Melting point :125-128 °C (lit.)
Boiling point :111.6±23.0 °C(Predicted)
Density :1.420 (estimate)
refractive index :1.5605 (estimate)
storage temp. :Keep in dark place,Inert atmosphere,2-8°C
solubility :Chloroform (Slightly), Methanol (Slightly), Water (Slightly)
form :solid
pka :0.70±0.20(Predicted)
color :White to Off-White
Sensitive :Air Sensitive
CAS DataBase Reference :13183-79-4(CAS DataBase Reference)
EPA Substance Registry System :5H-Tetrazole-5-thione, 1,2-dihydro-1-methyl- (13183-79-4)

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.