320072

Wasser

ACS reagent, suitable for EPA 601

• Lineare Formel: H₂O
• CAS-Nummer: 7732-18-5
• Molekulargewicht: 18.02
• Beilstein: 2050024
• EG-Nummer: 231-791-2
• MDL-Nummer: MFCD00011332
• UNSPSC-Code: 12191602
• PubChem Substanz-ID: 329753952
• NACRES: NA.21

Eigenschaften

• product name: Wasser, ACS reagent
• Qualität: ACS reagent
• Qualitätsniveau: 200
• Agentur: suitable for EPA 601
• Dampfdichte: <1 (vs air)
• Dampfdruck: 3 mmHg
• Form: liquid
• Verunreinigungen: MnO₄^- reducers, passes test; ≤0.01% Silicate (as SiO₂); ≤0.01 ppm silicate
• Brechungsindex: n20/D 1.34 (lit.)
• pH-Wert: 6.0-8.0 (25 °C)
• Leitfähigkeit: ≤2 μmho per cm at 25 °C
• bp: 100 °C (lit.)
• mp (Schmelzpunkt): 0 °C (lit.)
• Dichte: 1.000 g/mL at 3.98 °C (lit.)
• Anionenspuren: chloride (Cl^-): ≤0.4 ppm; nitrate (NO₃^-): ≤0.4 ppm; phosphate (PO₄^3-): ≤1.0 ppm; sulfate (SO₄^2-): ≤1.0 ppm
• Kationenspuren: heavy metals (as Pb): ≤0.01 ppm
• SMILES String: O
• InChI: 1S/H2O/h1H2
• InChIKey: XLYOFNOQVPJJNP-UHFFFAOYSA-N

Beschreibung

Anwendung

Water can be used as a:

• Solvent to ensure the appropriate deposition and recrystallization of the matrix material used in the matrix-assisted laser desorption/ionization (MALDI) analysis.
• Mobile phase component in the high-performance liquid chromatography (HPLC) method used for the separation of polar compounds.

Sicherheitshinweise

• Lagerklassenschlüssel: 12 - Non Combustible Liquids
• WGK: nwg
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable