4,4'-(DITHIODIMETHYLENE)DIPYRIDINE

Base Information

• Chemical Name: 4,4'-(DITHIODIMETHYLENE)DIPYRIDINE
• CAS No.: 1020-71-9
• Molecular Formula: C12H12N2S2
• Molecular Weight: 248.37
• Hs Code.: 2933399090
• Mol file: 1020-71-9.mol

Synonyms:Pyridine,4,4'-(dithiodimethylene)di- (7CI,8CI);4,4'-(Dithiodimethylene)dipyridine;Bis(4-pyridylmethyl) disulfide;NSC 92988;

Chemical Property of 4,4'-(DITHIODIMETHYLENE)DIPYRIDINE

Chemical Property:

• Melting Point: 157-158 °C
• Boiling Point: 422.4 °C at 760 mmHg
• PKA: 5.46±0.10(Predicted)
• Flash Point: 209.3 °C
• PSA: 76.38000
• Density: 1.258 g/cm³
• LogP: 3.55820

Purity/Quality:

98%,99%, ^*data from raw suppliers

4,4'-(DITHIODIMETHYLENE)DIPYRIDINE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,4'-(DITHIODIMETHYLENE)DIPYRIDINE

There total 4 articles about 4,4'-(DITHIODIMETHYLENE)DIPYRIDINE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

4-picolylchloride hydrochloride (1822-51-1) → 1,2-bis(4-pyridylmethyl)disulfenyl (1020-71-9)

Guidance literature:

Multi-step reaction with 2 steps

1: methanol / 1 h / Heating

2: 1.) 35percent NH₃, 2.) iodine / 1.) H₂O, reflux 0.5 h, 2.) chloroform

With ammonium hydroxide; iodine; In methanol;

DOI:10.1016/0223-5234(88)90001-3

Reference yield:

4-pyridiniummethylisothiouronium chloride hydrochloride (1822-52-2,136389-68-9) → 1,2-bis(4-pyridylmethyl)disulfenyl (1020-71-9)

Guidance literature:

With ammonium hydroxide; iodine; Multistep reaction; 1.) H₂O, reflux 0.5 h, 2.) chloroform;

DOI:10.1016/0223-5234(88)90001-3

Reference yield:

→ 1,2-bis(4-pyridylmethyl)disulfenyl (1020-71-9)

Guidance literature:

With hydrogen sulfide;

upstream raw materials:

4-pyridiniummethylisothiouronium chloride hydrochloride

4-picolylchloride hydrochloride

Refernces

• 1、 NISHIMURA,TAKAMATSU. "SYNTHESES OF AMINOTHIOL DERIVATIVES.". . p. 944 - 955. Retrieved 2007/10/04.