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| | (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;Organic Building Blocks;Analytical Chemistry;Chiral Building Blocks;e.e. / Absolute Configuration Determination (NMR);Chiral Compounds;Diols | | 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 | n20/D 1.433 | | 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 Rotation | [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. | | Cosmetics Ingredients Functions | SOLVENT
FRAGRANCE
HUMECTANT
SKIN CONDITIONING | | InChI | 1S/C4H10O2/c1-3(5)4(2)6/h3-6H,1-2H3/t3-,4-/m1/s1 | | InChIKey | OWBTYPJTUOEWEK-QWWZWVQMSA-N | | SMILES | C[C@@H](O)[C@@H](C)O | | 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) |
| Hazard Codes | Xi | | Safety Statements | 24/25 | | RIDADR | NA1993 | | WGK Germany | 3 | | F | 3-10 | | HazardClass | CBL | | HS Code | 29053980 | | Storage Class | 10 - Combustible liquids |
| | (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 | Not classified | | 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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