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Calciumwolframat

Calcium tungstate Struktur
7790-75-2
CAS-Nr.
7790-75-2
Bezeichnung:
Calciumwolframat
Englisch Name:
Calcium tungstate
Synonyma:
CALC;EFHA3;MPXPS;CBARA1;ara CALC;DKFZp564C246;Allergen=Hom s 4;CALCIUM TUNGSTATE;calcium wolframate;Calciumtungstenoxi
CBNumber:
CB6135863
Summenformel:
CaO4W
Molgewicht:
287.92
MOL-Datei:
7790-75-2.mol

Calciumwolframat Eigenschaften

Schmelzpunkt:
1620°C
Dichte
6.06 g/mL at 25 °C (lit.)
storage temp. 
-20°C
L?slichkeit
Insoluble in H{2}O. Decomposes by hot HCl, HNO{3}
Aggregatzustand
Powder
Wichte
6.062
Farbe
white
Biologische Quelle
rabbit
Wasserl?slichkeit
insoluble H2O; decomposed by hot HCl, HNO3 [MER06]
Merck 
14,1712
Solubility Product Constant (Ksp)
pKsp: 8.06
Expositionsgrenzwerte
ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3
InChI
1S/Ca.4O.W/q+2;;;2*-1;
InChIKey
FDMFQOCGNBYKPY-UHFFFAOYSA-N
SMILES
[Ca++].[O-][W]([O-])(=O)=O
CAS Datenbank
7790-75-2(CAS DataBase Reference)
EPA chemische Informationen
Calcium tungsten oxide (CaWO4) (7790-75-2)
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
WGK Germany  3
TSCA  TSCA listed
HS Code  28418030
Speicherklasse 11 - Combustible Solids
Bildanzeige (GHS) Exclamation Mark (GHS07)
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H315 Verursacht Hautreizungen. Hautreizung Kategorie 2 Warnung P264, P280, P302+P352, P321,P332+P313, P362
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung P264, P280, P305+P351+P338,P337+P313P
H335 Kann die Atemwege reizen. Spezifische Zielorgan-Toxizit?t (einmalige Exposition) Kategorie 3 (Atemwegsreizung) Warnung
Sicherheit
P261 Einatmen von Staub vermeiden.
P271 Nur im Freien oder in gut belüfteten R?umen verwenden.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.

Calciumwolframat Chemische Eigenschaften,Einsatz,Produktion Methoden

Chemische Eigenschaften

-325 mesh, 10μm or less 99.9% pure; occurs in nature as mineral scheelite; white tetr powder(s), a=0.524 nm, c=1.138 nm; can be prepared by heating tungstic acid and CaO or CaCO3; used in tumor treatment and in luminous paint [KIR83] [STR93] [MER06]
Calcium tungstate
Large orange octahedral scheelite, Ca(WO4), crystal to 4.5 cm on muscovite, KAl2(AlSi3O10)(OH)2. Pingwu Co., Mianyang pref., Sichuan prov., China.

Verwenden

Calcium tungstate can be ued for preparing screens for x-ray observations and photographs; in luminous paints; in scintillation counters.

Allgemeine Beschreibung

Calcium tungstate (CaWO4) is an optical material, which can be used as a laser host material for a variety of electronic applications. It has a scheelite structure with luminescence, and thermo-luminescence properties.

Structure and conformation

The space lattice of CaWO4 belongs to the tetragonal system, and its Scheelite structure has lattice constants of a=0.524 nm and c=1.138 nm. The space group is I41/a, and there are four formula units per unit cell.

Calciumwolframat Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Calciumwolframat Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 164)Lieferanten
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7790-75-2(Calciumwolframat)Verwandte Suche:


  • ACID CALCIUM PHOSPHATE, MONOHYDRATE
  • Calcium orthotungstate
  • calcium wolframate, not of a kind used as a luminophore
  • calcium wolframate, of a kind used as a luminophore
  • Calciumtungstatewhitepowder
  • CALCIUM TUNGSTATE(VI)
  • CALCIUM TUNGSTEN OXIDE
  • calcium wolframate
  • CALCIUM ACID PHOSPHATE MONOHYDRATE
  • CALCIUM BIPHOSPHATE
  • CALCIUM BIPHOSPHATE, MONOHYDRATE
  • CALCIUM BIS(DIHYDROGENPHOSPHATE) MONOHYDRATE
  • CALCIUM DIHYDROGEN PHOSPHATE
  • CALCIUM DIHYDROGENPHOSPHATE MONOHYDRATE
  • CALCIUM TETRAHYDROGEN DIPHOSPHATE MONOHYDRATE
  • calcium tetraoxotungstate
  • CALCIUM PHOSPHATE MONOBASIC MONOHYDRATE
  • CALCIUM PHOSPHATE MONOHYDRATE, MONOBASIC
  • CALCIUM TUNGSTATE
  • DKFZp564C246
  • EFHA3
  • Calcium tungstate(Ⅵ)
  • CALCIUM TUNGSTATE, POWDER
  • Calciumtungstenoxide,99.78%(metalsbasis)
  • CALCIUM TETRAHYDROGEN DIPHOSPHATE 1-HYDRATE
  • Calciumtungstate,98%
  • Calcium tungsten oxide (CaWO4)
  • Tungstate (WO42#-), calcium (1:1), (T-4)-
  • Tungstic acid calcium salt
  • CALC
  • Calcium tungstate, extra pure
  • PRIM-CALCIUM PHOSPHATE MONOHYDRATE
  • MONOCALCIUM PHOSPHATE
  • Allergen=Hom s 4
  • ANTI-CBAA1 (N-TERM) antibody produced in rabbit
  • ara CALC
  • Atopy-related autoantigen CALC
  • CBARA1
  • Anti-CBARA1 antibody produced in goat
  • calcium binding atopy-related autoantigen 1
  • (beta-4)-tungstate(wo42-calcium(1:1)
  • CALCIUM TETRAHYDROGEN DIPHOSPHATE MONHYDRATE
  • Calcium tungsten oxid
  • Calcium tungstate(VI) 99.9%
  • Calciumtungstenoxi
  • Calcium tungstate ISO 9001:2015 REACH
  • 7790-75-2 Calcium tungstate
  • Calcium tungsten oxide, 98%,
  • MPXPS
  • 7790-75-2
  • H4CaO8P2
  • Inorganics
  • Tungstates
  • Ceramics
  • Metal and Ceramic Science
  • metal tungstate
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