CAS No.: | 134-03-2 |
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Formula: | C6h7nao6 |
EINECS: | 205-126-1 |
Shelf Life: | 2years |
Type: | BHA |
Other Names: | Sodium Ascorbate |
Customization: |
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Analysis Contents
|
Analysis Standard
|
Analysis Results
|
Characteristics
|
White or almost White crystals Crystalline Powder |
Pass
|
Identification
|
Positive Reaction
|
Positive
|
Melting Point
|
About 190ºC
|
190.7ºC
|
PH(5% aqueous solution)
|
2.1-2.6
|
2.36
|
Clarity Of Solution
|
Clear
|
Clear
|
Colour Of Solution
|
≤BY7
|
|
Copper
|
≤5ppm
|
<5ppm
|
Heavy Metals
|
≤10ppm
|
<10ppm
|
Mercury
|
<0.1mg/kg
|
<0.1mg/kg
|
Lead
|
<2mg/kg
|
<2mg/kg
|
Arsenic
|
≤2ppm
|
<2ppm
|
Oxalic Acid
|
≤0.2%
|
<0.2%
|
Iron
|
≤2ppm
|
<2ppm
|
Impurity E
|
≤0.2%
|
<0.2%
|
Loss on Drying
|
≤0.4%
|
0.03%
|
Sulphate Ash(Residue On Ignition)
|
≤0.1%
|
<0.1%
|
Specific Optical Rotation
|
+20.5°-+21.5°
|
+21.16°
|
Organic Volatile Impurities
|
Pass
|
Pass
|
Assay
|
99.0%-100.5%
|
99.75%
|
Total plate count
|
≤1000cfu/g
|
<100cfu/g
|
Yeasts & molds
|
≤100cfu/g
|
<10cfu/g
|
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