Melting point :3 °C
Boiling point :104 °C(lit.)
Density :0.868 g/mL at 25 °C(lit.)
vapor pressure :15 mm Hg ( 20 °C)
refractive index :n20/D 1.42(lit.)
Flash point :77 °F
storage temp. :Store below +30°C.
solubility :Fully miscible.
form :Powder or Crystals
pka :13.34±0.29(Predicted)
color :White to yellow-beige to brown
PH :7 (H2O, 20℃)
explosive limit :1.8-16%(V)
Water Solubility :miscible
Merck :14,6034
BRN :635746
Stability :Stable. Flammable. Incompatible with strong oxidizing agents.
LogP :0.318 at 20-25℃
CAS DataBase Reference :115-19-5(CAS DataBase Reference)
NIST Chemistry Reference :3-Butyn-2-ol, 2-methyl-(115-19-5)
EPA Substance Registry System :2-Methyl-3-butyn-2-ol (115-19-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention.