Melting point :112-114 °C (lit.)
Boiling point :292.77°C (rough estimate)
Density :1.5633 (rough estimate)
refractive index :1.4016 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :DMSO (Slightly), Methanol (Slightly)
form :Solid
pka :pK1:2.90(0);pK2:5.55(+1) (25°C)
color :Off-White
Water Solubility :Soluble in water, methanol (very faint turbidity), and ethanol.
BRN :774334
InChI :1S/C5H8O4/c1-2-3(4(6)7)5(8)9/h3H,2H2,1H3,(H,6,7)(H,8,9)
InChIKey :UKFXDFUAPNAMPJ-UHFFFAOYSA-N
SMILES :CCC(C(O)=O)C(O)=O
CAS DataBase Reference :601-75-2(CAS DataBase Reference)
NIST Chemistry Reference :Ethylmalonic acid(601-75-2)

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.