1,2-BUTANEDIOL
1,2-BUTANEDIOL Basic information
1,2-BUTANEDIOL Chemical Properties
Melting point -50 °C alpha -0.2～+0.2°(20℃/D)(neat) Boiling point 191-192 °C/747 mmHg (lit.) density 1.006 g/mL at 25 °C (lit.) vapor pressure 10-2130Pa at 20℃ refractive index n 20/D 1.438(lit.)Fp 200 °F pka 14.49±0.20(Predicted) form clear liquid color Colorless to Light yellow Water Solubility 100-1000g/L at 25℃ BRN 969169 LogP -0.34-0.3 at 25℃ CAS DataBase Reference 584-03-2(CAS DataBase Reference) EPA Substance Registry System 1,2-Butanediol (584-03-2)
1,2-BUTANEDIOL Usage And Synthesis
Chemical Properties clear colorless liquid Uses 1,2-Butanediol was used in the synthesis of (R )-2-hydroxybutyric acid. Definition ChEBI: A butanediol in which the two hydroxy groups are located at positions 1 and 2. Flammability and Explosibility Nonflammable Safety Profile Moderately toxic by
ingestion. Combustible when exposed to
heat or flame. To fight fire, use alcohol
foam. When heated to decomposition it
emits acrid and irritating fumes.
1,2-BUTANEDIOL Preparation Products And Raw materials
Preparation Products 1-BROMO-2-BUTANOL -->2-OXOBUTANALDEHYDE -->2-Hydroxypropanoic acid -->Methanol -->Propylene glycol -->2,4-Diethyl-1,3,2-dioxaborolane
Polymer of DDS,TPS,BD
1,3-Butanediol, polymer with 1,6-diisocyanatohexane 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol, methyloxirane and oxirane
1,4-Benzenedicarboxylicacid,dimethylester,polymerwith1,4-butanedio 2-Oxepanone,polymerwith1,4-butanedio
1,4-Butanediol, polymer with 1,3-diisocyanatomethylbenzene and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl), Me Et ketone oxime-blocked Hexanedioic acid,polymer with 1,4-butanediol,1,2-ethanediol,1,1'-methylenebis[4-isocyanatobenzene] and 2-oxepanone
Nonanedioic acid, polymer with 1,4-butanediol, 1,4-cyclohexanedimethanol, hexanedioic acid and 1,1'-methylenebis[4-isocyanatobenzene] edioic acid and 1,1'-methylenebis[4-isocyanatobenzene Hexandioic acid, polymer with 1,4-butandiol, 1,3-diisocyanatomethyl-benzene, 1,2-ethandiol and 1,1'-methylenebis(4-isocyanatobenzene)
1,3-Benzenedicarboxylic acid, polymer with 1,4-butanediol, dimethyl 1,4-benzenedicarboxylate and 1,6-hexanediol Adipic acid, polyester with 1,3-butanediol, 2,2-dimethyl-1,3-propanediol and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol
Hexanedioic acid, polymer with 1,4-butanediol, 1,2-ethanediol, 1,1'-methylenebis[4-isocyanatobenzene] and .alpha.,.alpha.'-[(1-methylethylidene)di-4,1-phenylene]bis[.omega.-hydroxypoly(oxy-1,2-ethanediyl)] Hexanedioic acid, polymer with 1,3-butanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,3-isobenzofurandione
Adipic acid, 1,3-butylene glycol polymer, isodecyl alcohol modified (S)-(-)-2-METHYL-1,4-BUTANEDIOL,(S)-2-METHYL-1,4-BUTANEDIOL
Hexanedioic acid, polymer with 1,4-butanediol, 1,1'-methylenebis[4-isocyanatobenzene], methyloxirane and oxirane Hexanedioic acid, polymer with butanediol, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediamine, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid and1,1'-methylenebis[4-isocyanatocyclohexane], compd. with 2-(dimethylamino)ethanol
2,3-butanediol (meso)
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