Melting point :242-244 °C (dec.) (lit.)
Boiling point :296.48°C (rough estimate)
Density :1.2954 (rough estimate)
refractive index :1.6900 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :Soluble in DMSO (up to 50 mg/ml) or in Water (up to 4 mg/ml with warming)
form :solid
pka :13.67±0.30(Predicted)
color :Beige
Stability :Stable for 1 year from date of purchase as supplied. Solutions in DMSO or distilled water may be stored at -20°C for up to 3 months.
CAS DataBase Reference :5418-95-1(CAS DataBase Reference)
EPA Substance Registry System :Guanidine, 1H-benzimidazol-2-yl- (5418-95-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 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 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.