WX0001

Acqua

suitable for LC/MS, OmniSolv^®, suitable for SM 4500 - NH3

• Sinonimo/i: Aqua, Dihydrogen oxide
• Formula condensata: H₂O
• Numero CAS: 7732-18-5
• Peso molecolare: 18.02
• Beilstein: 2050024
• Numero MDL: MFCD00011332
• Codice UNSPSC: 50202301

Proprietà

• Nome del prodotto: Acqua, Suitable for LCMS chromatography, OmniSolv® (Updated non-compliant text)
• agenzia: suitable for SM 4500 - NH3
• Livello qualitativo: 100
• Tensione di vapore: 23 hPa ( 20 °C)
• Nome Commerciale: OmniSolv^®
• Stato: liquid
• Durata: 12 mo. (from manufacture date)
• tecniche: HPLC: suitable; LC/MS: suitable
• Impurezze: ≤50 ppb p-nitrophenol (LC/MS); ≤50 ppb reserpine (LC/MS)
• Residuo dopo evaporazione: ≤1 ppm
• Indice di rifrazione: n20/D 1.34 (lit.)
• pH: 6.0- 8.0 (25 °C, 77 °F)
• P. ebollizione: 100 °C (lit.)
• Punto di fusione: 0 °C (lit.)
• Solubilità: water: miscible
• Densità: 1.000 g/mL at 3.98 °C (lit.)
• UV cutoff: ≤190 nm
• Assorbanza UV: λ: 200 nm A_max: ≤0.01; λ: 210 nm A_max: ≤0.01; λ: 220 nm A_max: ≤0.01; λ: 230 nm A_max: ≤0.01; λ: 240 nm A_max: ≤0.01; λ: 250 nm A_max: ≤0.005; λ: 270 nm A_max: ≤0.005; λ: 400-280 nm A_max: ≤0.005
• applicazioni: general analytical
• Condizioni di spedizione: ambient
• Temperatura di conservazione: room temp
• Stringa SMILE: O
• InChI: 1S/H2O/h1H2; XLYOFNOQVPJJNP-UHFFFAOYSA-N

Descrizione

Descrizione generale

Water of OmniSolv^® grade is commonly used as a solvent for liquid chromatography-mass spectrometry (LC-MS-MS) analysis and as a rinsing solvent to wash columns. [1]

Applicazioni

Water OmniSolv^® grade is used as a mobile phase solvent for preparing samples to analyze 4-hydroxynonenal-glutathione by LC-MS/MS. [2]

Nota sulla preparazione

Product filtered through a 0.2 μm filter

Risultati analitici

Expiration date: Exp 12 months from mfg date
Evaporation residue: 1ppm max
Filtered through 0.2 m filter: To pass test
Fluorescence as quinine at 254 nm: 1ppb max
Fluorescence as quinine at 365 nm: 1ppb max
Gradient at 210 nm: 2mAU max
Gradient at 254 nm: 0.5mAU max
LC/MS Purity (p-nitrophenol): 50ppb max
LC/MS Purity (reserpine): 50ppb max
Metals, suitable for LC/MS: Passes test
UV Abs. at 200 nm: 0.01AU max
UV Abs. at 210 nm: 0.01AU max
UV Abs. at 220 nm: 0.01AU max
UV Abs. at 230 nm: 0.01AU max
UV Abs. at 240 nm: 0.01AU max
UV Abs. at 250 nm: 0.005AU max
UV Abs. at 270 nm: 0.005AU max
UV Abs. at 400-280 nm: 0.005AU max
UV Cut-off: 190nm max

Note legali

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

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 12 - Non Combustible Liquids
• Classe di pericolosità dell'acqua (WGK): nwg
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable