1.03649

Acétate d'éthyle

hypergrade for LC-MS LiChrosolv^®

• Synonyme(s) : EtOAc
• Formule linéaire : CH₃COOC₂H₅
• Numéro CAS: 141-78-6
• Poids moléculaire : 88.11
• Numéro Beilstein : 506104
• Numéro MDL: MFCD00009171
• Code UNSPSC : 41116105
• Numéro de classement CE : 205-500-4
• Nomenclature NACRES : NA.03

Propriétés

• Densité de vapeur: 3 (20 °C, vs air)
• Niveau de qualité: 100
• Pression de vapeur: 73 mmHg ( 20 °C)
• Gamme de produits: LiChrosolv^®
• Pureté: ≥99.8% (GC)
• Forme: liquid
• Température d'inflammation spontanée: 801 °F
• Limite d'explosivité: 2.2-11.5 %, 38 °F
• Technique(s): LC/MS: suitable
• Impuretés: ≤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)
• Résidus d'évap.: ≤2.0 mg/L
• Transmittance: 260 nm, ≥50%; 265 nm, ≥80%; 270 nm, ≥98%
• Indice de réfraction: n20/D 1.3720 (lit.)
• Point d'ébullition: 76.5-77.5 °C (lit.)
• Pf: −84 °C (lit.)
• Température de transition: flash point -4 °C
• Densité: 0.902 g/mL at 25 °C (lit.)
• Format: neat
• Température de stockage: 2-30°C
• Chaîne SMILES: CCOC(C)=O
• InChI: 1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3
• Clé InChI: XEKOWRVHYACXOJ-UHFFFAOYSA-N

Description

Description générale

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

Application

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

Caractéristiques et avantages

• 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

Notes préparatoires

Product filtered through a 0.2 μm filter

Remarque sur l'analyse

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.

Autres remarques

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

Informations légales

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

Informations sur la sécurité

• Pictogrammes: GHS02,GHS07
• Mention d'avertissement: Danger
• Mentions de danger: H225 - H319 - H336
• Conseils de prudence: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Classification des risques: Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• Organes cibles: Central nervous system
• Risques supp: EUH066
• Code de la classe de stockage: 3 - Flammable liquids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): 24.8 °F
• Point d'éclair (°C): -4 °C