Melting point :300 °C (lit.)
Density :2,703 g/cm³
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
form :powder to crystal
color :White to Almost white
Specific Gravity :2.703
Water Solubility :Soluble in water.
Hydrolytic Sensitivity :0: forms stable aqueous solutions
BRN :3567418
InChI :InChI=1S/C4H6O2.Na/c1-3(2)4(5)6;/h1H2,2H3,(H,5,6);/q;+1/p-1
InChIKey :SONHXMAHPHADTF-UHFFFAOYSA-M
SMILES :C(=C)(C)C([O-])=O.[Na+]
CAS DataBase Reference :5536-61-8(CAS DataBase Reference)
EPA Substance Registry System :Sodium methacrylate (5536-61-8)

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.