270385

Tetrahydrofuran

HPLC grade, ≥99.9%, inhibitor-free

• Synonym(s): Butylene oxide, Oxolane, Tetramethylene oxide
• Empirical Formula (Hill Notation): C₄H₈O
• CAS Number: 109-99-9
• Molecular Weight: 72.11
• Beilstein: 102391
• EC Number: 203-726-8
• MDL number: MFCD00005356
• UNSPSC Code: 12190000
• PubChem Substance ID: 329752934

Properties

• grade: HPLC grade
• vapor density: 2.5 (vs air)
• vapor pressure: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)
• Assay: ≥99.9%
• form: liquid
• autoignition temp.: 610 °F
• purified by: glass distillation
• expl. lim.: 1.8-11.8 %
• technique(s): HPLC: suitable
• impurities: <0.020% water
• evapn. residue: <0.0005%
• refractive index: n20/D 1.407 (lit.)
• bp: 65-67 °C (lit.); 65-67 °C
• mp: −108 °C (lit.)
• density: 0.889 g/mL at 25 °C (lit.)
• λ: H₂O reference
• UV absorption: λ: 212 nm A_max: 1.00; λ: 250 nm A_max: 0.18; λ: 300 nm A_max: 0.02; λ: 350-400 nm A_max: 0.01
• SMILES string: C1CCOC1
• InChI: 1S/C4H8O/c1-2-4-5-3-1/h1-4H2
• InChI key: WYURNTSHIVDZCO-UHFFFAOYSA-N

Safety Information

• Pictograms: GHS02,GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H225 - H302 - H319 - H335 - H336 - H351
• Precautionary Statements: P201 - P202 - P210 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2
• Supplementary Hazards: EUH018 - EUH019
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): -6.2 °F - closed cup
• Flash Point(C): -21.2 °C - closed cup