Other grades of this product :
| L-PANTOLACTONE Basic information |
| Product Name: | L-PANTOLACTONE | | Synonyms: | S(+)-3,3-DIMETHYL-2-HYDROXY-GAMMA-BUTYROLACTONE;S(+)-2-HYDROXY-3,3-DIMETHYL-GAMMA-BUTYROLACTONE;(S)-(+)-DIHYDRO-3-HYDROXY-4,4-DIMETHYL-2(3H)-FURANONE;(S)-DIHYDRO-3-HYDROXY-4,4-DIMETHYL-2(3H)-FURANONE;(S)-(+)-PANTOLACTONE;L-PANTOLACTONE;L-(+)-PANTOYL LACTONE;L-(+)-2-HYDROXY-3,3-DIMETHYL-GAMMA-BUTYROLACTONE | | CAS: | 5405-40-3 | | MF: | C6H10O3 | | MW: | 130.14 | | EINECS: | 626-470-2 | | Product Categories: | | Mol File: | 5405-40-3.mol |
| L-PANTOLACTONE Chemical Properties |
| Melting point | 90-94 °C | | Boiling point | 120-122 °C/15 mmHg(lit.) | | density | 1.1066 (rough estimate) | | vapor pressure | 8.44Pa at 25℃ | | refractive index | 1.4730 (estimate) | | storage temp. | 2-8°C | | solubility | Chloroform (Slightly), Methanol (Slightly), Water (Slightly) | | form | Solid | | pka | 13.12±0.40(Predicted) | | color | White to Off-White | | optical activity | [α]22/D +50.0°, c = 0.5 in H2O | | Water Solubility | Soluble in water, hardly soluble in alcohol. | | BRN | 4659425 | | LogP | -0.69 at 21℃ and pH6.3-6.5 | | Surface tension | 71.69mN/m at 1g/L and 20℃ | | CAS DataBase Reference | 5405-40-3(CAS DataBase Reference) |
| Hazard Codes | Xi | | Risk Statements | 41 | | Safety Statements | 26-39 | | WGK Germany | 3 | | F | 3-10 | | HS Code | 2932190090 |
| L-PANTOLACTONE Usage And Synthesis |
| Uses | (S)?-?(+)?-?Pantolactone is a versatile cyclic ester reactant used in the preparation of tunable ligands carbohydrate-derived diarylphosphinites for asymetric catalysis hydrovinylation of styrene derivatives. |
| L-PANTOLACTONE Preparation Products And Raw materials |
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