DL-Aspartic Acid
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Product Description
Product
DL-Aspartic Acid
CAS
617-45-8
Formula
C4H7NO4
Synonym
Aminosuccinic acid; asparagic acid,ASP; Aspartic acid
Typical Product Specifications
Slightly Soluble
in water
IR Identification
Positive
Loss on Drying
<= 0.20%
Ammonium
<= 0.02%
Arsenic PPM
<= 1 ppm
Assay %
98.5 - 101.0%
Ordinary Impurities
<= 0.1%
Residue on Ignition
<= 0.10%
Chlorides
<= 0.02%
Fe
<= 10 ppm
pH
(1% water solution) 2.5 - 3.5
Transmittance
>= 98%
Sulfates
<= 0.02%
Heavy Metals, as Pb
<- 10 ppm
Sensoric
White Crystaline Powder.
Insolubility
in alcohol, ether
Color
colorless or white crystal
Melting Point
278-280 c (dec.)
Odor
odorless, acid taste
Molecular weight
133.10
Specific gravity
1.66
Chemical Structure
Class
DL-Aspartic Acid
Product Description
Product
DL-Aspartic Acid
CAS
617-45-8
Formula
C4H7NO4
Synonym
Aminosuccinic acid; asparagic acid,ASP; Aspartic acid
Typical Product Specifications
Slightly Soluble
in water
IR Identification
Positive
Loss on Drying
<= 0.20%
Ammonium
<= 0.02%
Arsenic PPM
<= 1 ppm
Assay %
98.5 - 101.0%
Ordinary Impurities
<= 0.1%
Residue on Ignition
<= 0.10%
Chlorides
<= 0.02%
Fe
<= 10 ppm
pH
(1% water solution) 2.5 - 3.5
Transmittance
>= 98%
Sulfates
<= 0.02%
Heavy Metals, as Pb
<- 10 ppm
Sensoric
White Crystaline Powder.
Insolubility
in alcohol, ether
Color
colorless or white crystal
Melting Point
278-280 c (dec.)
Odor
odorless, acid taste
Molecular weight
133.10
Specific gravity
1.66
Chemical Structure
Class
