1.09731

Tetrahydrofuran

≥99.8% (GC), ACS reagent, reag. Ph. Eur., EMSURE^®

• 동의어(들): THF, Tetramethylene oxide, Oxolane, Butylene oxide, Butylene oxide, Oxolane, Tetramethylene oxide
• 실험식(Hill 표기법): C₄H₈O
• CAS Number: 109-99-9
• Molecular Weight: 72.11
• Beilstein: 102391
• MDL number: MFCD00005356
• UNSPSC 코드: 12191504
• EC 인덱스 번호: 203-726-8
• NACRES: NB.21

속성

• product name: Tetrahydrofuran, for analysis EMSURE^® ACS,Reag. Ph Eur
• Grade: ACS reagent
• Quality Level: 300
• Agency: reag. Ph. Eur.
• vapor density: 2.5 (vs air)
• vapor pressure: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)
• 제품 라인: EMSURE^®
• 분석: ≥99.8% (GC)
• 형태: liquid
• autoignition temp.: 610 °F
• expl. lim.: 1.8-11.8 %
• 불순물: ≤0.00005% Al (Aluminium); ≤0.0002 meq/g Alkalinity; ≤0.0003 meq/g Acidity; ≤0.005% Peroxide (as H₂O₂); ≤0.03% Water
• 증발 잔류물: ≤0.0005%
• 색상: 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.)
• 전이 온도: flash point -21.5 °C
• density: 0.889 g/mL at 25 °C (lit.)
• 양이온 미량물: Al: ≤0.00005%; B: ≤0.000002%; Ba: ≤0.00001%; Ca: ≤0.00005%; Cd: ≤0.000005%; Co: ≤0.000002%; Cr: ≤0.000002%; Cu: ≤0.000002%; Fe: ≤0.00001%; Mg: ≤0.000002%; Mn: ≤0.000002%; Ni: ≤0.000002%; Pb: ≤0.00001%; Sn: ≤0.00001%; Zn: ≤0.00001%
• 저장 온도: 2-30°C
• SMILES string: C1CCOC1
• InChI: 1S/C4H8O/c1-2-4-5-3-1/h1-4H2
• InChI key: WYURNTSHIVDZCO-UHFFFAOYSA-N

설명

일반 설명

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

애플리케이션

• Construction of Polycarbonates with Pendant Multifunctional Groups via a One-Step CO₂/Diepoxide Copolymerization Approach.: This study employs tetrahydrofuran (THF) as a solvent in the synthesis of multifunctional polycarbonates through CO₂ copolymerization, demonstrating its utility in creating advanced materials with potential applications in environmental sustainability and polymer chemistry (Wu et al., 2024).

분석 메모

Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Density (d 20 °C/20 °C): 0.885 - 0.895
Acidity: ≤ 0.0003 meq/g
Alkalinity: ≤ 0.0002 meq/g
Peroxides: conforms
Peroxide (as H₂O₂): ≤ 0.005 %
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.000002 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Evaporation residue: ≤ 0.0005 %
Water: ≤ 0.03 %
Stabilized with 2,6-Di-tert-butyl-4-methylphenol (BHT).

법적 정보

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

안전성 정보

• 픽토그램: GHS02,GHS08,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H225,H302,H319,H335,H336,H351
• 예방조치 성명서: 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
• 표적 기관: Central nervous system, Respiratory system
• 보충제 위험성: 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