1.03649

酢酸エチル

hypergrade for LC-MS LiChrosolv^®

• 別名: EtOAc
• 化学式: CH₃COOC₂H₅
• CAS番号: 141-78-6
• 分子量: 88.11
• Beilstein: 506104
• MDL番号: MFCD00009171
• UNSPSCコード: 41116105
• EC Index Number: 205-500-4
• NACRES: NA.03

特性

• 蒸気密度: 3 (20 °C, vs air)
• 品質水準: 100
• 蒸気圧: 73 mmHg ( 20 °C)
• 製品種目: LiChrosolv^®
• アッセイ: ≥99.8% (GC)
• 形状: liquid
• 自己発火温度: 801 °F
• expl. lim.: 2.2-11.5 %, 38 °F
• テクニック: LC/MS: suitable
• 不純物: ≤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)
• 蒸発残留物質: ≤2.0 mg/L
• 透過率: 260 nm, ≥50%; 265 nm, ≥80%; 270 nm, ≥98%
• 屈折率: n20/D 1.3720 (lit.)
• bp: 76.5-77.5 °C (lit.)
• mp: −84 °C (lit.)
• 転移温度: flash point -4 °C
• 密度: 0.902 g/mL at 25 °C (lit.)
• フォーマット: neat
• 保管温度: 2-30°C
• SMILES記法: CCOC(C)=O
• InChI: 1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3
• InChI Key: XEKOWRVHYACXOJ-UHFFFAOYSA-N

詳細

詳細

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

アプリケーション

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

特徴および利点

• 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

調製ノート

Product filtered through a 0.2 μm filter

アナリシスノート

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.

その他情報

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

法的情報

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

安全性情報

• ピクトグラム: GHS02,GHS07
• シグナルワード: Danger
• 危険有害性情報: H225 - H319 - H336
• 注意書き: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• 危険有害性の分類: Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• ターゲットの組織: Central nervous system
• 補足的ハザード: EUH066
• 保管分類コード: 3 - Flammable liquids
• WGK: WGK 1
• 引火点(°F): 24.8 °F
• 引火点(℃): -4 °C