Melting point :-20°C
Boiling point :190-191 °C18 mm Hg(lit.)
Density :1.19 g/mL at 25 °C(lit.)
refractive index :n20/D 1.473(lit.)
Flash point :188°C
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :DMSO, Water
form :Oil
pka :14.02±0.20(Predicted)
color :Clear Colourless
Sensitive :Hygroscopic
BRN :1733456
Henry's Law Constant :7.1×10⁵ mol/(m³Pa) at 25℃, Wang et al. (2017)
InChI :1S/C4H10O3/c5-2-1-4(7)3-6/h4-7H,1-3H2
InChIKey :ARXKVVRQIIOZGF-UHFFFAOYSA-N
SMILES :OCCC(O)CO
CAS DataBase Reference :3068-00-6(CAS DataBase Reference)
NIST Chemistry Reference :HOCH2CH(OH)CH2CH2OH(3068-00-6)
EPA Substance Registry System :1,2,4-Butanetriol (3068-00-6)

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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.