Melting point :1088°C
Density :2.61
refractive index :1.52
storage temp. : Store at room temperature
form :Solid
color :White
PH :12,5 (in aqueous solution: 10 g /l , 20 °C)
Odor :odourless
Water Solubility :Soluble in cold water.
Merck :14,8642
InChI :1S/2Na.O3Si.5H2O/c;;1-4(2)3;;;;;/h;;;5*1H2/q2*+1;-2;;;;;
InChIKey :ADPGKKZKGXANON-UHFFFAOYSA-N
SMILES :O.O.O.O.O.[Na+].[Na+].[O-][Si]([O-])=O
CAS DataBase Reference :10213-79-3(CAS DataBase Reference)
EPA Substance Registry System :Silicic acid (H2SiO3), disodium salt, pentahydrate (10213-79-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.