1-24 Kilograms
$30.00
25-99 Kilograms
$25.00
100-999 Kilograms
$20.00
≥1000 Kilograms
$15.00
High quality CAS 5794-13-8 L-Asparagine price
CAS No. : 5794-13-8
Chemical Name: L-Asparagine (Butanoic acid, 2,4-diamino-4-oxo-(S))
Molecule Formula: C4H8N2O3;
Character: H2NCOCH2CH(NH2)COOH
Molecule Weight: 132.12
Description: White crystal or crystalline powder, slightly sweet taste, soluble in water
L- Asparagine | AJI92 | FCC5 | USP39 | EP8 |
Assay | 99.0-101.0% | 98.0-101.5% | 98.0-101.5% | 99.0-101.0% |
PH | 4.4-6.4 | / | / | 4.0-6.0 |
Specific rotation[a]D20 | +34.2°-+36.5° | +33.0°-+36.5° | +33.0°-+36.5° | +33.7-+36.0 |
Specific rotation[a]D25 | / | / | / | / |
Transmittance(T430) | ≥98.0% | / | / | / |
Chloride(Cl) | ≤0.02% | / | / | ≤0.02% |
Ammonium(NH4) | ≤0.1% | / | / | ≤0.01% |
Sulfate(SO4) | ≤0.02% | / | / | ≤0.02% |
Iron(Fe) | ≤10PPM | / | / | ≤10PPM |
Heavy metals(Pb) | ≤10PPM | ≤5PPM | ≤5PPM | ≤10PPM |
Arsenic | ≤1PPM | / | / | / |
Other amino acids | conform | / | individual impurities≤0.5% total impurities≤1.0% | ≤0.5% |
Ninhydrin-positive substances | / | / | / | / |
Loss on drying | 11.5-12.5% | 11.5-12.5% | 11.5-12.5% | 10.5-12.5% |
Residue on ignition | ≤0.10% | ≤0.10% | ≤0.10% | ≤0.10% |
1.Asparagine has good function of revealing fresh and the preservation. Asparagine widely uses as medicinal preparation or revealing fresh and antiseptic in food profession,and can replace monosodium glutamate.
2.Asparagine can be raw material of heart disease medicine and liver function promoter,ammonolysis toxic agent, weary elimination medicinal preparation and amino acid infusion.
Used in food industry and medicine
Has good function of revealing fresh and the preservation. It widely uses as medicinal preparation or revealing fresh and antiseptic in food profession,and can replace monosodium glutamate. It can be raw material of heart disease medicine and liver function promoter,ammonolysis toxic agent, weary elimination medicinal preparation and amino acid infusion. There are a wide range of uses in industry.
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