Bismuththiol
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Category：Pharmaceutical Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
CAS Number: 1072-71-5
Molecular Formula: C2H2N2S3
Molecular Weight: 150.25 g/mol
Appearance: White to pale yellow crystalline powder
Usage: Used as a medical intermediate, organic synthesis raw material, analytical reagent, and fuel additive.
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| Property | Details |
|---|---|
| Chemical Name | Bismuththiol |
| CAS Number | 1072-71-5 |
| Synonyms | 2.5-Dimercapto-1.3.4-thiadiazole; Bismuthiol I; 2.5-Dithio-1.3.4-thiadiazole; Bismuth Reagent I |
| Molecular Formula | C2H2N2S3 |
| Molecular Weight | 138.24 g/mol |
| Chemical Structure | A heterocyclic compound with two sulfur atoms and two nitrogen atoms in a thiadiazole ring, and two thiol (mercapto) groups attached. |
| Physical State | Solid |
| Appearance | Yellow needle-like crystals. |
| Melting Point | 173°C (decomposition) |
| Solubility | Soluble in ethers and alkaline solutions. Slightly soluble in alcohols. Insoluble in water, chloroform, and benzene. |
| Stability | Unstable in alkaline solutions, tending to precipitate sulfur over time. Unstable in air and light. Should be stored in a light-protected, nitrogen-filled container. |
| Hazard Information | May be toxic. Handle with caution and refer to the Material Safety Data Sheet (MSDS) for detailed safety information. |
| Applications | Used as an analytical reagent, reacting with bismuth to produce a red color, with copper to produce a brown color, and with lead to produce a bright yellow precipitate. Used for spectrophotometric determination of bismuth, antimony, and palladium. Also used as a pharmaceutical intermediate, organic synthesis raw material, fuel additive, and for the determination of bismuth, copper, lead, palladium, and antimony. |
| Storage Conditions | Store in a cool, dry place, away from direct sunlight and incompatible materials. Keep the container tightly closed. |
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