Natriumhydrogencarbonat
Bezeichnung:Natriumhydrogencarbonat
CAS-Nr144-55-8
Englisch Name:Sodium bicarbonate
CBNumberCB7492884
SummenformelCHNaO3
Molgewicht84.01
MOL-Datei144-55-8.mol
Synonyma
Natriumhydrogencarbonat
Sodiumbicarbonat
Natriumhydrogencarbonat physikalisch-chemischer Eigenschaften
Schmelzpunkt | >300 °C(lit.) |
Siedepunkt | 851°C |
Dichte | 2.16 g/mL at 25 °C (lit.) |
Brechungsindex | 1.500 |
storage temp. | 2-8°C |
Löslichkeit | H2O: 1 M at 20 °C, clear, colorless |
Aggregatzustand | solution (7.5%) |
Farbe | White |
Wichte | 2.159 |
Säure-Base-Indikators(pH-Indikatoren) | 7.8 - 8.2 |
PH | 8.27(1 mM solution);8.22(10 mM solution);8.02(100 mM solution); |
pka | (1) 6.37, (2) 10.25 (carbonic (at 25℃) |
Geruch (Odor) | Odorless |
Wasserlöslichkeit | 9 g/100 mL (20 ºC) |
Decomposition | 50 °C |
Merck | 14,8583 |
BRN | 4153970 |
BCS Class | 1 |
S-Sätze: | 24/25 |
WGK Germany | 1 |
RTECS-Nr. | VZ0950000 |
TSCA | Yes |
HS Code | 28363000 |
Giftige Stoffe Daten | 144-55-8(Hazardous Substances Data) |
Toxizität | LD50 orally in Rabbit: 4220 mg/kg |
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