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Characteristic
Volume : x 1 kg

- Synonyms: Anhydrous soda
- Na2CO3
- M = 105,99 g/mol
- CAS [497-19-8]
- EINECS-No.: 207-838-8
- Solub. in water: (20 ºC): 220 g/l
- Melting point: 854 ºC
- Boiling point: 1600 ºC (decomposes)
- LD 50 (oral, rat): 4090 mg/kg
- EC-Index-No.: 011-005-00-2
- GHS-signal word: Warning
- GHS-H sentences: H319
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P337+P313
- Tariff number: 2836 20 00 00

SPECIFICATIONS
assay (acidimetric, on dried sample): min. 99,8 %
identity (IR-spectrum): passes test
insoluble in water: max. 0,01 %
chlorides (Cl): max. 0,001 %
phosphates (as PO4): max. 0,001 %
phosphates and silicates (as SiO2): max. 0,005 %
silica (SiO2): max. 0,005 %
total nitrogen (as N): max. 0,001 %
aluminium (Al): max. 0,001 %
arsenic (As): max. 1 ppm
calcium (Ca): max. 0,005 %
heavy metals (as Pb): max. 5 ppm
iron (Fe): max. 5 ppm
magnesium (Mg): max. 5 ppm
potassium (K): max. 0,005 %
sulphur compounds (as SO4): max. 0,003 %
loss on drying (300 °C): max. 1,0 %

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