2-Mercaptoimidazole

• CAS: 872-35-5
• Catalog Number: ACM872355
• Category: Other Products
• Molecular Weight: 100.14
• Molecular Formula: C₃H₄N₂S
• Synonyms: 2-MERCAPTOIMIDAZOLE
• IUPAC Name: 1,3-dihydroimidazole-2-thione
• SMILES: C1=CNC(=S)N1
• InChI Key: OXFSTTJBVAAALW-UHFFFAOYSA-N
• Boiling Point: 152.4ºC at 760 mmHg
• Melting Point: 228-231ºC(lit.)
• Flash Point: 46ºC
• Density: 1.36g/cm³
• EC Number: 212-823-4
• Exact Mass: 100.01000
• Hazard Statements: Xi: Irritant
• H-Bond Acceptor: 0
• H-Bond Donor: 2
• Safety Description: S26-S36
• WGK Germany: 3

Synthetic Use

Upstream Synthesis Route 1

• 22483-09-6

• 872-35-5

Reference: [1] Patent: US4391808, 1983, A,

Upstream Synthesis Route 2

• 1147550-11-5
• 141-46-8

• 872-35-5

Reference: [1] Journal of the American Chemical Society, 2017, vol. 139, # 26, p. 8780 - 8783

Downstream Synthesis Route 1

• 67-56-1
• 872-35-5

• 14486-52-3

Reference: [1] Heterocycles, 2010, vol. 81, # 2, p. 413 - 420

Downstream Synthesis Route 2

• 872-35-5
• 3400-55-3

• 45667-45-6

Reference: [1]Chemistry of Heterocyclic Compounds,1970,vol. 6,p. 470 - 473
Khimiya Geterotsiklicheskikh Soedinenii,1970,vol. 6,p. 508 - 511

Downstream Synthesis Route 3

• 29055-08-1
• 872-35-5

• 128936-02-7

Reference: [1]Chemical and Pharmaceutical Bulletin,1991,vol. 39,p. 1746 - 1752

Downstream Synthesis Route 4

• 5349-17-7
• 872-35-5

• 86626-14-4

Reference: [1]Journal of Heterocyclic Chemistry,1983,vol. 20,p. 419 - 421

* For details of the synthesis route, please refer to the original source to ensure accuracy.