L-Aspartic Acid
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Product Description
Product
L-Aspartic Acid
CAS
56-84-8
Formula
C4H7NO4
Synonym
L-Aspartic acid; L-Aminosuccinic acid
Typical Product Specifications
Purity
98.5% Min ----- 99.6%
Transmittance
98 % Min ----- 99.1 %
Specific Rotation
24.8-25.8 ----- 25.4°
Chlorides
0.02% Max ----- Pass
Loss on Drying
0.2% Max ----- Pass
Residue on Ignition
0.10 % Max ------ Pass
Iron
0.001% Max ----- Pass
NH4
0.05 % Max ------- 0.03
SO4
0.03 % Max ----- 0.02 %
Heavy Metals; USP <231>
10 pm Max ----- Pass
Arsenic PPM
2 ppm Max ---- 1 ppm
Other Amino Acid
Not detective ----- Pass
Density
1.661 (12.5 c)
Slightly Soluble
in water
Insolubility
in alcohol, ether
Melting Point
270 c
Color
colorless to white crystal, acid taste
Molecular weight
133.11
Solubility
acids, alkalis
Chemical Structure
Class
L-Aspartic Acid
Product Description
Product
L-Aspartic Acid
CAS
56-84-8
Formula
C4H7NO4
Synonym
L-Aspartic acid; L-Aminosuccinic acid
Typical Product Specifications
Purity
98.5% Min ----- 99.6%
Transmittance
98 % Min ----- 99.1 %
Specific Rotation
24.8-25.8 ----- 25.4°
Chlorides
0.02% Max ----- Pass
Loss on Drying
0.2% Max ----- Pass
Residue on Ignition
0.10 % Max ------ Pass
Iron
0.001% Max ----- Pass
NH4
0.05 % Max ------- 0.03
SO4
0.03 % Max ----- 0.02 %
Heavy Metals; USP <231>
10 pm Max ----- Pass
Arsenic PPM
2 ppm Max ---- 1 ppm
Other Amino Acid
Not detective ----- Pass
Density
1.661 (12.5 c)
Slightly Soluble
in water
Insolubility
in alcohol, ether
Melting Point
270 c
Color
colorless to white crystal, acid taste
Molecular weight
133.11
Solubility
acids, alkalis
Chemical Structure
Class
