Product Information

 

Product Name

Ascorbic Acid

Certifications

USP/FCC; Kosher

Synonyms

Vitamin C

CAS Number

50-81-7

Molecular Weight

176.12

Molecular Formula

C6H8O6

 

Specifications

 

Appearance

White, crystalline powder

Identification

Positive Reaction

Melting Point

About 190 deg C

pH

2.4 – 2.6

Clarity of Solution

Clear

Color of Solution

<= BY7

Loss of Drying

0.4% max

Arsenic

<= 3 ppm

Lead

<= 2 ppm

Copper (Cu)

<= 5 ppm

Heavy metal (as Pb)

<= 10 ppm

Iron (Fe)

<= 2 ppm

Mercury

<= 1 ppm

Oxalic Acid

<= 0.2 %

Sulphate Ash

0.1% max

Specific Optical Rotation

+ 20.5° ~ + 21.5°

Residual Solvents

Pass

Organic Volatile Impurities

Pass

Mesh

40-80 mesh

Assay

99.0 ~ 100.5%

Total Plate Count

100 cfu/g max

E-Coil

Negative

Yeast & Mold

100 cfu/g max

Pseudomonas

Negative

Staphylococcus

Negative

 

Packing Options

 

25 kg net cartons

Other packing options are available upon request

 

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