1.08110

Tetrahydrofuran

≥99.9% (GC), suitable for UV/Vis spectroscopy, Uvasol^®

• Synonym(s): THF, Tetramethylene oxide, Oxolane, Butylene oxide, Butylene oxide, Oxolane, Tetramethylene oxide
• Linear Formula: (CH₂)₃CH₂O
• CAS Number: 109-99-9
• Molecular Weight: 72.11
• NACRES: NA.03
• EC Index Number: 203-726-8
• UNSPSC Code: 12191504
• MDL number: MFCD00005356
• Beilstein/REAXYS Number: 102391
• Assay: ≥99.9% (GC)
• Technique(s): UV/Vis spectroscopy: suitable
• Bp: 65-67 °C (lit.)
• Vapor pressure: 114 mmHg ( 15 °C), 143 mmHg ( 20 °C)

Properties

• Product Name: Tetrahydrofuran, for spectroscopy Uvasol^®
• Quality Segment: 100
• vapor density: 2.5 (vs air)
• vapor pressure: 114 mmHg ( 15 °C), 143 mmHg ( 20 °C)
• assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 610 °F
• expl. lim.: 1.8-11.8 %
• technique(s): UV/Vis spectroscopy: suitable
• impurities: ≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.01% Water
• evapn. residue: ≤0.0002%
• color: APHA: ≤10
• transmittance: 215 nm, ≥30%, 245 nm, ≥50%, 265 nm, ≥80%, 275 nm, ≥90%, 310 nm, ≥98%
• refractive index: n20/D 1.407 (lit.)
• pH: 7-8 (20 °C, 200 g/L in H₂O)
• bp: 65-67 °C (lit.)
• mp: −108 °C (lit.)
• transition temp: flash point -20 °C
• density: 0.889 g/mL at 25 °C (lit.)
• UV absorption: λ: 215 nm A_max: ≤0.52, λ: 245 nm A_max: ≤0.30, λ: 265 nm A_max: ≤0.10, λ: 275 nm A_max: ≤0.05, λ: 310 nm A_max: ≤0.01
• storage temp.: 2-30°C
• SMILES string: C1CCOC1
• InChI: 1S/C4H8O/c1-2-4-5-3-1/h1-4H2
• InChI key: WYURNTSHIVDZCO-UHFFFAOYSA-N

Description

Analysis Note

Purity (GC): ≥ 99.9 %
Evaporation residue: ≤ 0.0002 %
Water: ≤ 0.01 %
Colour: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Fluorescence (as quinine at 254 nm): ≤ 1.0 ppb
Fluorescence (as quinine at 365 nm): ≤ 1.0 ppb
Transmission (at 215 nm): ≥ 30 %
Transmission (at 245 nm): ≥ 50 %
Transmission (at 265 nm): ≥ 80 %
Transmission (at 275 nm): ≥ 90 %
Transmission (from 310 nm): ≥ 98 %
Absorbance (at 215 nm): ≤ 0.52
Absorbance (at 245 nm): ≤ 0.30
Absorbance (at 265 nm): ≤ 0.10
Absorbance (at 275 nm): ≤ 0.05
Absorbance (from 310 nm): ≤ 0.01

Other Notes

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Legal Information

UVASOL is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• signalword: Danger
• supp_hazards: EUH019
• Storage Class: 3 - Flammable liquids
• flash_point_f: -6.2 °F - closed cup
• flash_point_c: -21.2 °C - closed cup
• pcodes: P202 - P210 - P280 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - STOT SE 3
• target_organs: Central nervous system, Respiratory system
• pictograms: GHS02,GHS08,GHS05,GHS07
• hcodes: H225,H302,H318,H335,H336,H351