Vitamin C Ascorbic Acid

Vitamin C Ascorbic Acid CAS NO.50-81-7

FOB Price: USD: 7.00-7.00 /Kilogram Get Latest Price
Min.Order: 200 Kilogram
Payment Terms: L/C,T/T
Available Specifications:
USP grade (200-1000)Kilogram7/Kilogram200USD

Product Details

Keywords

Vitamin C USP GRADE
Ascorbic Acid USP GRADE
Livestock Feed

Quick Details

ProName: Vitamin C Ascorbic Acid
CasNo: 50-81-7
Appearance: White powder
Application: 1.Food Grade: As antioxidant and food ...
DeliveryTime: 10 days
PackAge: 20kg cartonbox
Port: shanghai
ProductionCapacity: 50 Metric Ton/Month
Purity: 99.0%-100.5%
Transportation: By Air or By Sea
LimitNum: 200 Kilogram

Superiority

1.Product can be used in pharm grade ,food grade with lower impurity and lower heavy metal

2.Product can be customized by us according to your reuqirement .

Details

Appearance: White or almost white granular pass

Odor: Odorless or almost odorless

Identification: Positive Reaction

Heavy Metals (lead) <10ppm

Arsenic <3ppm

Loss on drying((1g, silica gel, 24h) 0.15% max

Residue on ignition 0.1% max

Assay (Calculated on the dried basis) 96.0- 98.0%

Fineness: Through 20 Mesh &ge 98% b. Through 100 Mesh 25%

Microbiology Max. 500aerobe/g Max. 100 fungus/g

The absence of E. Coli

Storage: Kept in cool, dry and closed place

Shelf-life: 2 years

ITEM	STANDARD
Appearance	White or almost white crystal or crystalline powder
Identification	Positive
Melting point	191 °C ~ 192°C
pH (5%, w/v)	2.2 ~ 2.5
pH (2%,w/v)	2.4 ~ 2.8
Specific optical rotation	+20.5° ~ +21.5°
Clarity of solution	Clear
Heavy metals	≤0.0003%
Assay (as C 6H 8O6, %)	99.0 ~ 100.5
Copper	≤3 mg/kg
Iron	≤2 mg/kg
Arsenic	≤2 mg/kg
Lead	≤2 mg/kg
Oxalic acid	≤0.2%
Loss on drying	≤0.1%
Sulphated ash	≤ 0.1%
Residual solvents (as methanol)	≤ 500 mg/kg
Total plate count (cfu/g)	≤ 1000
Yeasts & molds (cfu/g)	≤ 100
Escherichia. Coli/g	Absence
Salmonella/ 25g	Absence
Staphylococcus aureus/ 25g	Absence

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