Melting point :-63.6 °C (lit.)
Boiling point :128.9 °C (lit.)
Density :0.926 g/mL at 25 °C (lit.)
refractive index :n20/D 1.441(lit.)
Flash point :97 °F
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :Miscible with alcohols and organic solvents. Immiscible with aliphatic hydrocarbon solvents.
form :Liquid
pka :14.22±0.10(Predicted)
Specific Gravity :0.972
color :Clear colorless to light yellow
BRN :773710
Stability :Stable. Substances to be avoided include oxidizing agents, acids and acid anhydrides, copper and copper alloys. Flammable.
InChIKey :OTJZCIYGRUNXTP-UHFFFAOYSA-N
LogP :0.130 (est)
CAS DataBase Reference :927-74-2(CAS DataBase Reference)
NIST Chemistry Reference :3-Butyn-1-ol(927-74-2)
EPA Substance Registry System :3-Butyn-1-ol (927-74-2)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning 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:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 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.