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Natriumnitriet
|
Algemeen | |
|---|---|
| Naam | Natriumnitriet |
 |
 |
| Chemiese formule | NaNO2 |
| Molêre massa | 68,995 g/mol[1] |
| CAS-nommer | 7632-00-0[1] |
| Voorkoms | Gelerig wit vastestof[1] |
| Reuk | geen |
| Fasegedrag | |
| Fase | <158 °C ferroëlektriese fase |
| Ruimtegroep | Imm2 |
| Nommer | 44 |
| Strukturbericht | F5₅ |
| Smeltpunt | 271 °C[1] |
| Kookpunt | Ontbind: >320 °C[1] |
| Digtheid | 2,309 (rel water @ 16 °C) |
| Oplosbaarheid | >100g/L water (@ 19 °C)[1] |
| ΔfusHɵ | 14,937 [kJ/mol]@ 557K[2] |
| ΔfusSɵ | +26,817 [J/molK]@ 557K[2] |
| Cp(s) | 69,037 [J/Kmol] @ 298K[2] |
| Cp(l) | 121,336 [J/Kmol] @ 557K[2] |
| ΔfHɵ (s) | -358,987 [kJ/mol]@ 298K[2] |
| ΔfHɵ (l) | -341,784[kJ/mol]@ 557K[2] |
| Sɵf(s) | 121,336 [J/molK]@ 298K[2] |
| Sɵf(l) | 205,529 [J/molK]@ 557K[2] |
| ΔfGɵ (s) | -290,093 [kJ/mol]@ 298K[2] |
| ΔfGɵ (l) | -299,814 [kJ/mol]@ 557K[2] |
|
Suur-basis eienskappe | |
| pKa | |
|
Veiligheid | |
| Flitspunt | Nie-brandbaar[1] |
| LD50 | 85 mg/kg (rot, oraal);[1] |
|
Tensy anders vermeld is alle data vir standaardtemperatuur en -druk toestande. | |
Portaal  Chemie
| |
Natriumnitriet is die sout van natrium en salpterigsuur. Dit het die chemiese formule NaNO2.
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