Sodium hydroxide 50% (w/w) in aqueous solution, TITRISTAR®, Supelco®

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Synonyms: Sodium hydrateSoda lyeCaustic sodaLye

SX0597-3 1.58793.5000
CASX0597-3 CASX0597-1
Sodium hydroxide 50% (w/w) in aqueous solution, TITRISTAR®, Supelco®
Sodium hydroxide

NIST Traceable

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

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Specification Test Results

Heavy metals (as Ag) 0.002% max
Potassium (K) 0.025% max
Assay (NaOH) 49.0-51.0%
Assay (Sodium carbonate) 0.25% max
Silicate (SiO2) 0.01 max
Color at time of manufacture 20APHA max
Chloride (Cl) 0.005% max
Iron (Fe) 0.0005% max
Phosphate (PO4) 0.0005% max
Sulfate (SO4) 0.003% max

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