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34877-M

Water

HPLC Plus

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About This Item

Linear Formula:
H2O
CAS Number:
7732-18-5
Molecular Weight:
18.02
UNSPSC Code:
12190000
NACRES:
NA.21
PubChem Substance ID:
329755083
EC Number:
231-791-2
Beilstein/REAXYS Number:
2050024
MDL number:
MFCD00011332
Grade:
HPLC Plus
Technique(s):
HPLC: suitable
Bp:
100 °C (lit.)
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grade

HPLC Plus

form

liquid

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable

impurities

≤0.0003% non-volatile matter, ≤1 ppb fluorescence (quinine) at 254 nm, ≤1 ppb fluorescence (quinine) at 365 nm

refractive index

n20/D 1.34 (lit.)

pH

6-8 (25 °C)

bp

100 °C (lit.)

mp

0 °C (32 °F), 0 °C (lit.)

solubility

water: miscible

density

1.000 g/mL at 3.98 °C (lit.)

anion traces

chloride (Cl-): ≤0.1 mg/kg, fluoride (F-): ≤0.1 mg/kg, nitrate (NO3-): ≤0.1 mg/kg, sulfate (SO42-): ≤0.1 mg/kg

HPLC-gradient

≤1 mAU at 254 nm, ≤5 mAU at 210 nm

application(s)

general analytical

SMILES string

O

InChI

1S/H2O/h1H2

InChI key

XLYOFNOQVPJJNP-UHFFFAOYSA-N

General description

HPLC Plus grade water is useful for the UHPLC (Ultra-High Pressure Liquid Chromatography) gradient elution and HPLC studies.

Application

Water has been used in the following studies:
  • To prepare the diluted hydrochloric acid solutions required for the preparation of standard solutions of amino acid.
  • In the sample extraction step during the gas chromatography mass spectrometric (GC-MS) analysis of free (FAA) and combined amino acids (CAA) in aerosol samples.
  • Preparation of tryptic digests from the standard protein samples and milk digests from milk samples.
  • Preparation of C60-aminopropylsilica.

Preparation Note

Product filtered through a 0.2 μm filter

Other Notes

Important notice
  • The article number 34877-4X2.5L-M will be discontinued. Please order the single bottle 34877-2.5L-M which is physically identical with the same exact specifications.
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Storage Class

12 - Non Combustible Liquids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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