DL-2-AMINO-4-PENTENOIC ACID
Synonym(s):(±)-2-Amino-4-pentenoic acid;DL -C-Allylglycine
- CAS NO.：7685-44-1
- Empirical Formula: C5H9NO2
- Molecular Weight: 115.13
- MDL number: MFCD00063103
- EINECS: 231-689-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:23:26
What is DL-2-AMINO-4-PENTENOIC ACID?
Chemical properties
white crystalline powder
Biochem/physiol Actions
DL-2-Allylglycine is a racemic mixture of L- and D-allylglycine. D-allylglycine is the enantiomer of L-allylglycine, a glutamate decarboxylase (GAD) inhibitor used in GABA research. D-allylglycine may be used as a control supplement versus L-allylglycine in GABA research. D-allylglycine is used in the organic synthesis of cyclic opioid peptide agonists and antagonists.
Purification Methods
Dissolve it in absolute EtOH and precipitate it with pyridine, then recrystallise it from aqueous EtOH [RF on paper in BuOH/EtOH/NH3/H2O (4:4:1:1:) is 0.37]. The hydrobromide has m 136-140o (from EtOAc) and the phenylureido derivative has m 159-161o. [Schgl Monatsh Chem 89 377 1958, Beilstein 4 IV 2852.]
Properties of DL-2-AMINO-4-PENTENOIC ACID
| Melting point: | 258-260 °C(lit.) |
| Boiling point: | 215.41°C (rough estimate) |
| Density | 1.1808 (rough estimate) |
| refractive index | 1.4538 (estimate) |
| storage temp. | -20°C |
| Water Solubility | Soluble in water |
| form | Crystalline Powder |
| pka | 2.22±0.10(Predicted) |
| color | White |
| BRN | 1748645 |
| CAS DataBase Reference | 7685-44-1(CAS DataBase Reference) |
Safety information for DL-2-AMINO-4-PENTENOIC ACID
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for DL-2-AMINO-4-PENTENOIC ACID
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