Melting point :121-125 °C(lit.)
Boiling point :273.17°C (rough estimate)
Density :1.2100 (rough estimate)
refractive index :1.5860 (estimate)
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
pka :pK1: 1.85;pK2: 3.47;pK3: 12.80 (25°C)
form :powder to crystal
color :White to Gray to Brown
Sensitive :Light Sensitive
BRN :742811
CAS DataBase Reference :1904-58-1(CAS DataBase Reference)
EPA Substance Registry System :Benzoic acid, 2-amino-, hydrazide (1904-58-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. 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.