Calciumdihydroxid
Bezeichnung:Calciumdihydroxid
CAS-Nr1305-62-0
Englisch Name:Calcium hydroxide
CBNumberCB9853016
SummenformelCaH2O2
Molgewicht74.09
MOL-Datei1305-62-0.mol
Synonyma
Calciumdihydroxid
Marmorkalkhydrat
Gel?schter Kalk
Calciumdihydroxid physikalisch-chemischer Eigenschaften
Schmelzpunkt | 580 °C |
Siedepunkt | 2850 °C |
Dichte | 2.24 g/mL at 25 °C (lit.) |
storage temp. | Store at +5°C to +30°C. |
Löslichkeit | 1.7g/l |
Aggregatzustand | Solid |
pka | 12.6[at 20 ℃] |
Farbe | White |
Geruch (Odor) | Odorless |
Säure-Base-Indikators(pH-Indikatoren) | 12.4 |
PH | 11.27(1 mM solution);12.2(10 mM solution);12.46(100 mM solution); |
Wasserlöslichkeit | 1.65 g/L (20 ºC) |
Sensitive | Air Sensitive |
Merck | 14,1673 |
Solubility Product Constant (Ksp) | pKsp: 5.26 |
Expositionsgrenzwerte | ACGIH: TWA 5 mg/m3 OSHA: TWA 15 mg/m3; TWA 5 mg/m3 NIOSH: TWA 5 mg/m3 |
Stabilität | Stable. Incompatible with strong acids. |
CAS Datenbank | 1305-62-0(CAS DataBase Reference) |
Kennzeichnung gefährlicher | Xi,C |
R-Sätze: | 41-34-37/38 |
S-Sätze: | 26-39-45-36/37/39-27 |
RIDADR | 3262 |
WGK Germany | 1 |
RTECS-Nr. | EW2800000 |
F | 34 |
TSCA | Yes |
HS Code | 2825 90 19 |
HazardClass | 8 |
PackingGroup | III |
Giftige Stoffe Daten | 1305-62-0(Hazardous Substances Data) |
Toxizität | LD50 orally in rats: 7.34 g/kg (Smyth) |
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