The L-Aspartic acid, with the CAS registry number 56-84-8,is also known as L(+)-Aspartic acid; L-2-Aminobutanedioic acid; L-Aminosuccinic acid. It belongs to the product categories of pharmaceutical intermediate;sweetener. This chemical's molecular formula is C₄H₇NO₄ and molecular weight is 133.10.Its EINECS number is 200-291-6. What's more,Its systematic name is L-Aspartic acid. It is a White crystalline powder which is used for synthetic sweetener. In medicine, it is used in the treatment of heart disease, and it also used as liver promoting agents, AMMONIA antidote, elimination fatigue,  amino acid composition infusion, ect.It is one of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.

L-Aspartic acid has the following datas:
(1)ACD/LogP:  -1.075; (2)# of Rule of 5 Violations:  0; (3)ACD/LogD (pH 5.5):  -4.50; (4)ACD/LogD (pH 7.4):  -4.58; (5)ACD/BCF (pH 5.5):  1.00; (6)ACD/BCF (pH 7.4):  1.00; (7)ACD/KOC (pH 5.5):  1.00; (8)ACD/KOC (pH 7.4):  1.00; (9)#H bond acceptors:  5; (10)#H bond donors:  4; (11)#Freely Rotating Bonds:  4; (12)Index of Refraction:  1.531; (13)Molar Refractivity:  27.203 cm³; (14)Molar Volume:  87.868 cm³; (15)Surface Tension:  78.2060012817383 dyne/cm; (16)Density:  1.515 g/cm³; (17)Flash Point:  113.536 °C; (18)Enthalpy of Vaporization:  55.259 kJ/mol; (19)Boiling Point:  264.121 °C at 760 mmHg; (20)Vapour Pressure:  0.00300000002607703 mmHg at 25°C.

You could convert the following datas into the molecular structure:
(1)SMILES:C([C@@H](C(=O)O)N)C(=O)O;
(2)Std. InChI:InChI=1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)/t2-/m0/s1;
(3)Std. InChIKey:CKLJMWTZIZZHCS-REOHCLBHSA-N.

Toxicity of L-Aspartic acid is as follows :

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	6gm/kg (6000mg/kg)		Pharmaceutical Chemistry Journal Vol. 25, Pg. 569, 1991.

 Safety Information of L-Aspartic acid:
The L-Aspartic acid is Irritating to eyes, respiratory system and skin and harmful by inhalation, in contact with skin and if swallowed. When you use it ,wear suitable protective clothing,avoid contact with skin and eyes and do not breathe dust.  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.