WX0001

Water

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

• Synonym(s): Aqua, Dihydrogen oxide
• Linear Formula: H₂O
• CAS Number: 7732-18-5
• Molecular Weight: 18.02
• Beilstein/REAXYS Number: 2050024
• MDL number: MFCD00011332
• UNSPSC Code: 50202301

Properties

• product name: Water, OmniSolv^® LC-MS (change the ID Clarifier to read: for chromatography (LC-MS Grade)OmniSolv®)
• agency: suitable for SM 4500 - NH3
• Quality Level: 100
• vapor pressure: 23 hPa ( 20 °C)
• product line: OmniSolv^®
• form: liquid
• shelf life: 12 mo. (from manufacture date)
• technique(s): LC/MS: suitable
• impurities: ≤50 ppb p-nitrophenol (LC/MS); ≤50 ppb reserpine (LC/MS)
• evapn. residue: ≤1 ppm
• refractive index: n20/D 1.34 (lit.)
• pH: 6.0- 8.0 (25 °C, 77 °F)
• bp: 100 °C (lit.)
• mp: 0 °C (lit.)
• solubility: water: miscible
• density: 1.000 g/mL at 3.98 °C (lit.)
• UV cutoff: ≤190 nm
• UV absorption: 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
• application(s): general analytical
• shipped in: ambient
• storage temp.: room temp
• SMILES string: O
• InChI: 1S/H2O/h1H2
• InChI key: XLYOFNOQVPJJNP-UHFFFAOYSA-N

Description

General description

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.

Application

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

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

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

Legal Information

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

Safety Information

• Storage Class: 12 - Non Combustible Liquids
• wgk_germany: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable