2-Butyne-1,4-diol Basic information 
Product Name: 2-Butyne-1,4-diol 
Synonyms: 1,4-butinodiol;1,4-Dimethoxyacetylene;2-Butin-1,4-diol;2-butin-1,4-diol(czechoslovakia);2-Butine-1,4-diol;2-Butynediol;agrisynthb3d;Bis(hydroxymethyl)acetylene 
CAS: 110-65-6 
MF: C4H6O2 
MW: 86.09 
EINECS: 203-788-6 
Product Categories: Pharmaceutical Intermediates;Acetylenes;Acetylenic Alcohols & Their Derivatives;Alkynes;

Internal;Organic Building Blocks 
2-Butyne-1,4-diol Chemical Properties 
mp  54 °C 
bp  238 °C(lit.)
density  1.2  
vapor pressure  <0.1 mm Hg ( 55 °C)
refractive index  1.4804  
Fp  306 °F
storage temp.  Refrigerator 
color  slightly brown
 
Water Solubility  3740 g/L (20 ºC) 
Nickel plating of brightening agent, weak leveling agent