Sodium hydroxide solution 50%, for HPLC

Name: Sodium hydroxide solution
Description: for HPLC, 50%

Container Type: Plastic Bottle

Molar Mass: 40.0 g/mol

Empirical Formula: HNaO
Linear Formula: NaOH

CAS Number: 1310-73-2
MDL Number: MFCD00003548
UNSPSC Code: 12352316

SPECIFICATIONS

Assay: 49.0 - 51.0 %
Density (D 20/4): 1.500 - 1.540
Carbonate (as Na₂CO₃): max. 0.1 %
Absorbance 500 nm: max. 0.02
Absorbance at 300 nm: max. 0.03
Absorbance 280 nm: max. 0.08
Absorbance at 260 nm: max. 0.15
Absorbance at 240 nm: max. 0.17
Suitability test (HPLC): complying



PHYSICAL PROPERTIES

Vapor Pressure: 3 mmHg ( 37 °C)
Boiling Point: 143 °C
Freezing Point: 12 °C
Density: 1.525 g/cm3



SAFETY INFORMATION

Hazard Class: 8
Package Group: II
UN ID: 1824
Signal Word: Danger

GHS Classification:
Corrosive (GHS05)

Hazard Statement(s):
May be corrosive to metals (H290)
Causes severe skin burns and eye damage (H314)

Precautionary Statement(s):
Do not breathe dust/fume/gas/mist/vapours/spray (P260)
Wear protective gloves/protective clothing/eye protection/face protection (P280)