MilliporeSigma
All Photos(1)

SX0590

Supelco

Sodium Hydroxide Pellets

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):
‘Caustic soda’, Sodium hydroxide, Caustic Soda,Soda Lye, Caustic Soda
Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
MDL number:
EC Index Number:
215-185-5

Quality Level

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

assay

99-100% (NaOH)

form

pellets

impurities

≤1% Sodium carbonate

pH

>14 (20 °C, 100 g/L in H2O)

mp

318 °C (lit.)

solubility

1090 g/L

density

2.13 g/cm3 at 20 °C

anion traces

chloride (Cl-): ≤0.0005%
phosphate (PO43-): ≤0.0005%
silicate (as SiO2): ≤0.001%
sulfate (SO42-): ≤0.0005%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Fe: ≤0.0005%
Hg: ≤0.1 ppm
K: ≤0.02%
Mg: ≤0.002%
Ni: ≤0.0005%
heavy metals (as Ag): ≤0.0005%

shipped in

ambient

storage temp.

room temp

SMILES string

[OH-].[Na+]

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

Analysis Note

Aluminum (Al): 0.0005% max
Appearance of solution: Passes test
Assay (NaOH): 99-100%
Calcium (Ca): 0.0005% max
Chloride (Cl): 0.0005% max
Heavy metals (as Ag): 0.0005% max
Identity: Passes test
Iron (Fe): 0.0005% max
Magnesium (Mg): 0.002% max
Mercury (Hg): 0.1ppm max
Nickel (Ni): 0.0005% max
Nitrogen compounds (as N): 0.0003% max
Phosphate (PO4): 0.0005% max
Potassium (K): 0.02% max
Silicate (SiO2): 0.001% max
Sodium carbonate: 1.0% max
Sulfate (SO4): 0.0005% max

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Quality

Enter Lot Number to search for Certificate of Quality (COQ).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service