Levodopa 59-92-7 99%
Levodopa Chemical Properties
Melting point 276-278 °C (lit.)
alpha -11.7 º (c=5.3, 1N HCl)
Boiling point 334.28°C (rough estimate)
density 1.3075 (rough estimate)
refractive index -12 ° (C=5, 1mol/L HCl)
storage temp. 2-8°C
solubility Slightly soluble in water, practically insoluble in ethanol (96 per cent). It is freely soluble in 1 M hydrochloric acid and sparingly soluble in 0.1 M hydrochloric acid .
pka 2.32(at 25℃)
form Crystalline Powder
color White to creamy
Water Solubility Slightly soluble in water, dilute hydrochloric acid and formic acid. Insoluble in ethanol.
Merck 14,5464
BRN 2215169
Stability: Stable. Incompatible with strong oxidizing agents. Light and air sensitive.
InChIKey WTDRDQBEARUVNC-LURJTMIESA-N
CAS DataBase Reference 59-92-7(CAS DataBase Reference)
NIST Chemistry Reference Levodopa(59-92-7)
EPA Substance Registry System Levodopa (59-92-7)
Levodopa Basic information
Product Name: Levodopa
Synonyms: 2-amino-3-(3,4-dihydroxyphenyl)propanoicacid;3,4-Dihydroxyphenylalanine(form2);3,4-Dihydroxyphenyl-L-alanine;3,4-DIHYDROXY-L-PHENYLALANINE;3,4-L-DIHYDROXYPHENYLALANINE;3-(3,4-DIHYDROXYPHENYL)-L-ALANINE;3-HYDROXY-L-TYROSINE;BETA-(3,4-DIHYDROXYPHENYL)-L-ALANINE
CAS: 59-92-7
MF: C9H11NO4
MW: 197.19
EINECS: 200-445-2
Mol File: 59-92-7.mol
Safety Information
Hazard Codes Xn
Risk Statements 22-36/37/38-20/21/22
Safety Statements 26-36-24/25
WGK Germany 3
RTECS AY5600000
F 10-23
TSCA Yes
HS Code 29225090
Hazardous Substances Data 59-92-7(Hazardous Substances Data)
Toxicity LD50 in mice (mg/kg): 3650 ±327 orally, 1140 ±66 i.p., 450 ±42 i.v., >400 s.c.; in male, female rats (mg/kg): >3000, >3000 orally; 624, 663 i.p.; >1500, >1500 s.c. (Clark)
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