ETHYLENEBIS(ISOTHIOURONIUM BROMIDE)

Base Information

• Chemical Name: ETHYLENEBIS(ISOTHIOURONIUM BROMIDE)
• CAS No.: 6943-65-3
• Molecular Formula: C4H10N4S2.2BrH
• Molecular Weight: 340.106
• Hs Code.: 2930909090
• Mol file: 6943-65-3.mol

Synonyms:Carbamimidothioicacid, 1,2-ethanediyl ester, dihydrobromide (9CI);Pseudourea, 2,2'-ethylenebis[2-thio-,dihydrobromide (7CI,8CI);Ethylenediisothiourea dihydrobromide;

Chemical Property of ETHYLENEBIS(ISOTHIOURONIUM BROMIDE)

Chemical Property:

• Vapor Pressure: 0.000219mmHg at 25°C
• Melting Point: 229-234 °C(lit.)
• Refractive Index: 1.712
• Boiling Point: 326.2°C at 760 mmHg
• Flash Point: 151.1°C
• PSA: 150.34000
• Density: 1.57g/cm³
• LogP: 3.75600
• Sensitive.: Hygroscopic

Purity/Quality:

99% ^*data from raw suppliers

22-Ethylenebis(2-thiopseudourea)Dihydrobromide ^*data from reagent suppliers

Safty Information:

• Pictogram(s): R22:Harmful if swallowed.
• Hazard Codes: R22:Harmful if swallowed.
• Statements: 22
• Safety Statements: 22-36/37

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of ETHYLENEBIS(ISOTHIOURONIUM BROMIDE)

There total 3 articles about ETHYLENEBIS(ISOTHIOURONIUM BROMIDE) 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: 59.0%

ethylene dibromide (106-93-4) + thiourea (17356-08-0) → ethylenebisisothiuronium dihydrobromide (6943-65-3)

Guidance literature:

In acetone; at 20 ℃; for 144h;

Reference yield:

S-2-bromoethylisothiourea hydrobromide (80410-54-4) + thiourea (17356-08-0) → ethylenebisisothiuronium dihydrobromide (6943-65-3)

Guidance literature:

In N,N-dimethyl-formamide; at 80 ℃; Rate constant; Thermodynamic data; Kinetics; other temperatures, ΔH(excit.), ΔS(excit.);

Reference yield:

S-2-bromoethylisothiourea hydrobromide (80410-54-4) + thiourea (17356-08-0) → bromhydrate de 2-amino Δ1-thiazoline (13483-03-9) + ethylenebisisothiuronium dihydrobromide (6943-65-3)

Guidance literature:

In ethanol; at 100 ℃; Rate constant; sealed capillaries, other temperature (70, 80, 90 deg C), lgA, activation energy;

upstream raw materials:

ethylene dibromide

thiourea

S-2-bromoethylisothiourea hydrobromide

Downstream raw materials:

(ethylenedithio)diacetic acid

di(p-nitrophenyl) disulfide

bis(4-nitrophenyl)sulfide

1,2-bis(4-nitrophenylthio) ethane

Refernces

• 1、 Ryazantsev, G. B.,Shaposhnikov, A. V.,Fedoseev, V. M.. "EFFECT OF VICINAL SUBSTITUENTS ON THE REACTIVITY IN BIMOLECULAR NUCLEOPHILIC SUBSTITUTION AT A SATURATED CARBON ATOM. TWO TYPES OF SUBSTITUENTS II. KINETICS OF THE REACTION OF THIOUREA WITH β-SUBSTITUTED BROMOETHANES IN ETHANOL". . p. 1777 - 1782. Retrieved 2007/10/02.
• 2、 Ryazantsev, G. B.,Lys, Ya. I.,Fedoseev, V. M.. "EFFECT OF VICINAL SUBSTITUENTS ON REACTIVITY IN BIMOLECULAR NUCLEOPHILIC SUBSTITUTION AT A SATURATED CARBON ATOM. TWO TYPES OF SUBSTITUENT I. KINETICS OF THE REACTIONS OF THIOUREA WITH β-SUBSTITUTED BROMOETHANES IN DIMETHYLFORMAMIDE". . p. 776 - 779. Retrieved 2007/10/02.