Melting point :196-198 °C(lit.)
Boiling point :331.89°C (rough estimate)
Density :1.1985 (rough estimate)
refractive index :78 ° (C=5, 1mol/L HCl)
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
solubility :almost transparency[in 1mol/L HCl]
solubility :almost transparency in 1mol/L HCl
form :powder to crystal
pka :9.96±0.15(Predicted)
color :White to Orange to Green
optical activity :[α]20/D +76°, c = 4.2 in 1 M HCl
BRN :2808635
CAS DataBase Reference :7662-51-3(CAS DataBase Reference)
EPA Substance Registry System :L-Tyrosine, hydrazide (7662-51-3)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.