DL-Asparagine monohydrate
Synonym(s):(±)-2-Aminosuccinic acid 4-amide;DL -Aspartic acid 4-amide
- CAS NO.：3130-87-8
- Empirical Formula: C4H8N2O3
- Molecular Weight: 132.12
- MDL number: MFCD00064400
- EINECS: 221-521-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-15 13:03:24
What is DL-Asparagine monohydrate?
Chemical properties
white fine crystalline powder, odorless; soluble in acid or alkali solution, slightly soluble in water, insoluble in ethanol, ether and other organic solvents.
The Uses of DL-Asparagine monohydrate
DL-asparagine is a racemic mixture of the non-essential amino acids, L and D-aparagine. It is generally used in growth-media for bacteria-growth. DL-Asparagine monohydrate can also be used to synthesize other salts such as DL-asparaginium perchlorate, DL-asparaginium nitrate and dimethyl DL-aspartate.
Definition
ChEBI: An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group.
Preparation
DL-Asparagine monohydrate was synthesized by dissolving maleic anhydride in 1,4-dioxane solution and refluxing with benzylamine after ammonolysis, followed by catalytic hydrogenation.
Properties of DL-Asparagine monohydrate
| Melting point: | 220 °C (dec.)(lit.) |
| Boiling point: | 438.0±40.0 °C(Predicted) |
| Density | 1.404±0.06 g/cm3(Predicted) |
| storage temp. | Room Temperature |
| solubility | Aqueous Acid (Slightly), Water (Slightly) |
| form | Fine Crystalline Powder |
| pka | 2.17(at 20℃) |
| color | White |
| Water Solubility | soluble |
| BRN | 6234992 |
| CAS DataBase Reference | 3130-87-8(CAS DataBase Reference) |
| EPA Substance Registry System | Asparagine (3130-87-8) |
Safety information for DL-Asparagine monohydrate
Computed Descriptors for DL-Asparagine monohydrate
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