676934

1,4-Dioxan

ACS reagent, ≥99.0%, contains <=25 ppm BHT as stabilizer

• Synonym(e): Diethylenoxid, Dioxan
• Empirische Formel (Hill-System): C₄H₈O₂
• CAS-Nummer: 123-91-1
• Molekulargewicht: 88.11
• Beilstein: 102551
• EG-Nummer: 204-661-8
• MDL-Nummer: MFCD00006571
• UNSPSC-Code: 12352005
• PubChem Substanz-ID: 329760662
• NACRES: NA.21
• bp: 100-102 °C (lit.)

Eigenschaften

• Qualität: ACS reagent
• Qualitätsniveau: 200
• Dampfdichte: 3 (vs air)
• Dampfdruck: 27 mmHg ( 20 °C); 40 mmHg ( 25 °C)
• Assay: ≥99.0%
• Form: liquid
• Selbstzündungstemp.: 356 °F
• Expl.-Gr.: 22 %
• Methode(n): thin layer chromatography (TLC): suitable
• Verunreinigungen: ≤0.0016 meq/g Titr. acid; ≤0.005% Peroxide as (H₂O₂); ≤0.01% Carbonyl (as HCHO); ≤0.05% water
• Abdampfrückstand: ≤0.005%
• Farbe: APHA: ≤20
• Brechungsindex: n20/D 1.422 (lit.)
• pH-Wert: 6.0-8 (20 °C, 500 g/L)
• bp: 100-102 °C (lit.)
• mp (Schmelzpunkt): 10-12 °C (lit.)
• Übergangstemp.: freezing point ≥11.0
• Dichte: 1.034 g/mL at 25 °C (lit.)
• SMILES String: C1COCCO1
• InChI: 1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2
• InChIKey: RYHBNJHYFVUHQT-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

1,4-Dioxane is widely used as a solvent for various organic compounds in industry. It is a non-biodegradable contaminant found in industrial effluents. Its oxidative degradation by using oxygen and ozone has been useful in converting it into biodegradable products, which can be easily removed by conventional methods.

Anwendung

1,4-Dioxane may be employed as solvent in the synthesis of N-(4-(prop-2-ynyloxy)phenyl)acetamide and 3-(4-(prop-2-ynyloxy)phenyl)-3,4-dihydro-2H-benzo[e][1,3]oxazine.

Sicherheitshinweise

• Piktogramme: GHS02,GHS08,GHS07
• Signalwort: Danger
• H-Sätze: H225,H319,H335,H350
• P-Sätze: P202 - P210 - P233 - P240 - P305 + P351 + P338 - P308 + P313
• Gefahreneinstufungen: Carc. 1B - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Zusätzliche Gefahrenhinweise: EUH019,EUH066
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): 51.8 °F - closed cup
• Flammpunkt (°C): 11 °C - closed cup