Antimony pentoxide
Other name: Diantimony pentoxide, Antimonic anhydride; 1,3-dioxodistiboxane 1,3-dioxide; antimonic acid
CAS no. : 1314-60-9
Molecular formula: Sb2O5
Molecular weight: 323.50
EINECS no. : 215-237-7
Relative density (water =1) : 3.78
- 描述
- Inquiry
Appearance: powdery: white to yellowish powder; Colloidal: yellowish yellow liquid.
Physical and chemical properties: solubility: insoluble in water, soluble in hydrochloric acid; Stability: stability; Solubility: slightly soluble in water, not compatible with other acids except concentrated sulfuric acid; Preparation or source: antimony metal or antimony trioxide reacts with concentrated nitric acid; Other: in the 380 ℃ lose oxygen into four antimony oxide, in 930 ℃ from loss of oxygen antimony trioxide; Soluble in strong alkali antimonate; Hazard marker 15(harmful, keep away from food)
Application: mainly used in the manufacture of pressure-sensitive electron, antimonate, antimony compound, pharmaceutical industry, rubber, plastic flame retardant.
Purity:≥95%
(As)Arsenic≤ 0.02%
(Fe)Iron≤0.005%
Heavy metals≤0.001%
Substances not precipitated by hydrogen sulfide≤0.1%
(Sb2o3)≤3.0%
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Other name: Antimony (III) fluoride
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Molecular formula: F3Sb
Molecular weight: 178.7552
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Water solubility :385 G/100 ML (20 ° C) -
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Formula: Sb2Te3
Molecular weight: 626.32
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Melting point: 620 ℃Purity: 99.99%
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Forbidden band width: 0.23Ev
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Other name: Antimony trioxide, diantimony trioxide, Antimony(III) oxide
CAS no. : 1309-64-4; 1327-33-9
EINECS no. : 215-175-0; 215-474-6
Molecular formula: Sb2O3
Molecular weight: 291.517
Melting point: 656℃ (subl.)
Water solubility: Slightly soluble -
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Boiling point: 3500 ℃ -
Cobalt silicide CoSi2
Particle size:325mesh
Chemical composition:
Co:51% Si:48.5%
Other impurity:0.5%Chemical formula CoSi2. Molecular weight: 115.11. Dark brown trapezius crystal. Melting point 1277 ℃, Relative density 5.3. It can be oxidized at 1200℃ to erode its surface. Reacts with fluorine at low temperature; It reacts with chlorine at 300 degrees Celsius.
