Sodium hydroxide 50% (w/w) in aqueous solution (760 g/L) analytical reagent

Supplier: RICCA CHEMICAL CO

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Calcium hydroxide

Corrosive, 500A

Calcium hydroxide

Corrosive, 500A

Corrosive Warning

Irritant Warning

Danger

Synonyms: Caustic soda, Caustic soda, Sodium hydrate, Lye, Soda lye

R7291000-4A R7291000-20F R7291000-500A R7291000-20E1 R7291000-30E

RC72911EA 307.45 USD

RC72911 RC72915 RC729116 RC7291-5HP RCR7291000-30E

Sodium hydroxide 50% (w/w) in aqueous solution (760 g/L) analytical reagent

Sodium hydroxide

Formula: NaOH
MW: 40 g/mol
Boiling Pt: ~100 °C
Melting Pt: 12 °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

Specification Test Results

Appearance	Colorless liquid
Assay at 20 °C (traceable to NIST SRM 723)	50 - 52 % (w/w)
Chloride (Cl)	0.002% max
Heavy Metals (as Ag)	10 ppm (0.001%) max
Iron (Fe)	5 ppm (0.0005%) max
NH4OH Precipitate	0.01% max
Nickel (Ni)	5 ppm (0.0005%) max
Nitrogen Compounds (as N)	5 ppm (0.0005%) max
Phosphate (PO4)	5 ppm (0.0005%) max
Potassium (K)	0.01% max

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