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DL-Leucine Structure

DL-Leucine

Chemical Properties

Melting point 293-296 °C (subl.) (lit.)
Boiling point 225.8±23.0 °C(Predicted)
alpha  [α]D20 -3.0～+3.0゜ (c=4, HCl)
Density  1,293 g/cm3
refractive index  1.4630 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  1 M HCl: soluble
form  Fine Crystalline Powder
pka pKa: 9.744(25°C)
color  White
Odor wh. sm. cryst. or cryst. powd., odorless, sl. bitter taste
Water Solubility  soluble
Merck  14,5451
BRN  636005
Stability Stable. Incompatible with strong oxidizing agents.
LogP 0.799 (est)
CAS DataBase Reference 328-39-2(CAS DataBase Reference)
FDA UNII 1QSS9D5DR6
NIST Chemistry Reference DL-Leucine(328-39-2)
EPA Substance Registry System Leucine (328-39-2)
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Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P305+P351+P338
Hazard Codes  Xn
Safety Statements  22-24/25-36
WGK Germany  3
TSCA  Yes
HS Code  29224995
NFPA 704:
1
0 0

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