TX0279

Tetrahydrofuran, No Stabilizer

Meets Reagent Specifications for testing USP/NF monographs OmniSolv^®

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

Properties

• Agency: meets USP/NF
• Quality Level: 100
• vapor density: 2.5 (vs air)
• vapor pressure: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)
• product line: OmniSolv^®
• Assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 610 °F
• shelf life: 12 mo. (from manufacture date)
• expl. lim.: 1.8-11.8 %
• impurities: ≤0.02% Peroxide (as H₂O₂); ≤0.02% Water (H₂O); ≤0.8 μeq/g Titrable acid
• evapn. residue: ≤2 ppm
• 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 -20 °C
• density: 0.889 g/mL at 25 °C (lit.)
• UV cutoff: ≤212 nm
• UV absorption: λ: 212 nm A_max: ≤1.00; λ: 225 nm A_max: ≤0.50; λ: 250 nm A_max: ≤0.10; λ: 300 nm A_max: ≤0.005
• shipped in: ambient
• storage temp.: no temp limit
• SMILES string: C1CCOC1
• InChI: 1S/C4H8O/c1-2-4-5-3-1/h1-4H2
• InChI key: WYURNTSHIVDZCO-UHFFFAOYSA-N

Description

Application

Meets Reagent Specifications for testing USP/NF monographs OmniSolv^®

TX0279P-1 is packaged in poly coated glass bottles

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Expiration dateExp 12 months from mfg dateAssay (GC)99.9% minColor (APHA)10 maxEvaporation residue2ppm maxFiltered through 0.2 µm filterTo pass testFormClear liquidIdentity (IR-spectrum)ConformsPeroxide (as H2O2)*0.02% maxRefractive index (at 20°C)Titrable acid0.8µeq/g maxUV Abs. at 212 nm1.00AU maxUV Abs. at 225 nm0.50AU maxUV Abs. at 250 nm0.10AU maxUV Abs. at 300 nm0.005AU maxUV Cut-off212nm maxWater (H2O)0.02% max

Legal Information

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

Safety Information

• Pictograms: GHS02,GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H225 - H302 - H319 - H335 - H336 - H351
• Precautionary Statements: P202 - P210 - P233 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2
• Supplementary Hazards: 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