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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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.
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Other name: chromium disilicide
CAS no. : 12018-9-6
EINECS no. : 235-726-9
Molecular formula: H2CrSi2
Molecular weight: 110.183
Melting point: 1490 ℃
Density: 5.5 g/cm3
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Antimony oxide nano powder
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 -
Nano boron carbide
CAS no. : 12069-32-8
EINECS no. : 235-111-5
Molecular formula: B4C
Molecular weight: 55.25
Density: 2.51
Melting point: 2350 ℃
Boiling point: 3500 ℃ -
Nanometer Boron nitride
English alias: Boron Nitride Rod; nitriloborane
CAS no. : 10043-11-5
EINECS no. : 233-136-6
Formula: BN
Molecular weight: 24.8177
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Antimony telluride
Other name: Diantimony tritelluride, antimony(iii) telluride
CAS no. : 1327-50-0
Formula: Sb2Te3
Molecular weight: 626.32
Density: 6.5 g/cm3
Melting point: 620 ℃Purity: 99.99%
Particle size: 200 mesh
Appearance: grey powder
Forbidden band width: 0.23Ev
Resistivity: 3 * 10-6 Ω m.
Solubility: insoluble in water -
Antimony trifluoride
Other name: Antimony (III) fluoride
CAS no. : 7783-56-4
EINECS no. : 232-009-2
Molecular formula: F3Sb
Molecular weight: 178.7552
Molecular formula: SbF3
Molecular weight: 178.75
Density: 4.379
Melting point: 292 DHS C
Sublimation point :376 ° C
Boiling point: 376 DHS C
Water solubility :385 G/100 ML (20 ° C) -
Chromium boride CrB
Other name:Chromium diboride
CAS no. : 12006-80-3
EINECS no. : 234-488-3
Molecular formula: C2H9Br
Molecular weight: 112.9969
Melting point: 1300 ℃
Density: 7.63 g/cm3
