1.03649

Ethyl acetate

hypergrade for LC-MS LiChrosolv^®

• 동의어(들): Ethyl ethanoate, Acetic ester, Ethyl ester, EtOAc
• Linear Formula: CH₃COOC₂H₅
• CAS Number: 141-78-6
• Molecular Weight: 88.11
• Beilstein: 506104
• MDL number: MFCD00009171
• UNSPSC 코드: 41116105
• EC 인덱스 번호: 205-500-4
• NACRES: NA.03

속성

• vapor density: 3 (20 °C, vs air)
• Quality Level: 100
• vapor pressure: 73 mmHg ( 20 °C)
• 제품 라인: LiChrosolv^®
• 분석: ≥99.8% (GC)
• 형태: liquid
• autoignition temp.: 801 °F
• expl. lim.: 2.2-11.5 %, 38 °F
• 기술: LC/MS: suitable
• 불순물: ≤0.0002 meq/g Acidity; ≤0.0002 meq/g Alkalinity; ≤0.05% Water; ≤10 ppb Al (Aluminium); ≤10 ppb Ca (Calcium); ≤10 ppb Fe (Iron); ≤10 ppb Mg (Magnesium); ≤5 ppb K (Potassium); ≤50 ppb Na (Sodium)
• 증발 잔류물: ≤2.0 mg/L
• 투과: 260 nm, ≥50%; 265 nm, ≥80%; 270 nm, ≥98%
• refractive index: n20/D 1.3720 (lit.)
• bp: 76.5-77.5 °C (lit.)
• mp: −84 °C (lit.)
• 전이 온도: flash point -4 °C
• density: 0.902 g/mL at 25 °C (lit.)
• 형식: neat
• 저장 온도: 2-30°C
• SMILES string: CCOC(C)=O
• InChI: 1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3
• InChI key: XEKOWRVHYACXOJ-UHFFFAOYSA-N

설명

일반 설명

The product is a high purity solvent that ensures baseline stability, lowest impurity levels and high UV transmittance in LC-MS applications.

애플리케이션

Intended for HPLC or LC-MS, either as an extraction solvent or as a mobile phase.

특징 및 장점

• no ghost peaks
• full reproducibility
• extends the lifetime of columns
• optimized and tested for LC-MS applications
• minimal background ion suppression
• reduced risk of contamination
• less exposure to hazardous chemicals

제조 메모

Product filtered through a 0.2 μm filter

분석 메모

Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.05 %
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Al (Aluminium): ≤ 10 ppb
Ca (Calcium): ≤ 10 ppb
Fe (Iron): ≤ 10 ppb
K (Potassium): ≤ 5 ppb
Mg (Magnesium): ≤ 10 ppb
Na (Sodium): ≤ 50 ppb
Transmission (at 260 nm): ≥ 50 %
Transmission (at 265 nm): ≥ 80 %
Transmission (from 270 nm): ≥ 98 %
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI positive): ≤ 2 ppb
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI negative): ≤ 20 ppb
Filtered by 0.2 μm filter.

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

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

안전성 정보

• 픽토그램: GHS02,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H225 - H319 - H336
• 예방조치 성명서: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• 표적 기관: Central nervous system
• 보충제 위험성: EUH066
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point (°F): 24.8 °F
• Flash Point (°C): -4 °C