1,4-Dioxane

• Catalog No.: 42500
• CAS Number: 123-91-1
• M. F.: C4H8O2
• M. W.: 88.10512
• Purity: ≥99.8% (GC)

SYNONYMS

• Title: 1,4-二氧六环
• IUPAC name: 1,4-dioxane
• IUPAC Traditional name: dioxane
• Synonyms: 四氢呋喃; Dioxane; 二恶烷; Diethylene oxide

DATABASE IDS

• Beilstein Number: 102551
• EC Number: 204-661-8
• MDL Number: MFCD00006571
• CAS Number: 123-91-1

PROPERTIES

• Empirical Formula (Hill Notation): C4H8O2
• Grade: for UV-spectroscopy
• λ: 1 cm path, H2O reference
• Purity: ≥99.8% (GC)
• Absorption Wavelength: λ: 225 nm Amax: 0.5
• Absorption Wavelength: λ: 240 nm Amax: 0.3
• Absorption Wavelength: λ: 250 nm Amax: 0.2
• Absorption Wavelength: λ: 260 nm Amax: 0.12
• Absorption Wavelength: λ: 270 nm Amax: 0.05
• Absorption Wavelength: λ: 290 nm Amax: 0.03
• Absorption Wavelength: λ: 310 nm Amax: 0.003
• Auto Ignition Point: 356 °F
• Boiling Point: 100-102 °C(lit.)
• Density: 1.034 g/mL at 25 °C(lit.)
• Flash Point: 12 °C
• Flash Point: 53.6 °F
• Melting Point: 10-12 °C(lit.)
• Refractive Index: n20/D 1.422(lit.)
• Vapor Density: 3 (vs air)
• Vapor Pressure: 27 mmHg ( 20 °C)
• Vapor Pressure: 40 mmHg ( 25 °C)
• Explode Limits: 22 %
• GHS Signal Word: Danger
• GHS Hazard statements: H225-H319-H335-H351
• European Hazard Symbols: Flammable (F)
• European Hazard Symbols: Harmful (Xn)
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P210-P261-P281-P305 + P351 + P338
• RID/ADR: UN 1165 3/PG 2
• Risk Statements: 11-19-36/37-40-66
• RTECS: JG8225000
• Safety Statements: 9-16-36/37-46
• Supplemental Hazard Statements: May form explosive peroxides., Repeated exposure may cause skin dryness or cracking.
• Hazard Class: 3
• UN Number: 1165
• Packing Group: 2
• German water hazard class: 2