1.05589

Sodium hydroxide solution

30%, Suprapur^®

• Synonym(s): Sodium hydroxide solution
• Linear Formula: NaOH
• CAS Number: 1310-73-2
• Molecular Weight: 40.00
• MDL number: MFCD00003548
• UNSPSC Code: 12352305
• NACRES: NA.21

Properties

• product name: Sodium hydroxide solution 30%, Suprapur^®
• grade: for inorganic trace analysis
• Quality Level: 100
• agency: suitable for SM 2310; suitable for SM 2320; suitable for SM 5210
• vapor pressure: 3 mmHg ( 37 °C)
• form: liquid
• concentration: 30%
• pH: 14 (20 °C in H₂O)
• density: 1.33 g/cm³ at 20 °C
• storage temp.: 2-30°C
• SMILES string: [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• InChI key: HEMHJVSKTPXQMS-UHFFFAOYSA-M

Description

Analysis Note

Assay (acidimetric): ≥ 30.0 %
Chloride (Cl): ≤ 1000 ppb
Phosphate (PO₄): ≤ 50 ppb
Silicate (as SiO₂): ≤ 2000 ppb
Sulfate (SO₄): ≤ 2000 ppb
Al (Aluminium): ≤ 20 ppb
As (Arsenic): ≤ 50 ppb
Ba (Barium): ≤ 200 ppb
Ca (Calcium): ≤ 100 ppb
Cd (Cadmium): ≤ 2 ppb
Ce (Cerium): ≤ 5 ppb
Co (Cobalt): ≤ 2 ppb
Cr (Chromium): ≤ 10 ppb
Cu (Copper): ≤ 5 ppb
Eu (Europium): ≤ 5 ppb
Fe (Iron): ≤ 10 ppb
Hg (Mercury): ≤ 10 ppb
K (Potassium): ≤ 2000 ppb
La (Lanthanum): ≤ 5 ppb
Li (Lithium): ≤ 200 ppb
Mg (Magnesium): ≤ 50 ppb
Mn (Manganese): ≤ 2 ppb
Ni (Nickel): ≤ 5 ppb
Pb (Lead): ≤ 10 ppb
Sc (Scandium): ≤ 5 ppb
Sm (Samarium): ≤ 5 ppb
Sr (Strontium): ≤ 100 ppb
Tl (Thallium): ≤ 5 ppb
Y (Yttrium): ≤ 5 ppb
Yb (Ytterbium): ≤ 5 ppb
Zn (Zinc): ≤ 10 ppb

Legal Information

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H290 - H314
• pcodes: P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class: 8B - Non-combustible, corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable