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1072-71-5 - 2,5-Dimercapto-1,3,4-thiadiazole, 97% (dry wt.), water <3% - Bismuthiol I - 1,3,4-Thiadiazole-2,5-dithiol - A12615 - Alfa Aesar

A12615 2,5-Dimercapto-1,3,4-thiadiazole, 97% (dry wt.), water <3%

Numéro CAS
Bismuthiol I

Dimensions Prix ($) Quantité Disponibilité
50g 36,30
250g 162,00
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2,5-Dimercapto-1,3,4-thiadiazole, 97% (dry wt.), water <3%


Propriétés chimiques

Poids formulaire
Point de fusion
ca 162° dec.
Soluble in water.


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.


Incompatible with strong oxidizing agents and strong acids.

Références bibliographiques

Reagent for bismuth.


Pan, Y- C.; Wen, Y.; Xue, L-Y.; Guo, X-Y.; Yang, H-F. Adsorption Behavior of Methimazole Monolayers on a Copper Surface and Its Corrosion Inhibition. J. Phys. Chem. C 2012,116 (5), 3532-3538.

Chen, W.; Luo, H. Q.; Li, B. N. Inhibition effects of 2,5-dimercapto-1,3,4-thiadiazole on the corrosion of mild steel in sulphuric acid solution. Corros. Sci. 2011,53 (10), 3356-3365.

Pan, Y-C.; Wen, Y.; Guo, X-Y.; Song, P.; Shen, S.; Du, Y-P.; Yang, H-F. 2-Amino-5-(4-pyridinyl)-1,3,4-thiadiazole monolayers on copper surface: Observation of the relationship between its corrosion inhibition and adsorption structure. Corros. Sci. 2013, 73,274-280.

Rodríguez-Calero, G. G.; Conte, S.; Lowe, M. A.; Gao, J.; Kiya, Y.; Henderson, J. C.; Abruña, H. D. Synthesis and Characterization of Poly-3,4-ethylenedioxythiophene/2,5-Dimercapto-1,3,4-thiadiazole (PEDOT-DMcT) Hybrids. Electrochim. Acta. 2015, 167, 55-60.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Mentions de prudence: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Code tarifaire harmonisé


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