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D-Histidine Structure

D-Histidine

Chemical Properties

Melting point 280 °C
alpha  -12 º (c=11, 6N HCl)
Boiling point 278.95°C (rough estimate)
Density  1.3092 (rough estimate)
refractive index  -13 ° (C=11, 6mol/L HCl)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  1 M HCl: soluble
pka 1.91±0.10(Predicted)
form  Free-Flowing Powder
color  White
Water Solubility  42 g/L (25 ºC)
Merck  14,4720
BRN  84089
Stability Hygroscopic
LogP -1.270
CAS DataBase Reference 351-50-8(CAS DataBase Reference)
FDA UNII 4JE5HRM5CH
EPA Substance Registry System D-Histidine (351-50-8)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H314
Precautionary statements P264b-P271-P280-P301+P330+P331-P304+P340-P305+P351+P338-P310-P363-P403+P233-P501c
Hazard Codes  Xn
Safety Statements  22-24/25-36/37-26
WGK Germany  3
TSCA  Yes
HS Code  29332900
NFPA 704:
1
0 0

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