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33377
Sodium carbonate, ACS primary standard, 99.95-100.05% (dried basis)

CAS: 497-19-8 MDL: MFCD00003494  EINECS: 207-838-8
Not regulated for shipping

 

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Chemical Properties

Formula: Na2CO3  Density: 2.53
Formula weight: 105.99  Refractive Index: 1.535
Form: Granular Sensitivity: Hygroscopic

Notes

m.p. 851° (begins to lose CO2 at 400°). For use as an alkalimetric standard, material should be heated at 285° for 2 hrs.

Grade Specs

Maximum level of impurities: Insoluble matter 0.01%, Loss on drying at 285° 1.0%, Cl 0.001%, Nitrogen compounds (as N) 0.001%, PO4 0.001%, SiO2 0.005%, Sulfur compounds (as SO4) 0.003%, Ammonium hyrdoxide precipitate 0.01%, Ca 0.02%, Mg 0.004%, Heavy Metals (as Pb) 5ppm, Fe 5ppm, K 0.005%

Other References

Merck: 14,8596
Beilstein: 4154566
Harmonized Tariff Code:   2836.20

GHS Hazard and Precautionary Statements

Hazard Statements : H319

Causes serious eye irritation.

Precautionary Statements : P280-P264-P305+P351+P338-P337+P313

Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention.

Harmful or Irritant

Risk & Safety

Risk Phrases: 36
Irritating to eyes.
Safety Phrases: 22-26
Do not breathe dust. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Irritant
TSCA: Yes
RTECS: VZ4050000