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| CAS No.: | 1304-76-3 |
|---|---|
| Name: | Bismuth trioxide |
| Article Data: | 377 |
| Cas Database | |
| Molecular Structure: | |
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|
|
| Formula: | Bi2O3 |
| Molecular Weight: | 465.959 |
| Synonyms: | Bismuthoxide;Bismuth sesquioxide;Bismuth yellow;Bismuth(3+) oxide;Bismuth(III)oxide;Bismuthous oxide;C.I. 77160;Dibismuth trioxide;Nanoarc;Nanotek;Bismuth oxide (Bi2O3); |
| EINECS: | 215-134-7 |
| Density: | 8.9 g/cm3 |
| Melting Point: | 817 °C |
| Boiling Point: | 1890 °C |
| Flash Point: | 1890°C |
| Solubility: | insoluble in water |
| Appearance: | yellow crystalline |
| Hazard Symbols: |
 Xi, Xn
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36/37-36 |
| Transport Information: | N/A |
| PSA: | 0.00000 |
| LogP: | -0.35640 |
bismuth(III) oxide
| Conditions | Yield |
|---|---|
| With ammonium hydroxide In ammonia hydrolysis on boiling in 0.5n NH4OH solution;; | 100% |
bismuth(III) oxide
| Conditions | Yield |
|---|---|
| With ammonium hydroxide In ammonia hydrolysis on boiling in 0.5n NH4OH solution;; | 100% |
bismuth(III) oxide
| Conditions | Yield |
|---|---|
| With ammonium hydroxide In ammonia hydrolysis on boiling in 0.5n NH4OH solution;; | 100% |
bismuth(III) oxide
| Conditions | Yield |
|---|---|
| With ammonium hydroxide In ammonia hydrolysis on boiling in 0.5n NH4OH solution;; | 100% |
bismuth(III) oxide
| Conditions | Yield |
|---|---|
| With ammonium hydroxide In ammonia hydrolysis on boiling in 0.5n NH4OH solution;; | 100% |
bismuth(III) oxide
| Conditions | Yield |
|---|---|
| With ammonium hydroxide In further solvent(s) hydrolysis on heating in 0.5n NH4OH solution;; | 100% |
| Conditions | Yield |
|---|---|
| In water at 90℃; for 0.5h; | 95% |
bismuth(III) oxide
| Conditions | Yield |
|---|---|
| In propan-1-ol at 200℃; | |
| In neat (no solvent) byproducts: CH3COOH; formation of acetic acid and Bi2O3 on heating above 150°C;; Bi2O3 contaminated by metallic Bi;; |
| Conditions | Yield |
|---|---|
| reaction on surface between HgO and Bi2S3; 200°C, 2 h; | |
| In neat (no solvent) heating at 200°C;; | |
| reaction on surface between HgO and Bi2S3; 200°C, 2 h; | |
| In neat (no solvent) heating at 200°C;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) Kinetics; isothermal heating of Bi selenite in open Pt crucible in N2 flow (25 cm**3/min), temp. interval of 723-923 K; |
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The Bismuth oxide, with the cas registry number 1304-76-3, has the IUPAC name of oxo(oxobismuthanyloxy)bismuthane. Being a kind of yellow crystal, it is soluble in acid while insoluble in water and alkali.
Its product categories are including Inorganics; Bismuth; 83: Bi; BismuthMaterials Science; BismuthMetal and Ceramic Science; Catalysis and Inorganic Chemistry; Chemical Synthesis; Nanomaterials; Nanoparticles: Oxides, Nitrides, and Other CeramicsNanomaterials; Nanopowders and Nanoparticle Dispersions; Oxides.
The characteristics of this chemical are as below: (1)#H bond acceptors: 3; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 2; (4)Polar Surface Area: 43.37; (5)Exact Mass: 465.94551; (6)MonoIsotopic Mass: 465.94551; (7)Topological Polar Surface Area: 43.4; (8)Heavy Atom Count: 5; (9)Complexity: 34.2; (10)Covalently-Bonded Unit Count: 1.
The production method of this chemical is below: add sodium hydroxide solvent without carbon dioxide into the bismuth nitrate solution and then mix it; Next the solution will be keep its basicity in its sediment to product white Bi(OH)3 sediment; Then heat the solution and stir for a little while to produce yellow bismuth trioxide; Lastly, go through the process of washing, filtering, drying to produce this chemical.
As to its usage, it is widely applied in many ways. It could be used in producing bismuth metal, catalytic agent, Bi-system oxidizing material superconductor; It could also be used in other fields, such as xature okto, rubber compound ingredients, pharmaceutics, red glass ingredient.
When you are dealing with this chemical, you should be very cautious. For one thing, it is irritating to eyes, respiratory system and skin and may cause inflammation to the skin or other mucous membranes. For another thing, it is harmful which may cause damage to health. If by inhalation, in contact with skin and if swallowed, it will be harmful. Therefore, you should wear suitable protective clothing and gloves, and if in case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: O=[Bi]O[Bi]=O
(2)InChI: InChI=1S/2Bi.3O
(3)InChIKey: WMWLMWRWZQELOS-UHFFFAOYSA-N
Below are the toxicity information of this chemical:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 10gm/kg (10000mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(6), Pg. 16, 1986. | |
| rat | LD50 | oral | 5gm/kg (5000mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(6), Pg. 16, 1986. |
