Natriumsulfat
Bezeichnung:Natriumsulfat
CAS-Nr7757-82-6
Englisch Name:Sodium sulfate
CBNumberCB4100946
SummenformelNa2SO4
Molgewicht142.04214
MOL-Datei7757-82-6.mol
Synonyma
Natriumsulfat
Natriumsulfat, wasserfrei
Dinatriumsulfat
Natriumsulfat physikalisch-chemischer Eigenschaften
Schmelzpunkt | 884 °C (lit.) |
Siedepunkt | 1700°C |
Dichte | 2.68 g/mL at 25 °C (lit.) |
Brechungsindex | 1.484 |
storage temp. | Store at +5°C to +30°C. |
Löslichkeit | H2O: 1 M at 20 °C, clear, colorless |
Aggregatzustand | powder (fine) |
Wichte | 2.68 |
Farbe | White |
PH | 5.2-8.0 (50g/l, H2O, 20℃) |
Säure-Base-Indikators(pH-Indikatoren) | 5.2 - 9.2 |
Geruch (Odor) | wh. cryst. or powd., odorless, bitter saline taste |
Wasserlöslichkeit | 18.5 mg/L |
maximale Wellenlänge (λmax) | λ: 260 nm Amax: 0.015 λ: 280 nm Amax: 0.015 |
Sensitive | Hygroscopic |
Merck | 14,8680 |
Dielectric constant | 2.7(Ambient) |
Stabilität | Stable. Incompatible with strong acids, aluminium, magnesium, strong bases. Hygroscopic. |
Kennzeichnung gefährlicher | Xi |
R-Sätze: | 36/37/38 |
S-Sätze: | 24/25 |
WGK Germany | 1 |
RTECS-Nr. | WE1650000 |
F | 3 |
TSCA | Yes |
HS Code | 28331100 |
Giftige Stoffe Daten | 7757-82-6(Hazardous Substances Data) |
Toxizität | LD50 orally in Rabbit: > 2000 mg/kg |
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