Sodium hydroxide, Puriss., meets analytical specification of

Name: Sodium hydroxide
Synonymn: ‘Caustic soda’
Description: Puriss., meets analytical specification of BP, NF, Ph. Eur., E524, 98-100.5%, pellets

Container Type: Plastic Bottle

Molar Mass: 40.00 g/mol

Empirical Formula: HNaO
Linear Formula: NaOH

CAS Number: 1310-73-2
EC Number: 215-185-5
MDL Number: MFCD00003548

SPECIFICATIONS

Assay: 98.0 - 100.5 %
Assay of Na₂CO₃: max. 0.5 %
Aluminium (Al): max. 0.001 %
Arsenic (As): max. 2 ppm
Calcium (Ca): max. 0.001 %
Iron (Fe): max. 10 ppm
Mercury (Hg): max. 1 ppm
Potassium (K): max. 0.1 %
Lead (Pb): max. 0.5 ppm
Heavy metals (as Pb): max. 20 ppm
Chloride (Cl): max. 100 ppm
Total N: max. 0.0005 %
Phosphate (PO₄): max. 0.001 %
Silicate (as SiO₂): max. 0.01 %
Sulfate (SO₄): max. 100 ppm
Water insoluble matter + org. comp.: complying
Residual solvents: complying
Appearance of the solution: complying



PHYSICAL PROPERTIES

Vapor Density: >1 (vs air)
Vapor Pressure: 3 mmHg ( 37 °C)
Boiling Point: 1,390 °C
Freezing Point: 319 °C
Density: 2.13 g/cm3



SAFETY INFORMATION

Hazard Class: 8
Package Group: II
UN ID: 1823
Signal Word: Danger

GHS Classification:
Corrosive (GHS05)

Hazard Statement(s):
May be corrosive to metals (H290)
Causes severe skin burns and eye damage (H314)

Precautionary Statement(s):
Keep only in original container (P234)
Do not breathe dust/fume/gas/mist/vapours/spray (P260)
Wash thoroughly after handling (P264)
Wear protective gloves/protective clothing/eye protection/face protection (P280)

Certificate of Analysis Search
Safety Data Sheet Search
Certificate of Origin Search