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Cas Database |
| Name |
DL-2-Aminobutyric acid |
EINECS | 220-616-5 |
| CAS No. | 2835-81-6 | Density | 1.105 g/cm3 |
| PSA | 63.32000 | LogP | 0.50860 |
| Solubility | N/A | Melting Point |
291 °C (dec.)(lit.) |
| Formula | C4H9NO2 | Boiling Point | 215.2 °C at 760 mmHg |
| Molecular Weight | 103.121 | Flash Point | 83.9 °C |
| Transport Information | N/A | Appearance | Off-white solid |
| Safety | 22-24/25-36-26 | Risk Codes | 20/21/22-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
Butyric acid, 2-amino-, DL- (8CI);Butyric acid,2-amino-, dl- (5CI);Butyric acid, a-amino- (3CI);alpha-Aminobutyric acid;2-Amino-n-butyric acid;2-Aminobutanoic acid;2-Aminobutyric acid;AABA;Butyrine;DL-2-Amino-n-butyricacid;DL-2-Aminobutanoic acid;DL-Butyrine;DL-Ethylglycine;DL-a-Amino-n-butyric acid;DL-a-Aminobutanoic acid;DL-a-Aminobutyric acid;Homoalanine;dl-a-Amino-n-butyricacid;a-Amino-n-butyric acid;a-Aminobutyric acid; |
Article Data | 98 |
DL-2-Aminobutyric acid Chemical Properties
Molecular Structure of alpha-Aminobutyric acid (CAS NO.2835-81-6):
.png)
IUPAC Name: 2-azaniumylbutanoate
Empirical Formula: C4H9NO2
Molecular Weight: 103.1198
H bond acceptors: 3
H bond donors: 3
Freely Rotating Bonds: 3
Polar Surface Area: 29.54Å2
Index of Refraction: 1.462
Molar Refractivity: 25.63 cm3
Molar Volume: 93.2 cm3
Surface Tension: 43.5 dyne/cm
Density: 1.105 g/cm3
Flash Point: 83.9 °C
Enthalpy of Vaporization: 49.75 kJ/mol
Boiling Point: 215.2 °C at 760 mmHg
Vapour Pressure: 0.0579 mmHg at 25°C
Melting point: 291 °C (dec.)(lit.)
Merck: 14,428
BRN: 635889
InChI
InChI=1/C4H9NO2/c1-2-3(5)4(6)7/h3H,2,5H2,1H3,(H,6,7)
Smiles
C([C@@H](CC)N)(O)=O
EINECS: 220-616-5
Product Categories: Pharmaceutical Intermediates; Starting Raw Materials & Intermediates; Amino Acids; Amino Acids & Derivatives; Chiral Reagents; Isotope Labeled Compounds; Alanine Derivatives; Peptide Synthesis; Unnatural Amino Acid Derivatives
DL-2-Aminobutyric acid Safety Profile
Hazard Codes: 
Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25-36-26
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
S36:Wear suitable protective clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
HS Code: 29224995
DL-2-Aminobutyric acid Specification
alpha-Aminobutyric acid , with CAS number of 2835-81-6, can be called 2-Aminobutyric acid ; DL-2-Amino-n-butyric acid ; DL-alpha-Amino-n-butyric acid ; DL-alpha-Amino-n-butyric acid (beta-form) . It is an off-white solid, used as a descriptor amino acid QSARs peptide.
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