CAS No: 110-65-6, Chemical Name: 2-Butyne-1,4-diol
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110-65-6 2-Butyne-1,4-diol

product Name 2-Butyne-1,4-diol
Synonyms 1,4-Dihydroxy-2-butyne; 1,4-Butynediol; but-2-yne-1,4-diol; butynediol; 1,4-butyne diol; BOZ; butyne-1.4-diol; 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; butynediol-1,4(french); Dihydroxydimethylacetylene; 1,4-BUTENEDIOL; 1,2-DIHYDROXYDIMETHYLACETYLENE; but-1-yne-1,4-diol; but-2-yne-1,1-diol
Molecular Formula C4H6O2
Molecular Weight 86.0892
InChI InChI=1/C4H6O2/c1-2-3-4(5)6/h4-6H,1H3
CAS Registry Number 110-65-6
EINECS 203-788-6
Molecular Structure 110-65-6 2-Butyne-1,4-diol
Density 1.175g/cm3
Melting point 54-58℃
Boiling point 174.2°C at 760 mmHg
Refractive index 1.501
Flash point 78.3°C
Water solubility 3740 g/L (20℃)
Vapour Pressur 0.38mmHg at 25°C
Hazard Symbols  T:Toxic;
Risk Codes R21:;
R23/25:;
R34:;
R43:;
R48/22:;
Safety Description S25:;
S26:;
S36/37/39:;
S45:;
S46:;