Melting point :140°C
Density :3.197 g/mL at 25 °C(lit.)
storage temp. :Store at RT.
form :Crystalline
Water Solubility :Soluble in water.
Exposure limits :ACGIH: TWA 2 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3 InChI :1S/2K.3H2O.3O.Sn/h;;3*1H2;;;;/q2*+1;;;;;2*-1;
InChIKey :HTHDWDSBYOUAFF-UHFFFAOYSA-N
SMILES :O.O.O.[K+].[K+].[O-][Sn]([O-])=O
EPA Substance Registry System :Potassium stannate trihydrate (12125-03-0)

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:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. 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. P321 Specific treatment (see … on this label). P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P362 Take off contaminated clothing and wash before reuse.