1.07025

Tetrahydrofuran

for analysis EMPARTA^® ACS

• Synonym(s): THF, Tetramethylene oxide, Oxolane, Butylene 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

• grade: ACS reagent
• Quality Level: 200
• vapor density: 2.5 (vs air)
• vapor pressure: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)
• product line: EMPARTA^®
• Assay: ≥99.5% (GC)
• form: liquid
• autoignition temp.: 610 °F
• expl. lim.: 1.8-11.8 %
• impurities: ≤0.01% Peroxide (as H₂O₂); ≤0.05% Water
• evapn. residue: ≤0.03%
• color: clearAPHA: ≤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.)
• 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

General description

EMD Millipore offers EMPARTA grade solvents for routine tasks in analytical laboratories. EMPARTA grade solvents offer fewer test parameters than EMSURE, yet are still of high quality. EMPARTA solvents meet ACS requirements, making them ideal for a wide range of analytical applications.

Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Peroxide (as H₂O₂): ≤ 0.01 %
Evaporation residue: ≤ 0.03 %
Water: ≤ 0.05 %
Stabilized with 2,6-Di-tert-butyl-4-methylphenol (BHT).

Legal Information

EMPARTA 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