Cas:110-65-6 Trade name boz Chemical name 1, 4-butynediol 1, 4-dimethoxyacetylene Bis(hydroxymethyl)acetylene Structure formula hoch2c, ?¡cch2oh Molecular formula c4h6o2 Mf: c4h6o2 Mw: 86.09 Density: 1.20 g/cm3 (20 , °c): Bp: 238 , °c Melting point 42-52, °c Water solubility : 3740 g/l(20 , °c) Einecs: 203-788-6 Assay 98% Appearance white crystalline powder Acetaldehydecontent 0.5% Usage 0.1-0.3g/l Storage: store at 2-4 , °c Hs code: 29053980 Application: 2-butine-1, 4-diol(110-65-6) is used as basic brightener in nickel electroplating baths, it is also an important intermediate for organic synthesis. Package:25 kgs/ drum Hbops-na(3-(2-butyne-1-ol)-sulfopropyl ether, sodium salt) Cas: 90268-78-3 Trade name:hbops-na Chemical name:3-(2-butyne-1-ol)-sulfopropyl ether, sodium salt Molecular formula:c7h11o5sna Molecular weight:230.2 Cas no.:90268-78-3 Assay:50% Appearance:brown yellow transparent liquid Related density, 20, °c:1.11-1.16 Ph value:10.5-11.5 Refractive index, 20, °c:1.4720-1.4840 Application:as an acetylenic compound , it is used as leveling agent and secondary brightener in the formulation of electrolytic watts bright nickel baths. It is usually combined with saccarin, pps, ppsoh.