Melting point :37-41 °C (lit.)
Boiling point :208 °C (lit.)
Density :1.124 g/mL at 25 °C (lit.)
vapor pressure :4.05Pa at 20℃
refractive index :1.4457 (estimate)
Flash point :213 °F
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :Chloroform (Slightly), Ethyl Acetate (Slightly)
form :Crystalline Low Melting Mass or Liquid
Specific Gravity :1.124
color :White
Water Solubility :slightly soluble
BRN :386674
InChIKey :ZWWQRMFIZFPUAA-UHFFFAOYSA-N
LogP :0.86 at 25℃
CAS DataBase Reference :617-52-7(CAS DataBase Reference)
NIST Chemistry Reference :Butanedioic acid, methylene-, dimethyl ester(617-52-7)
EPA Substance Registry System :Butanedioic acid, 2-methylene-, 1,4-dimethyl ester (617-52-7)

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.