L-CYSTEIC ACID

Chemical Properties

Melting point	260℃ (dec.)
alpha	[α]D20 +7.5～+9.5° (c=7.4, H2O)
Density	1.775±0.06 g/cm3(Predicted)
refractive index	8 ° (C=5, H2O)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	Methanol (Slightly), Water (Slightly)
form	Powder or Crystalline Powder
pka	1.3(at 25℃)
color	White to off-white
Water Solubility	almost transparency
Merck	14,2780
CAS DataBase Reference	498-40-8(CAS DataBase Reference)
EPA Substance Registry System	L-Alanine, 3-sulfo- (498-40-8)