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Product Description

BisMuth trioxide

  • 1304-76-3
  • Bi2O3

CAS Number

1304-76-3

Product Name

Bismuth Oxide

Synonyms

Bismuth Oxide; Bismuth Trioxide; Bismuth(iii) Oxide; C.i. 77160

Molecular Formula

Bi4O6

Molecular Weight

931.918

InChI

1/4Bi.6O/rBi4O6/c5-1-6-3-8-2(5)9-4(7-1)10-3

EINECS

215-134-7;235-736-3

Appearance

Yellow Crystalline

Density

8.9

Melting Point

825oC

Solubility

INSOLUBLE in water

 

Certificate Of Analysis

Light Yellowish Powder:

ITEM SPECIFICATIONS TEST RESULTS
Bi2O3 Assay(%,min) 99.99 99.9907
Bi(%,min) 89.5 89.71
Appearance Light Yellowish Powder Light Yellowish Powder
Impurities(%,Max)
Li 0.0005 0.0001 
Na 0.005 0.0001
K 0.003 0.0002
Ca 0.003 0.0003
Mg 0.0007 0.0001
Al 0.002 0.0002
Si 0.005 0.0001
As 0.002 0.0001
Cd 0.0005 0.0001
Fe 0.001 0.0003
Sn 0.0005 0.0001
Cr 0.0008 0.0001 
Ni 0.0005  0.0001
Cu 0.0008 0.0001
Pb 0.0008  0.0007
Ag 0.001 0.0003
Sb 0.0008 0.0003
Cl- 0.001  0.0010
SO42- 0.001  0.0006
NiO3 Insolubles 0.01 0.0044
L.O.I 0.3  0.2
 
Tap Density 2.0-3.5g/cm3 2.95g/cm3

 

 Orange Yellowish Powder:

ITEM SPECIFICATIONS TEST RESULTS
Bi2O3 Assay(%,min) 99.99 99.9895
Bi(%,min) 89.5 89.65
Appearance Orange Yellowish Powder Orange Yellowish Powder
Impurities(%,Max)
Li 0.0005 0.0001 
Na 0.003  0.0001
K 0.001  0.0001
Ca 0.001 0.0003
Mg 0.0005 0.0005
Al 0.001  0.0005
Si 0.002 0.0001
As 0.001  0.0001
Cd 0.0005 0.0001
Fe 0.0005 0.0002
Sn 0.0005  0.0001 
Cr 0.0005  0.0001 
Ni 0.0005  0.0001
Cu 0.0005  0.0001
Pb 0.0005  0.0003
Ag 0.0005  0.0004
Sb 0.0005  0.0001
Cl- 0.001  0.0006
SO42- 0.001  0.0008
NiO3 Insolubles 0.05  0.013
L.O.I 0.3 0.25
 
Size(D50)   0.826um