Introduction：Basic information about Bismuththiol CAS 1072-71-5, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Bismuththiol Basic information
| Product Name: | Bismuththiol |
| Synonyms: | AKOS BBS-00004341;2,5-DIMERCAPTO-1,3,4-THIADIAZOLE;2,5-DIMERCAPTO-1,3,4-THIADIOZOLE;2,5-DIMERCAPTOTHIADIAZOLE;1,3,4-thiadiazol-dithiol-(2,5);1,3,4-Thiadiazolidine-2,5-dithione;usafa-8354;TIMTEC-BB SBB007563 |
| CAS: | 1072-71-5 |
| MF: | C2H2N2S3 |
| MW: | 150.25 |
| EINECS: | 214-014-1 |
| Product Categories: | API intermediates;Analytical Chemistry;Bipyridyls, etc. (Chelating Reagents);Chelating Reagents;chemical;lubricant additive;pharmaceutical intermediate;pharmercautical intermediate;bc0001 |
| Mol File: | 1072-71-5.mol |
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Bismuththiol Chemical Properties
| Melting point | 162 °C (dec.)(lit.) |
| Boiling point | 211.3±23.0 °C(Predicted) |
| density | 1.575 (estimate) |
| vapor pressure | 0.013Pa at 20℃ |
| refractive index | 1.5300 (estimate) |
| storage temp. | Store below +30°C. |
| pka | 5.66±0.20(Predicted) |
| form | Powder |
| color | Off-white to yellow |
| Water Solubility | 20 g/L (20 ºC) |
| λmax | 320nm(CH3CN)(lit.) |
| BRN | 113444 |
| InChI | 1S/C2H2N2S3/c5-1-3-4-2(6)7-1/h(H,3,5)(H,4,6) |
| InChIKey | BIGYLAKFCGVRAN-UHFFFAOYSA-N |
| SMILES | Sc1nnc(S)s1 |
| LogP | 0 at 50℃ |
| CAS DataBase Reference | 1072-71-5(CAS DataBase Reference) |
| EPA Substance Registry System | 1,3,4-Thiadiazolidine-2,5-dithione (1072-71-5) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36-36/37/38 |
| Safety Statements | 26-36-37/39 |
| RIDADR | UN 3335 |
| WGK Germany | 2 |
| RTECS | XI3850000 |
| F | 9-13 |
| TSCA | TSCA listed |
| HazardClass | IRRITANT |
| HS Code | 29349990 |
| Storage Class | 13 - Non Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral
Aquatic Chronic 2
Eye Dam. 1 |
Bismuththiol Usage And Synthesis
| Description | Dimercapto-1,3,4-thiadiazole (DMTD) is a low-molecular-weight aromatic compound used in the productionof cop per corrosion inhibitors for engine oils,flame retardants and photographic development chemicals.Seven cases of industrial allergic sensitizationwere reported in a manufacturing plant. |
| Chemical Properties | white to light yellow crystal powde |
| Uses | Pharmaceutical intermediates; metallic passivator;antioxidant |
| Uses | 2,5-Dimercapto-1,3,4-thiadiazole is used in synthesizing polymers and heavy metal and basic salts. It acts as an additive in lubricating oils, greases and in electrode compositions. It also acts as an intermediate for pharmaceuticals and dyes, as a chelating agent in the analysis of metals. It also serves as an anticorrosion and antirust agent. |
| Flammability and Explosibility | Not classified |
| Contact allergens | This low-molecular-weight aromatic compound is used in the production of copper corrosion inhibitors for engine oils, fame retardants, and photographic devel-opment chemicals. Seven cases of industrial allergic sensitization were reported in a manufacturing plant. |
Bismuththiol Preparation Products And Raw materials
| Raw materials | Carbon disulfide-->HYDRAZINE |
| Preparation Products | 1,3,4-Thiadiazolidine-2,5-dione-->5,5'-dithiodi-1,3,4-thiadiazole-2(3H)-thione-->methyl 2-[(2-sulfanylidene-3H-1,3,4-thiadiazol-5-yl)sulfanyl]acetate-->MFCD00361561 |
