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Ascorbic acid(Vitamin C) CAS 50-81-7
CAS NO.: 50-81-7
FOB Price: NEGOTIABLE Get Latest Price
Specification: Assay≥99.0%; Assay≥99.0%
Documentation: Get COA after inquiry
Lead Time: In Stock
Max Capacity: 50000MT/Year
Pallets Packing 20'FCL 40'FCL
With Without With Without
25KG/Carton
18 MT
23 MT
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Overview
Properties
OVERVIEW

Chemical names: Ascorbic acid

CAS:50-81-7

Manufacturer:Northeast Pharmaceutical Group Co., Ltd.

Product Category:Pharma Grade、Food Grade

Characteristics:White or almost white, crystalline powder or colorless crystals. Melting point 190-194 ° C, boiling point 415.8 º C, flash point 180.4 º C. Easily soluble in water, slightly soluble in ethanol, insoluble in ether, chloroform, benzene, Petroleum ether, oils and fats. Molecular formula: C6H8O6.

Product specifications:

Items

Standard(Pharma Grade

Characteristics

White or almost white, crystalline powder or colorless crystals

Melting Point

About 190℃, with decomposition

Specific Rotation

+20.5°~+21.5°

Acidity (pH)

2.2~2.5(5%aqueous solution)

Assay

99.0%~100.5%

Loss on Drying

≤0.20%

Oxalic Acid(Impurity E)

≤0.05%

Related Substances

Impurity C, D:≤0.15%

Unspecified Impurities:≤0.10%

Total Impurities other than C, D: ≤0.2%

Copper

≤5ppm

Iron

≤2ppm

Sulphated Ash

≤0.1%

Clarity of Solution

Clear

Color of Solution

≤BY7

Residual Solvents

Methanol ≤0.3%

Particle-Size

≤30% more than 40 mesh

≥45% between 40 and 80 mesh

The total aerobic microbial count(TAMC)

≤10³cfu/g

The total combined yeasts and moulds count(TYMC)

≤10²cfu/g

Escherichia coli

Not detected /g

Staphylococcus aureus

Not detected /g

Salmonella

Not detected /10g



Items

Standard(Food Grade

Characteristics

White or almost white, crystalline powder or colorless crystals

Melting Point

About 190℃, with decomposition

Specific Rotation

+20.5°~+21.5°

Acidity (pH)

2.1~2.6(5%aqueous solution)

2.4~2.8(2%aqueous solution)

Assay

99.0%~100.5%

Loss on Drying

≤0.40%

Oxalic Acid(Impurity E)

≤0.2%

Related Substances

Impurity C, D:≤0.15%

Unspecified Impurities:≤0.10%

Total Impurities other than C, D: ≤0.2%

Heavy Metals

≤10ppm

Copper

≤5ppm

Iron

≤2ppm

Arsenic

≤3ppm

Lead

≤2ppm

Mercury

≤1ppm

Sulphated Ash

≤0.1%

Clarity of Solution

Clear

Color of Solution

≤BY7

Residual Solvents

Methanol≤0.3%

Particle-Size

≤30%more than 40 mesh

≥45%between 40 and 80 mesh

The total aerobic microbial count(TAMC)

≤10³cfu/g

The total combined yeasts and moulds count(TYMC)

≤10²cfu/g

Escherichia coli

Not detected /g

Staphylococcus aureus

Not detected /g

Salmonella

Not detected /10g


Main application:

1.Food processing application: used as a vitamin enhancer and nutritional supplement for concentrated orange juice, fruit juice crystals, candies, jelly, jam, etc. Used as an antioxidant, it can be used in fermented noodle products and also in beer.

2.Medical application: Ascorbic acid participates in the generation of collagen in the body, has the function of neutralizing toxins and promoting antibody generation, and can enhance the detoxification function of the body. It is a kind of vitamin medicine, which is mainly used in medicine for the prevention or treatment of Scurvy, as well as for caries, Dental abscess, anemia, growth stagnation and other diseases caused by insufficient ascorbic acid, and also for various acute and chronic infectious diseases, purpura and other auxiliary functions.

3.Chemical industry applications: reference reagents for the determination of arsenic, iron, phosphorus, and iodine, chromatographic analysis reagents, antioxidants, masking agents, reducing agents.

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Northeast Pharmaceutical Group Co.,Ltd.
78YRS
Business Type:
Manufacturing
Country/Region:
Liaoning, China
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