1.08110

Tetrahydrofuran

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

• 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: NA.03

속성

• product name: Tetrahydrofuran, for spectroscopy Uvasol^®
• vapor density: 2.5 (vs air)
• Quality Level: 100
• vapor pressure: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)
• 분석: ≥99.9% (GC)
• 형태: liquid
• autoignition temp.: 610 °F
• expl. lim.: 1.8-11.8 %
• 기술: UV/Vis spectroscopy: suitable
• 불순물: ≤0.0002 meq/g Acidity; ≤0.0002 meq/g Alkalinity; ≤0.01% Water
• 증발 잔류물: ≤0.0002%
• 색상: APHA: ≤10
• 투과: 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.)
• 전이 온도: flash point -20 °C
• density: 0.889 g/mL at 25 °C (lit.)
• UV 흡수: 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
• 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

분석 메모

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

기타 정보

Explore various lab safety accessories and equipment for safe handling of solvents to increase your safety level from the first usage.

법적 정보

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

안전성 정보

• 픽토그램: GHS02,GHS07,GHS08
• 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
• 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