| DL-Pantolactone Basic information |
| Product Name: | DL-Pantolactone |
| Synonyms: | 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl-, (+-)-;DL-alpha-Hydroxy-beta,beta-dimethyl-alpha-butyrolactone;DL-ALPHA-HYDROXY-BETA,BETA-DIMETHYL-GAMME-BUTYROLACTONE;DL-LACTONE;DL-R-BUTYROLACTONE;DL-Pantolactone, Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone, β,β-Dimethyl-α-hydroxy-γ-butyrolactone;3-Amino-1-phenylurea hydrochloride;Hydrazinecarboxamide, N-phenyl-, monohydrochloride |
| CAS: | 79-50-5 |
| MF: | C6H10O3 |
| MW: | 130.14 |
| EINECS: | 201-210-7 |
| Product Categories: | Pharmaceutical Intermediates;bc0001 |
| Mol File: | 79-50-5.mol |
| DL-Pantolactone Chemical Properties |
| Melting point | 74-78 °C (lit.) |
| Boiling point | 121°C/11mmHg(lit.) |
| density | 1.165±0.06 g/cm3(Predicted) |
| Fp | 122℃ |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | H2O: soluble1g/10 mL, clear, colorless to almost colorless |
| pka | 13.12±0.40(Predicted) |
| form | Solid |
| color | Colourless Gel to White to Off-White |
| BRN | 80958 |
| Stability: | Unstable in Aqueous Solution |
| InChIKey | SERHXTVXHNVDKA-UHFFFAOYSA-N |
| CAS DataBase Reference | 79-50-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 2(3H)-furanone, dihydro-3-hydroxy-4,4-dimethyl-, (.+/-.)-(79-50-5) |
| EPA Substance Registry System | 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl- (79-50-5) |
| Safety Information |
| Risk Statements | 36/37/38 |
| Safety Statements | 22-24/25-37/39-26 |
| WGK Germany | 3 |
| F | 3-10-21 |
| HS Code | 29322090 |
| MSDS Information |
| Provider | Language |
|---|---|
| DL-alpha-Hydroxy-beta,beta-dimethyl-gamma-butyrolactone | English |
| SigmaAldrich | English |
| DL-Pantolactone Usage And Synthesis |
| Uses | DL-α-Hydroxy-β,β-dimethyl-γ-butyrolactone (DL-pantolactone) may be used in the preparation of 3,5-dinitrobenzoyl-DL-pantolactone. |
| Synthesis Reference(s) | Journal of the American Chemical Society, 79, p. 3545, 1957 DOI: 10.1021/ja01570a064 |
| DL-Pantolactone Preparation Products And Raw materials |
| Raw materials | Ethanol-->Hydrochloric acid-->Methanol-->Acetone-->Formaldehyde-->FUMING SULFURIC ACID-->Sodium cyanide-->POTASSIUM CYANIDE-->Isobutyraldehyde-->HYDROGEN CYANIDE-->3-Hydroxy-2,2-dimethylpropanal |
| Preparation Products | DIHYDRO-4,4-DIMETHYL-2,3-FURANDIONE |
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