34946

Tetrahydrofuran

puriss. p.a., dried, ≥99.9% (GC), ≤0.005% water

• Synonym(s): Butylene oxide, Oxolane, Tetramethylene oxide
• Empirical Formula (Hill Notation): C₄H₈O
• CAS Number: 109-99-9
• Molecular Weight: 72.11
• Beilstein/REAXYS Number: 102391
• EC Number: 203-726-8
• MDL number: MFCD00005356
• UNSPSC Code: 12190000
• PubChem Substance ID: 24861679

Properties

• vapor density: 2.5 (vs air)
• vapor pressure: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)
• grade: puriss. p.a.
• assay: ≥99.9% (GC)
• autoignition temp.: 610 °F
• quality: dried
• contains: ~250 mg/L 2,6-di-tert.-butyl-4-methylphenol as stabilizer
• expl. lim.: 1.8-11.8 %
• impurities: ≤0.001% free acid (as CH₃COOH); ≤0.001% non-volatile matter; ≤0.005% peroxides (as H₂O₂); ≤0.005% water (Karl Fischer); ≤0.005% water
• refractive index: n20/D 1.407 (lit.)
• bp: 65-67 °C (lit.)
• mp: −108 °C (lit.)
• density: 0.889 g/mL at 25 °C (lit.)
• cation traces: Al: ≤0.5 mg/kg; B: ≤0.02 mg/kg; Ba: ≤0.1 mg/kg; Ca: ≤0.5 mg/kg; Cd: ≤0.05 mg/kg; Co: ≤0.02 mg/kg; Cr: ≤0.02 mg/kg; Cu: ≤0.02 mg/kg; Fe: ≤0.1 mg/kg; Mg: ≤0.1 mg/kg; Mn: ≤0.02 mg/kg; Ni: ≤0.02 mg/kg; Pb: ≤0.1 mg/kg; Sn: ≤0.1 mg/kg; Zn: ≤0.1 mg/kg
• SMILES string: C1CCOC1
• InChI: 1S/C4H8O/c1-2-4-5-3-1/h1-4H2
• InChI key: WYURNTSHIVDZCO-UHFFFAOYSA-N

Description

Packaging

bottled under inert gas

Safety Information

• pictograms: GHS02,GHS08,GHS07
• signalword: Danger
• hcodes: H225,H302,H319,H335,H336,H351
• pcodes: P202 - P210 - P233 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• target_organs: Central nervous system, Respiratory system
• supp_hazards: EUH019
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: -6.2 °F - closed cup
• flash_point_c: -21.2 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter