(2R,4R)-(-)-PENTANEDIOL
- CAS NO.：42075-32-1
- Empirical Formula: C5H12O2
- Molecular Weight: 104.15
- MDL number: MFCD00063893
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:23:26
What is (2R,4R)-(-)-PENTANEDIOL?
Chemical properties
Colorless to light yellow liqui
The Uses of (2R,4R)-(-)-PENTANEDIOL
Acetalization reagent for ketones and β-keto esters. Used in the synthesis of optically active polyesters. C2 symmetric chiral diol with versatile applications as a chiral auxiliary, building block, and chiral ligand.
Properties of (2R,4R)-(-)-PENTANEDIOL
| Melting point: | 48-50 °C(lit.) |
| Boiling point: | 111-113 °C19 mm Hg(lit.) |
| alpha | -41.2° (c 10, CHCl3) |
| Density | 0.9917 (rough estimate) |
| refractive index | -53.5 ° (C=10, EtOH) |
| Flash point: | 215 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | almost transparency in EtOH |
| form | crystal |
| pka | 14.74±0.20(Predicted) |
| color | white |
| optical activity | [α]21/D 40.4°, c = 10 in chloroform |
| BRN | 4290613 |
| Stability: | hygroscopic |
| CAS DataBase Reference | 42075-32-1(CAS DataBase Reference) |
Safety information for (2R,4R)-(-)-PENTANEDIOL
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (2R,4R)-(-)-PENTANEDIOL
| InChIKey | GTCCGKPBSJZVRZ-RFZPGFLSSA-N |
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