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  • 8.40136 - 2,5-Dimercapto-1,3,4-thiadiazole

8.40136 EMD Millipore


2,5-Dimercapto-1,3,4-thiadiazole for synthesis. CAS 1072-71-5, molar mass 150.25 g/mol., for synthesis

Synonym: Bismuthiol I, 1,3,4-Thiadiazolidine-2,5-dithione

  • CAS Number 1072-71-5

  • Linear Formula C₂H₂N₂S₃

  • Molecular Weight 150.25 g/mol

  •  EC Number 214-014-1



Related Categories Biochemicals and Reagents More...
packaging   25 g in Glass bottle (8401360025)
mp   157.9 °C
bulk density   500 kg/m3
LD 50 oral   LD50 Rat 1616 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (HPLC, area%): ≥ 98.0 % (a/a)
  Identity (IR): passes test

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Safety Information

HS Code 
2934 99 90
Hazard Statement(s) 
H302: Harmful if swallowed.
H318: Causes serious eye damage.
Precautionary Statement(s) 
P260: Do not breathe dust.
P280: Wear eye protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P313: Get medical advice/ attention.
Storage class 
10 - 13 Other liquids and solids
WGK 2 water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Categories of danger 
harmful, irritant
R Phrase 
R 22-41
Harmful if swallowed.Risk of serious damage to eyes.
S Phrase 
S 22-26-39
Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.
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