Sodium hydroxide solution 50% in H2O

Analytical Standard


Synonym: 
Linear Formula:  NaOH
Molecular Weight:  40.0 g/mol
CAS Number:  1310-73-2

Properties

Vapour pressure < 24 hPa at 20 °C
Water Solubility 4 hPa at 37 °C completely miscible, soluble
Assay Purity 48 - 52 %
B pt. < 24 hPa at 20 °C
M pt. <24hPaat20°C

Safety Information

Hazard Statement(s) H290,H314
Precautionary Statement  P234,P260,P280 ,P303 + P361 + P353 ,P304 + P340 + P310,P305 + P351 + P338
Symbol
Signal word Danger
Storage Temp. RT
Storage Class 8B
UN Number 1823

Description

Application
Sodium hydroxide may be employed for the determination of specific surface area of colloidal silica via titration.[3] It may be employed for the direct oxidation of sodium borohydride which was investigated by cyclic and linear voltammetry chronoamperometry and chronopotentiometry.