clear
|
|
Color of Solution
|
≤BY7
|
|
Copper
|
≤5ppm
|
|
Heavy Metals
|
≤10ppm
|
|
Iron
|
≤2ppm
|
|
Mercury
|
≤1ppm
|
|
Lead
|
≤2ppm
|
|
Arsenic
|
≤3ppm
|
|
Oxalic Acid
|
≤0.2%
|
|
Loss on drying
|
≤0.4%
|
|
Residue on ignition
|
≤0.1 %
|
|
Specfic Rotation
|
+20.5 ° +21.5°
|
|
Organic Volatile Impurities
|
Pass
|
|
Assay
|
99.0-100.5%
|