Melting point :208-210 °C (dec.) (lit.)
Boiling point :274.61°C (rough estimate)
Density :1.2804 (rough estimate)
refractive index :1.5200 (estimate)
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
form :Powder
pka :5.02±0.10(Predicted)
color :Brown
Water Solubility :Soluble in water (2.2 mg/ml at 20°C), DMF, and methanol (10 mg/ml).
BRN :775892
Major Application :peptide synthesis
Cosmetics Ingredients Functions :HAIR DYEING
InChI :InChI=1S/C7H8N2O2/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3H,8-9H2,(H,10,11)
InChIKey :HEMGYNNCNNODNX-UHFFFAOYSA-N
SMILES :C(O)(=O)C1=CC=C(N)C(N)=C1
LogP :0.130
CAS DataBase Reference :619-05-6(CAS DataBase Reference)

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. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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. P405 Store locked up.