Sodium Carbonate Anhydrous

Sodium Carbonate Anhydrous

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Product Information
CAS number 497-19-8
EC index number 011-005-00-2
EC number 207-838-8
Grade ISO
Hill Formula CNa₂O₃
Chemical formula Na₂CO₃
Molar Mass 105.99 g/mol
HS Code 2836 20 00

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Description

Physicochemical Information
Boiling point 1600 °C (decomposition)
Density 2.52 – 2.53 g/cm3 (20 °C)
Melting Point 851 °C
pH value 11.16 (4 g/l, H₂O, 25 °C)
Bulk density 1100 kg/m3
Solubility 212.5 g/l

Toxicological Information
LD 50 oral LD50 Rat 4090 mg/kg

Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s) H319: Causes serious eye irritation.
Precautionary Statement(s) P264: Wash skin thoroughly after handling.
P280: Wear eye protection/ face protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word Warning
RTECS VZ4050000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Safety Information
Categories of danger irritant

Storage and Shipping Information
Storage Store at +2°C to +30°C.

Specifications
Assay (acidimetric; calculated on dried substance) ≥ 99.9 %
Chloride (Cl) ≤ 0.002 %
Phosphate (PO₄) ≤ 0.001 %
Silicate (as SiO₂) ≤ 0.002 %
Total sulfur (as SO₄) ≤ 0.005 %
Total nitrogen (N) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0005 %
Al (Aluminium) ≤ 0.001 %
Ca (Calcium) ≤ 0.005 %
Fe (Iron) ≤ 0.0005 %
K (Potassium) ≤ 0.01 %
Mg (Magnesium) ≤ 0.0005 %
Loss on drying (300 °C) ≤ 1.0 %
Corresponds to ISO

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