BDO is the short name of 1,4-Butanediol, it is a kind of colorless viscous oil-like liquid, combustible and can mixing with water. With freezing point of 20.1 درجه c, boiling point of 228 درجه c,171 درجه c(13.3kPa),120 درجه c(1.33kPa),86 درجه c(0.133kPa, the relative density of 1.0171(20/4 درجه c). The index of refraction is 1.461, flash point is 121 درجه c. …