Merck Sodium hydroxide, pellets, analytical reagent grade, (max. 0.02% K), ACS, Reag. ISO, Reag. Ph. Eur., ≥98.0%, Supelco, GR for Analysis, EMSURE, 12kg, plastic drum, 1.06469.9012

CAS Number:     1310-73-2
EC Number:     215-185-5
Linear Formula:     NaOH
Molar Mass:     40.00 g/mol
MDL Number:     MFCD00003548
Beilstein/REAXYS Registry Number:     N/A
PubChem Substance ID:     N/A

Synonym(s):     Sodium oxidanide, Caustic soda, Sodium hydrate, NaOH, Lye, Ascarite, White caustic

Sodium hydroxide, analytical reagent grade, maximum 0.02% K (potassium), ACS reagent, Reag. ISO, Reag. Ph. Eur., ≥98.0% assay, Merck, Supelco, GR for Analysis, EMSURE, 12kg, PE drum, 1.06469.9012.

Assay (acidimetric, NaOH): ≥ 98.0 %

Assay (total alkalinity calc. as NaOH): 97.0- 100.5 %

Identity: passes test

Appearance of solution: passes test

Carbonate (as Na₂CO₃): ≤ 1.0 %

Chloride (Cl): ≤ 0.005 %

Phosphate (PO₄): ≤ 0.0005 %

Silicate (SiO₂): ≤ 0.01 %

Sulfate (SO₄): ≤ 0.003%

Total nitrogen (N): ≤ 0.003 %

Heavy metals (as Ag): ≤ 0.002 %

Al (Aluminium): ≤ 0.0005 %

As (Arsenic): ≤ 0.0001 %

Ca (Calcium): ≤ 0.002 %

Cu (Copper): ≤ 0.0002 %

Fe (Iron): ≤ 0.0010 %

Hg (Mercury): ≤ 0.00001 %

K (Potassium): ≤ 0.02 %

Mg (Magnesium): ≤ 0.0005 %

Ni (Nickel): ≤ 0.00025 %

Pb (Lead): ≤ 0.001 %

Zn (Zinc): ≤ 0.001 %

Corresponds to ACS, ISO, Reag. Ph. Eur.

Grade: ACS reagent

Quality Segment: 300

Agency: reag. ISO, reag. Ph. Eur.

Vapor density: >1 (vs air)

Vapor pressure: <18 mmHg ( 20 °C), 3 mmHg ( 37 °C)

Product line: EMSURE

Assay: 97.0-100.5% (total alkalinity calculated as NaOH)

Form: pellets

Impurities: ≤0.0003% Total nitrogen (N)

pH: >14 (20 °C, 100 g/L in H2O)

MP: 318 °C (lit.)

Solubility: water 1090 g/L at 20 °C

Density: 2.13 g/cm3 at 20 °C

Anion traces

Phosphate (PO43-): ≤0.0005%,

Carbonate (as Na2CO3): ≤1.0%,

Chloride (Cl-): ≤0.005%,

Silicate (as SiO2): ≤0.01%,

Sulfate (SO42-): ≤0.003%

Cation traces

Al (Aluminium): ≤0.0005%,

As (Arsenic): ≤0.0001%,

Cu (Copper): ≤0.0002%,

Hg (Mercury): ≤0.00001%,

K (Potassium): ≤0.020%,

Mg (Magnesium): ≤0.0005%,

Zn (Zinc): ≤0.001%,

Ca (Calcium): ≤0.002%,

Fe (Iron): ≤0.0010%,

Ni (Nickel): ≤0.00025%,

Pb (Lead): ≤0.001%,

Heavy metals (as Ag): ≤0.002%

SMILES string [OH-].[Na+] storage temp. 2-30°C

InChI 1S/Na.H2O/h;1H2/q+1;/p-1

InChI key HEMHJVSKTPXQMS-UHFFFAOYSA-M

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