WX0001

Water

OmniSolv^® LC-MS

• Linear Formula: H₂O
• CAS Number: 7732-18-5
• Molecular Weight: 18.02
• Beilstein: 2050024
• MDL number: MFCD00011332

Properties

• vapor pressure: 23 hPa ( 20 °C)
• Quality Level: 100
• 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.)
• bp: 100 °C (lit.)
• mp: 0 °C (lit.)
• 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
• shipped in: ambient
• storage temp.: room temp
• SMILES string: O
• InChI: 1S/H2O/h1H2
• InChI key: XLYOFNOQVPJJNP-UHFFFAOYSA-N

Description

Application

OmniSolv^® LC-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 Code: 12 - Non Combustible Liquids
• WGK: nwg
• Flash Point(F): No data available
• Flash Point(C): No data available