CHEMICAL NAME  | α-L-aspartyl-L-phenylalaninemethyl ester  | STRUCTURAL FORMULA  | |
MOLECULARFORMULA  | MOLECULAR WEIGHT  | CAS No.  | 
  | 
C4H7NO4  | 102.09  | 7331-52-4  | |
DESCRIPTION:  | Colorlessor light-yellow liquid, soluble in water, alcohol and other organic solvent andinsoluble in light petroleum.  | ||
SPECIFICATION
A  | B  | |
Assay(HPLC):  | ≥97%  | ≥90%  | 
Optical Purity(e.e%):  | ≥99%  | ≥99%  | 
Specific Rotation (c=1,EtOH)  | -84%~-86%  | -75° ±5°  | 
Packing:
25kg, 50kg and 200kg barrels or according to customer requirements
Storage conditions:
Store in normal temperature and dry warehouse. Damp proof, sun proof, rain proof, and prevent mixing with harmful substances
Safety precautions:
Use personal protective equipment. Avoid inhalation and contact with eyes and skin. Ensure good ventilation / exhaust workplace. Wash hands immediately after use.
Transportation conditions:
According to ADR / rid, IMDG, ICAO / IATA, the substance is not dangerous goods
Uses:
1,2,3,4-Butanetetracarboxylic acid (BTCA) is a perfect formaldehyde-free durable press(DP) finishing agent.
It has high activity of reaction and no irritant odor. Processed by BTCA,fabrics such as cotton and silk can achieve properties including anti-cease,permanent press and keeping shape and are of high tenacity.
(S) -Oxiracetam. S (-)-3-hydroxy-γ-butyrolactone can be deoxidized to (S) -3-hydroxy-tetrahydrofurane which is an important intermediate of anti-AIDS drugs.