ChemicalBook > CAS DataBase List > Bismuth(III) Oxide

Bismuth(III) Oxide

Product Name
Bismuth(III) Oxide
CAS No.
1304-76-3
Chemical Name
Bismuth(III) Oxide
Synonyms
BISMUTH OXIDE;BISMUTH(III) OXIDE;Dibismuth trioxide;Bismuth(III) oxide,99.9%;Bi2-O3;Bismite;c.i.77160;C.I. 77160;bismuthyellow;Bismuth 0xide
CBNumber
CB5716407
Molecular Formula
BiO3-
Formula Weight
256.98
MOL File
1304-76-3.mol
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Bismuth(III) Oxide Property

Melting point:
825 °C
Boiling point:
1890°C
Density 
8.9
Flash point:
1890°C
storage temp. 
Store at +5°C to +30°C.
solubility 
0.006g/l practically insoluble
form 
powder
color 
Yellow
Specific Gravity
8.9
Odor
Odorless
Water Solubility 
INSOLUBLE
Merck 
14,1273
crystal system
Monoclinic
Space group
P21/c
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.58480.81660.75190113900.3301
Stability:
Stable.
InChIKey
KOCGCHBRHPOCBW-UHFFFAOYSA-N
CAS DataBase Reference
1304-76-3(CAS DataBase Reference)
NIST Chemistry Reference
bismuth(III) oxide(1304-76-3)
EPA Substance Registry System
Bismuth trioxide (1304-76-3)
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
36/37/38-20/21/22
Safety Statements 
26-36/37-36
WGK Germany 
2
RTECS 
EB2984460
TSCA 
Yes
HS Code 
2825 90 85
Toxicity
LD50 orally in Rabbit: 5000 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H303May be harmfulif swallowed

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
202827
Product name
Bismuth(III) oxide
Purity
powder, 99.999% trace metals basis
Packaging
10g
Price
$60.7
Updated
2024/03/01
Sigma-Aldrich
Product number
202827
Product name
Bismuth(III) oxide
Purity
powder, 99.999% trace metals basis
Packaging
50g
Price
$188
Updated
2024/03/01
Sigma-Aldrich
Product number
1.01862
Product name
Bismuth(III) oxide
Purity
EMPLURA?
Packaging
1kg
Price
$839
Updated
2024/03/01
Sigma-Aldrich
Product number
1.01862
Product name
Bismuth(III) oxide
Purity
EMPLURA?
Packaging
25kg
Price
$12140
Updated
2024/03/01
Alfa Aesar
Product number
010658
Product name
Bismuth(III) oxide, Puratronic?, 99.9995% (metals basis)
Packaging
50g
Price
$110
Updated
2024/03/01
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Bismuth(III) Oxide Chemical Properties,Usage,Production

Chemical Properties

Heavy, Yellow Powder

Chemical Properties

Bismuth(III) oxide is the compound produced by heating the metal, or its carbonate, in air. It is definitely a basic oxide, dissolving readily in acid solutions, and unlike the arsenic or antimony compounds, not amphiprotic in solution, although it forms stoichiometric addition compounds on heating with oxides of a number of other metals. It exists in three modifications, white rhombohedral, yellow rhombohedral, and gray-black cubical. Bismuth(II) oxide, BiO, has been produced by heating the basic oxalate.

Physical properties

Yellow monoclinic crystal or powder; density 8.90 g/cm3; melts at 817°C; vaporizes at 1,890°C; insoluble in water; soluble in acids.

Occurrence

Bismuth trioxide occurs in nature as mineral bismite. The oxide is used in fireproofing of papers and polymers; in enameling cast iron ceramic; and in disinfectants.

Uses

In disinfectants, magnets, glass, rubber vulcanization; in fireproofing of papers and polymers; in catalysts.

Uses

Bismuth(III) oxide is used in the preparation of BiFeO3perovskite nanoparticles. It finds use in disinfectants, magnets, glass, rubber, vulcanization, fireproofing papers and polymers and catalysts. Bismuth trioxide brings about the "dragon's eggs" effect in fireworks, as a replacement of red lead. Bismuth(III) compounds are attractive reagents and catalysts in organic synthesis because of their low cost and ease of handling. Bismuth trioxide nanoparticles also play an important role in high energy gas generators. The alpha crystalline form of bismuth(III) oxide has p-type electronic conductivity.

Preparation

Bismuth trioxide is commercially made from bismuth subnitrate. The latter is produced by dissolving bismuth in hot nitric acid. Addition of excess sodium hydroxide followed by continuous heating of the mixture precipitates bismuth trioxide as a heavy yellow powder. Also, the trioxide can be prepared by ignition of bismuth hydroxide.

General Description

Bismuth (III) oxide is a yellow, monoclinic crystalline powder. It is insoluble in water and hydroxide solutions but dissolves in acids to form bismuth (III) salts. It can be prepared by heating bismuth in air or by heating hydroxides, carbonates or nitrates of bismuth.

Structure and conformation

Bismuth(III) Oxides are the deeply studied class of bismuth compounds, and they present four different phases. At room temperature, monoclinic α-Bi2O3 is the common stable phase with a polymeric-distorted layered structure composed of pentacoordinate bismuth atoms enclosed into pseudo-octahedral units. At a temperature higher than 710 °C, the α phase is converted into the cubic δ phase, which has a defective structure with random oxygen vacancies. The β phase and several oxygen-rich forms are closely related to the δ phase. In particular, the vacancy structures of highly defected bismuth oxides are some sites filled with O?2 and Bi(III) and Bi (V) sites. Bismuth oxide γ-phase also shows a cubic structure, but it is highly unstable and hard to synthesize without supporting it onto other oxides or metallic species. The other two polymorphic metastable bismuth oxide phases are known as the ω phase, stable at temperatures higher than 800 °C and the ε phase, isolated in 2006 by Cornei and co-workers[1].

References

[1] Mattia Bartoli, Alberto Tagliaferro, Pravin Jagdale. “A Short Review on Biomedical Applications of Nanostructured Bismuth Oxide and Related Nanomaterials.” Materials 13 22 (2020).

Bismuth(III) Oxide Preparation Products And Raw materials

Raw materials

Bismuth nitrate

Preparation Products

Bismuth nitrate pentahydrate
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View Lastest Price from Bismuth(III) Oxide manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Bismuth trioxide 1304-76-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2024-06-18
Shandong Deshang Chemical Co., Ltd.
Product
Bismuth trioxide 1304-76-3
Price
US $10.00-7.00/kg
Min. Order
1kg
Purity
99.99%
Supply Ability
10 tons
Release date
2024-06-17
Hebei Weibang Biotechnology Co., Ltd
Product
Bismuth trioxide 1304-76-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-11-01

1304-76-3, Bismuth(III) OxideRelated Search:

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