(±)-Dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-on
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- CAS-Nr.
- 79-50-5
- Bezeichnung:
- (±)-Dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-on
- Englisch Name:
- DL-Pantolactone
- Synonyma:
- PANTOLACTONE;3-Hydroxy-4,4-diMethyldihydrofuran-2(3H)-one;3-Hydroxy-4,4-dimethyldihydro-2(3H)-furanone;Ai3-23741;DL-LACTONE;de-Pantolactone;DL-PantolaCLone;DL-PANTOLACTONE;Einecs 201-210-7;PANTOLACTONE(DL-)
- CBNumber:
- CB6157722
- Summenformel:
- C6H10O3
- Molgewicht:
- 130.14
- MOL-Datei:
- 79-50-5.mol
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(±)-Dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-on Eigenschaften
- Schmelzpunkt:
- 74-78 °C (lit.)
- Siedepunkt:
- 121°C/11mmHg(lit.)
- Dichte
- 1.165±0.06 g/cm3(Predicted)
- Flammpunkt:
- 122℃
- storage temp.
- Sealed in dry,Room Temperature
- L?slichkeit
- H2O: soluble1g/10 mL, clear, colorless to almost colorless
- pka
- 13.12±0.40(Predicted)
- Aggregatzustand
- Solid
- Farbe
- Colourless Gel to White to Off-White
- Wasserl?slichkeit
- H2O: 1g/10 mL, clear, colorless to almost colorless
- BRN
- 80958
- Stabilit?t:
- Unstable in Aqueous Solution
- InChIKey
- SERHXTVXHNVDKA-UHFFFAOYSA-N
- CAS Datenbank
- 79-50-5(CAS DataBase Reference)
- NIST chemische Informationen
- 2(3H)-furanone, dihydro-3-hydroxy-4,4-dimethyl-, (.+/-.)-(79-50-5)
- EPA chemische Informationen
- 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl- (79-50-5)
Sicherheit
- Risiko- und Sicherheitserkl?rung
- Gefahreninformationscode (GHS)
| Bildanzeige (GHS) |
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| Alarmwort |
Warnung |
| Gefahrenhinweise |
| Code |
Gefahrenhinweise |
Gefahrenklasse |
Abteilung |
Alarmwort |
Symbol |
P-Code |
| H319 |
Verursacht schwere Augenreizung. |
Schwere Augenreizung |
Kategorie 2 |
Warnung |
![GHS hazard pictograms]() src="/GHS07.jpg" width="20" height="20" /> |
P264, P280, P305+P351+P338,P337+P313P |
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| Sicherheit |
| P264 |
Nach Gebrauch gründlich waschen. |
| P264 |
Nach Gebrauch gründlich waschen. |
| P280 |
Schutzhandschuhe/Schutzkleidung/Augenschutz tragen. |
| P305+P351+P338 |
BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach M?glichkeit entfernen. Weiter spülen. |
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(±)-Dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-on Chemische Eigenschaften,Einsatz,Produktion Methoden
S-S?tze Betriebsanweisung:
S22:Staub nicht einatmen.
S24/25:Berührung mit den Augen und der Haut vermeiden.
Verwenden
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
(±)-Dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-on Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
(±)-Dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-on Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.
Global( 306)Lieferanten
79-50-5((±)-Dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-on)Verwandte Suche:
- 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
- de-Pantolactone
- DL-Pantoic acid lactone
- rac-3α*-Hydroxy-4,4-dimethyl-4,5-dihydrofuran-2(3H)-one
- DL-γ-butyrolactone
- DL-PANTOYL LACTONE 97%
- Dihydro-3-hydroxy-4H-dimethyl-2[3H]-furanone
- dl-α-hydroxy-β,β-dimethyl-γ-butyrolactone
- β,β-dimethyl-α-hydroxy-γ-butyrolactone
- DL(-)-2-HYDROXY-3,3-DIMETHYL-GAMMA-BUTYROLACTONE(DL-PANTOLACTONE)
- Pantoicacid-lactone
- DL-Pantoyl Lacyone
- 4-dimethyl-dihydro-3-hydroxy-(+/-)-2(3h)-furanon
- (1)-Dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-one
- Ai3-23741
- Einecs 201-210-7
- DL-Pantolactone
- Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone
DL-2-Hydroxy-3,3-dimethyl-gamma-butyrolactone
DL-Pantoyl Lactone
- DL-PantolaCLone
- DL-alpha-Hydroxy-beta,beta-diMethyl-gaMMa-butyrolactone puruM, >=98.0% (T)
- 3-HYDROXY-4,4-DIMETHYL-DIHYDRO-FURAN-2-ONE
- 3-Hydroxy-4,4-dimethyldihydrofuran-2(3H)
- (3S)-3-Hydroxy-4,4-dimethyloxolan-2-one
- 3,3-DIMETHYL-2-HYDROXY-GAMMA-BUTYROLACTONE
- LABOTEST-BB LT00233109
- DL-2-HYDROXY-3,3-DIMETHYL-4-BUTANOLIDE
- DL-2-HYDROXY-3,3-DIMETHYL-GAMMA-BUTYROLACTONE
- DL-3,3-DIMETHYL-2-HYDROXY-GAMMA-BUTYROLACTONE
- DL-1-HYDROXY-2,2-DIMETHYL-3-BUTYROLACTONE
- DL-2,4-DIHYDROXY-3,3-DIMETHYLBUTYRIC ACID G-LACTONE
- DL-ALPHA-HYDROXY-BETA,BETA-DIMETHYL-GAMMA-BUTYROLACTONE
- DL-DIHYDRO-3-HYDROXY-4,4-DIMETHYL-2(3H)FURANONE
- DL-PANTOYL LACTONE
- DL-PANTOIC ACID G-LACTONE
- DL-PANTOLACTONE
- (+/-)-dihydro-3-hydroxy-4,4-dimethylfuran-2(3h)-one
- BETA,BETA-DIMETHYL-ALPHA-HYDROXY-GAMMA-BUTYROLACTONE
- PANTOLACTONE(DL-)
- 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl-, (±
- DL-Pantolactone 95%
- [5-(6-amino-2-fluoro-9-purinyl)-3,4-dihydroxy-2-oxolanyl]methyl dihydrogen phosphate
- 3-(2-hydroxy-1,1-dimethyl-ethyl)oxiran-2-one
- DL-Pantolactone>
- (3S)-3-hydroxy-4,4-dimethyL
- Dexpanthenol Impurity 9
- "(+/-)-dihydro-3-hydroxy-4,4-dimethylfuran-2(3h)-one"
- 3-Hydroxy-4,4-diMethyldihydrofuran-2(3H)-one
- PANTOLACTONE
- 3-Hydroxy-4,4-dimethyldihydro-2(3H)-furanone
- 3-hydroxy-4,4-dimethyl-tetrahydrofuran-2-one
- Calcium Pantothenate Impurity C
