TX0282

Tetrahydrofuran

≥99.9% (GC), contains 0.0140--0.0310% BHT as stabilizer, non-UV, suitable for LC/MS, gas chromatography (GC) and HPLC, OmniSolv^®

• Synonym(s): Tetrahydrofuran, Diethylene oxide, THF, Butylene oxide, Oxolane, Tetramethylene oxide
• Empirical Formula (Hill Notation): C₄H₈O
• CAS Number: 109-99-9
• Molecular Weight: 72.11
• Beilstein/REAXYS Number: 102391
• MDL number: MFCD00005356
• UNSPSC Code: 12191504
• EC Index Number: 203-726-8

Properties

• product name: Tetrahydrofuran Non-UV, OmniSolv^®
• vapor density: 2.5 (vs air)
• Quality Level: 100
• vapor pressure: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)
• product line: OmniSolv^®
• assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 610 °F
• contains: 0.0140--0.0310% BHT as stabilizer
• expl. lim.: 1.8-11.8 %
• technique(s): HPLC: suitable; LC/MS: suitable; gas chromatography (GC): suitable
• impurities: ≤0.01% Peroxide (as H₂O₂); ≤0.03% Water (H₂O); ≤1.0 μeq/g Titrable acid
• color: APHA: ≤10
• 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 -21.5 °C
• density: 0.889 g/mL at 25 °C (lit.)
• shipped in: ambient
• storage temp.: room temp
• SMILES string: C1CCOC1
• InChI: 1S/C4H8O/c1-2-4-5-3-1/h1-4H2
• InChI key: WYURNTSHIVDZCO-UHFFFAOYSA-N

Description

Application

OmniSolv^®

Stabilized with 250 ppm BHT. Not Optically Transparent in UV

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Assay (GC)99.9% minColor (APHA)10 maxFiltered through 0.2 µm filterTo pass testFormClear liquidIdentity (IR-spectrum)ConformsPeroxide (as H2O2)0.01% maxRefractive index (at 20°C)Stabilizer (BHT)0.0140-0.0310%Titrable acid1.0µeq/g maxWater (H2O)0.03% max

Legal Information

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

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