5.89591

1,4-Dioxane

99.8%, anhydrous

• Synonym(s): Diethylene oxide, Dioxane
• Empirical Formula (Hill Notation): C₄H₈O₂
• CAS Number: 123-91-1
• Molecular Weight: 88.11
• Beilstein/REAXYS Number: 102551
• MDL number: MFCD00006571
• UNSPSC Code: 12352005
• NACRES: NA.22

Properties

• grade: anhydrous
• Quality Level: 200
• vapor density: 3 (vs air)
• vapor pressure: 27 mmHg ( 20 °C); 40 mmHg ( 25 °C)
• assay: 99.8%
• autoignition temp.: 356 °F
• expl. lim.: 22 %
• refractive index: n20/D 1.422 (lit.)
• bp: 100-102 °C (lit.)
• mp: 10-12 °C (lit.)
• density: 1.034 g/mL at 25 °C (lit.)
• SMILES string: C1COCCO1
• InChI: 1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2
• InChI key: RYHBNJHYFVUHQT-UHFFFAOYSA-N

Safety Information

• pictograms: GHS02,GHS07,GHS08
• signalword: Danger
• hcodes: H225 - H319 - H335 - H350
• pcodes: P202 - P210 - P233 - P240 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Carc. 1B - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• target_organs: Respiratory system
• supp_hazards: EUH019 - EUH066
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 51.8 °F - closed cup
• flash_point_c: 11 °C - closed cup