L-Aspartic Acid 56-84-8 99%
L-Aspartic acid Chemical Properties
Melting point >300 °C (dec.)(lit.)
alpha 25 º (c=8, 6N HCl)
Boiling point 245.59°C (rough estimate)
density 1.66
FEMA 3656 | L-ASPARTIC ACID
refractive index 1.4540 (estimate)
storage temp. Store at RT.
solubility H2O: 5 mg/mL
form powder
pka 1.99(at 25℃)
color White
PH 2.5-3.5 (4g/l, H2O, 20℃)
Odor acid taste
optical activity [α]20/D +24.7±1°, c = 5% in 5 M HCl
Water Solubility 5 g/L (25 ºC)
λmax λ: 260 nm Amax: 0.20
λ: 280 nm Amax: 0.10
JECFA Number 1429
Merck 14,840
BRN 1723530
Stability: Stable. Combustible. Incompatible with strong oxidising agents.
InChIKey CKLJMWTZIZZHCS-REOHCLBHSA-N
CAS DataBase Reference 56-84-8(CAS DataBase Reference)
NIST Chemistry Reference Aspartic acid(56-84-8)
EPA Substance Registry System Aspartic acid (56-84-8)
L-Aspartic acid Basic information
Chemical Properties Uses Production
Product Name: L-Aspartic acid
Synonyms: L-Aspartic acidUSP, 98.5-101.5% (Titration: anhydrous basis);(s)-butanedioicaci;alpha-Aminosuccinic acid;Asparagic acid;asparagicacid;Asparaginic acid;asparaginicacid;asparaginsaeure
CAS: 56-84-8
MF: C4H7NO4
MW: 133.1
EINECS: 200-291-6
Mol File: 56-84-8.mol
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36-36/37/38-20/21/22
Safety Statements 26-24/25-22-36
WGK Germany 2
RTECS CI9098500
F 10
TSCA Yes
HazardClass IRRITANT
HS Code 29224995
Hazardous Substances Data 56-84-8(Hazardous Substances Data)
Toxicity LD50 intraperitoneal in mouse: 6gm/kg
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