| (R,R)-2,3-Butanediol Basic information |
| Product Name: | (R,R)-2,3-Butanediol |
| Synonyms: | (2R,3R)-(-)-2,3-Butanediol, 99+% ee, 98+%;(2R,3R)-(-)-2,3-Butanediol, 99+% ee, 98+% 1GR;(R,R)-(-)-2,3-Butylene Glycol (R,R)-(-)-2,3-Dihydroxybutane;(R,R)-(-)-2,3-BUTANEDIOL FOR SYNTHESIS;(2R,3R)-2,3-Dihydroxybutane;2,3-Butanediol,(2R,3R)-;(2R,3R)-(-)-2,3-Butanediol 97%;levo-2,3-Butanediol |
| CAS: | 24347-58-8 |
| MF: | C4H10O2 |
| MW: | 90.12 |
| EINECS: | 246-186-9 |
| Product Categories: | Polyols;Enantiomer Excess & Absolute Configuration Determination;Simple Alcohols (Chiral);Synthetic Organic Chemistry;Chiral Compound;Chiral Building Blocks;Chiral Compounds;Diols;Analytical Chemistry;Chiral Building Blocks;e.e. / Absolute Configuration Determination (NMR);Organic Building Blocks |
| Mol File: | 24347-58-8.mol |
| (R,R)-2,3-Butanediol Chemical Properties |
| Melting point | 16 °C |
| Boiling point | 77.3-77.4 °C/10 mmHg (lit.) |
| alpha | -13 º (neat) |
| density | 0.987 g/mL at 25 °C (lit.) |
| vapor pressure | 82.8Pa at 25℃ |
| refractive index | n |
| Fp | 185 °F |
| storage temp. | Sealed in dry,Store in freezer, under -20°C |
| form | Liquid |
| pka | 14.67±0.20(Predicted) |
| color | Clear colorless |
| optical activity | [α]23/D 13.2°, neat |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| Merck | 14,1568 |
| BRN | 4290593 |
| Stability: | Stable. Hygroscopic, air sensitive. Incompatible with strong oxidizing agents, acid anhydrides, acid chlorides, chloroformates, reducing agents. Combustible. |
| InChIKey | OWBTYPJTUOEWEK-QWWZWVQMSA-N |
| LogP | -0.72 at 22℃ |
| CAS DataBase Reference | 24347-58-8(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,3-Butanediol, [R-(R*,R*)]-(24347-58-8) |
| Safety Information |
| Hazard Codes | Xi |
| Safety Statements | 24/25 |
| WGK Germany | 3 |
| F | 3-10 |
| HS Code | 29053980 |
| MSDS Information |
| Provider | Language |
|---|---|
| (R,R)-Butane-2,3-diol | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| (R,R)-2,3-Butanediol Usage And Synthesis |
| Chemical Properties | colourless or slightly brown liquid |
| Uses | (2R,3R)-(-)-2,3-Butanediol is used as a chiral auxiliary, chiral ligand and building block. Cyclocondenses with ketones for (13)C NMR determination of optical purity. It is used in the resolution of carbonyl compounds in gas chromatography. |
| Uses | C2 symmetric chiral diol with versatile applications as a chiral auxiliary, building block, and chiral ligand. Cyclocondenses with ketones for 13C NMR determination of optical purity. |
| Definition | ChEBI: The (R,R) diastereoisomer of butane-2,3-diol. |
| General Description | (2R,3R)-(-)-2,3-Butanediol is a key building block in pharmaceutical industry. |
| Flammability and Explosibility | Notclassified |
| Purification Methods | Purify it by fractional distillation. The bis-(4-nitrobenzoate) has m 141-142o and [] (-) or (+) 52o (c 4 CHCl3). [Ghirardelli & Lucas J Am Chem Soc 79 734 1957, Rubin et al. J Am Chem Soc 74 425 1952, Neish Can J Res 27 6 1949, Neish & Ledingham Can J Res 27 694 1949, Beilstein 1 IV 2524-2525.] |
| (R,R)-2,3-Butanediol Preparation Products And Raw materials |
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