DL-2-Aminobutyric acid

What is DL-2-Aminobutyric acid?

Off-White Solid

A descriptor amino acid QSARs peptide

ChEBI: An alpha-amino acid that is butyric acid bearing a single amino substituent located at position 2.

Can be isolated from natural proteins. It is present in the tendon of the sperm whale and along wit h many ot tm” artima 1 proteins.

Crystallise the acid from water. [Albertson & McKay J Am Chem Soc 81 505 1959, Perrin J Chem Soc 3125 1958, Beilstein 4 IV 2584.]

Melting point:	291 °C (dec.)(lit.)
Boiling point:	215.2±23.0 °C(Predicted)
alpha	[α]D20 0.0±0.1° (c=10, H2O)
Density	1.2300
refractive index	1.4650 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	210g/l
form	Crystalline Powder
pka	2.29(at 25℃)
color	White
Odor	a very faint caramellic-sweet odor.
Water Solubility	almost transparency
Merck	14,428
BRN	635889
CAS DataBase Reference	2835-81-6(CAS DataBase Reference)
NIST Chemistry Reference	DL-2-Aminobutyric acid(2835-81-6)
EPA Substance Registry System	2-Aminobutyric acid (2835-81-6)

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P312:Call a POISON CENTER or doctor/physician if you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P403+P233:Store in a well-ventilated place. Keep container tightly closed.