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
optical activity :37.9°(C=1.00g/100mL H2O)
Water Solubility :42 g/L (25 ºC)
Merck :14,4720
BRN :84089
Stability :Hygroscopic
Major Application :detection
peptide synthesis InChI :1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m1/s1
InChIKey :HNDVDQJCIGZPNO-RXMQYKEDSA-N
SMILES :N[C@H](Cc1c[nH]cn1)C(O)=O
LogP :-1.270
CAS DataBase Reference :351-50-8(CAS DataBase Reference)
EPA Substance Registry System :D-Histidine (351-50-8)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:	P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P310 Immediately call a POISON CENTER or doctor/physician. P363 Wash contaminated clothing before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed.