Sodium hydroxide 49,0 - 51,0% (w/w) in aqueous solution

Supplier: VWR

Corrosive Warning

Danger

Synonyms: Caustic soda

83082-540 83082-700 83082-940

CA71008-652CS 1070.56 CAD

CA71008-652 CA71008-656 CA71008-660

Sodium hydroxide 49,0 - 51,0% (w/w) in aqueous solution

Sodium hydroxide

Formula: NaOH
MW: 40 g/mol
Boiling Pt: 119…135 °C (1013 hPa)
Melting Pt: 9…10 °C
Density: 1.53 g/cm³ (20 °C)
Storage Temperature: Ambient

MDL Number: MFCD00003548
CAS Number: 1310-73-2
EINECS: 215-185-5
UN: 1824
ADR: 8 II
Merck Index: 14,08627

Specification Test Results

Assay (NaOH)	49.0 - 51.0% w/w
Sodium carbonate (Na2CO3)	0.3% max.
Chloride (Cl)	0.01% max.
Nitrogen compounds (as N)	5 ppm max.
Phosphate (PO4)	5 ppm max.
Sulfate (SO4)	0.002% max.
Heavy metals (as Ag)	0.001% max.
Iron (Fe)	5 ppm max.
Potassium (K)	0.05% max.
Nickel (Ni)	0.001% max.
Appearance	Clear, colourless solution

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