Calciumcarbonat
Bezeichnung:Calciumcarbonat
CAS-Nr471-34-1
Englisch Name:Calcium carbonate
CBNumberCB2154602
SummenformelCCaO3
Molgewicht100.0869
MOL-Datei471-34-1.mol
Synonyma
Calciumcarbonat
Carbonsäure Calciumsalz
Calciumcarbonat physikalisch-chemischer Eigenschaften
Schmelzpunkt | 825 °C |
Siedepunkt | 800 °C |
Dichte | 2.93 g/mL at 25 °C (lit.) |
Brechungsindex | 1.6583 |
storage temp. | Store at +5°C to +30°C. |
Löslichkeit | 5 M HCl: 0.1 M at 20 °C, clear, colorless |
Aggregatzustand | random crystals |
Wichte | 2.93 |
Farbe | White-beige to slightly beige-gray |
PH | 9.91(1 mM solution);9.91(10 mM solution);9.91(100 mM solution); |
Geruch (Odor) | Odorless |
Säure-Base-Indikators(pH-Indikatoren) | 8 |
Wasserlöslichkeit | Insoluble |
maximale Wellenlänge (λmax) | λ: 260 nm Amax: ≤0.09 λ: 280 nm Amax: ≤0.06 |
Merck | 14,1657 |
BRN | 8008338 |
Solubility Product Constant (Ksp) | pKsp: 8.54 |
Expositionsgrenzwerte | NIOSH: TWA 10 mg/m3; TWA 5 mg/m3 |
Kennzeichnung gefährlicher | Xi |
R-Sätze: | 37/38-41-36/38-36 |
S-Sätze: | 26-36/37/39-37/39-37 |
WGK Germany | - |
RTECS-Nr. | FF9335000 |
TSCA | Yes |
HS Code | 28365000 |
Giftige Stoffe Daten | 471-34-1(Hazardous Substances Data) |
Toxizität | LD50 orally in Rabbit: 6450 mg/kg LD50 dermal Rat > 2000 mg/kg |
Calciumcarbonat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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