(S,S)-2,3-Butanediol
Synonym(s):(S,S)-2,3-Butanediol
- CAS NO.：19132-06-0
- Empirical Formula: C4H10O2
- Molecular Weight: 90.12
- MDL number: MFCD00063648
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:26:05
What is (S,S)-2,3-Butanediol?
Chemical properties
SLIGHTLY YELLOW OILY LIQUID
The Uses of (S,S)-2,3-Butanediol
(S,S)-2,3-Butanediol is the (S,S)-isomer of 2,3-Butanediol (B690020), a naturally occurring compound found in cocoa butter.
Definition
ChEBI: The (S,S) diastereoisomer of butane-2,3-diol.
General Description
L-(+)-2,3-Butanediol is a stereoisomer of 2,3-Butanediol (2,3-BD). 2,3-BD may be used in the production of antifreeze solvents, extraction solvents, butadiene, polymers, polyurethane and diacetyl and may also be used as a fuel.
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.]
Properties of (S,S)-2,3-Butanediol
| Melting point: | 20°C |
| Boiling point: | 179-182 °C (lit.) |
| alpha | 13 º (c=neat) |
| Density | 0.987 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 185 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Oily Liquid |
| pka | 14.67±0.20(Predicted) |
| color | Slightly yellow |
| Specific Gravity | 0.987 |
| PH | 9-10 (500g/l, H2O, 20℃) |
| explosive limit | 3.1-11.4%(V) |
| optical activity | [α]20/D +13°, neat |
| Water Solubility | soluble |
| BRN | 1718899 |
| Stability: | hygroscopic |
| CAS DataBase Reference | 19132-06-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,3-Butanediol, [S-(R*,R*)]-(19132-06-0) |
Safety information for (S,S)-2,3-Butanediol
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for (S,S)-2,3-Butanediol
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