Merck
All Photos(1)

69413

Supelco

Sodium hydroxide solution

suitable for HPLC, LiChropur, 49.0-51.0%

Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
MDL number:

vapor pressure

3 mmHg ( 37 °C)

form

solution

concentration

49.0-51.0%

technique(s)

HPLC: suitable

impurities

≤0.1% sodium carbnate (Na2CO3)

density

1.500-1.540 g/mL at 20 °C

λ

10 % in H2O

UV absorption

λ: 240 nm Amax: ≤0.17
λ: 260 nm Amax: ≤0.15
λ: 280 nm Amax: ≤0.08
λ: 300 nm Amax: ≤0.03
λ: 500 nm Amax: ≤0.02

SMILES string

[OH-].[Na+]

InChI

1S/Na.H2O/h;1H2/q+1;/p-1

Inchi Key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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General description

Sodium hydroxide is widely used in numerous industrial processes, including the manufacture of pulp and paper, soaps and detergents, textiles and drinking water. It is also used in the preparation of dyes, bleaches and drugs.

Application

Sodium hydroxide may be used:
  • As an extraction solvent in high-performance liquid chromatography (HPLC) in combination with inductively coupled plasma mass spectrometry (ICP-MS) (HPLC ICP-MS) speciation of selenium in enriched onion leaves.
  • As an analytical reagent in HPLC and HPLC coupled electrospray ionization tandem mass spectrometry (HPLC/ESI-MS/MS) determination of flavonoids and stilbenes in red wine and related biological products.

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Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

HPLC analysis of carbohydrates on POLYSPHER{\textregistered} CH OH columns using pulsed amperometric detection (PAD) with sodium hydroxide as post column detection reagent
Gey, MH
Fresenius Journal of Analytical Chemistry, 356, 339-343 (2000)
HPLC-ICP-MS speciation of selenium in enriched onion leaves-a potential dietary source of Se-methylselenocysteine
Wrobel K, et al.
Food Chemistry, 86(4), 617-623 (2004)
Determination of flavonoids and stilbenes in red wine and related biological products by HPLC and HPLC-ESI-MS-MS
Stecher G, et al.
Fresenius Journal of Analytical Chemistry, 371(1), 73-80 (2001)

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