Product Description
Bismuth sulfide appears as a brown-yellow powder or crystalline solid, with a specific gravity of 7.39. It decomposes at approximately 685°C. The compound is insoluble in water and ethyl acetate, but it can dissolve in nitric acid and hydrochloric acid.
Properties
| Melting point | 685°C (dec.) |
| density | 7.7 g/mL at 25 °C(lit.) |
| solubility | insoluble in H2O; soluble in acid solutions |
| form | Lump |
| Specific Gravity | 7.7 |
| color | Gray |
| Water Solubility | Insoluble in water. Soluble in acids. |
| Merck | 131288 |
| Solubility Product Constant (Ksp) | pKsp: 97 |
| CAS DataBase Reference | 1345-07-9(CAS DataBase Reference) |
| EPA Substance Registry System | Bismuth sulfide (Bi2S3) (1345-07-9) |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| WGK Germany | 2 |
| RTECS | EB3105000 |
| TSCA | Yes |
| Toxicity | mouse,LD50,oral,10gm/kg (10000mg/kg),Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(6), Pg. 16, 1986. |
Product Application
Bismuth sulfide is an important semiconductor material with potential applications in thermoelectric, electronic, optoelectronic devices, and infrared spectroscopy. With a room-temperature band gap of 1.33 eV, it can be used in the fabrication of photoelectric converters and is widely applied in thermoelectric cooling systems.
At the nanoscale, bismuth sulfide exhibits a blue shift in UV-visible absorption and fluorescence emission wavelengths. It also shows nonlinear optical responses and enhanced redox activity of nanoparticles. In addition, it demonstrates excellent photoelectrocatalytic performance, offering broad application prospects in luminescent materials, nonlinear optical materials, and photocatalytic systems.
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Company Profile
Shandong Rongsheng Chemical Co., Ltd. is located in a thriving chemical industrial cluster in Shandong Province. As an integrated chemical operator covering production, technical development, domestic marketing and international export businesses, we focus on the supply of basic chemical feedstocks and multi‑purpose fine‑chemical additives. Our product lineup serves a wide range of downstream sectors, such as rubber‑plastic processing, coating and ink fabrication, water‑treatment projects and various other industrial manufacturing scenarios.
We manage our own standardized manufacturing plant to carry out rigorous full‑cycle quality control and provide genuine factory‑direct sourcing. Without multi‑layer middlemen, we present flexible purchasing options for worldwide buyers, including large‑scale bulk orders, custom formula tuning, individualized packaging and small‑lot sample supplies. Our variable production capacity helps us meet diversified demands and ensure punctual, stable deliveries.
Our skilled foreign‑trade team has accumulated substantial on‑the‑ground experience in global chemical trade. Well‑versed in import specifications and cross‑border logistics rules for different territories, we provide overseas customers with full‑cycle export support. Our service scope involves inquiry handling, sample dispatch, custom solution framing, customs clearance, cargo scheduling and continuous after‑sales care.
We follow our core business belief: quality‑first management and win‑win cooperation built upon credibility. With steady product performance, flexible service modes and efficient, regulation‑abiding shipping capability, we deliver economical and trustworthy all‑in‑one chemical supply‑chain solutions for global purchasers. We hope to develop stable long‑term alliances and act as your reliable partner within the international fine‑chemical marketplace.
