meso-2,3-Dichlorobutane

Base Information

• Chemical Name: meso-2,3-Dichlorobutane
• CAS No.: 4028-56-2
• Molecular Formula: C4H8Cl2
• Molecular Weight: 127.014
• Mol file: 4028-56-2.mol

Synonyms:meso 2,3-dichlorobutane;niedrigersiedende Form;meso-2,3-dichloro-butane;2-SR,3-RS-2,3-dichlorobutane;meso-2,3-dichlorobutane;Butane, 2,3-dichloro-, (R*,S*)-;meso-2,3-Dichlor-butan;

Chemical Property of meso-2,3-Dichlorobutane

Chemical Property:

• Melting Point: -80.4°C
• Refractive Index: 1.4389
• Boiling Point: 110.5°Cat760mmHg
• Flash Point: 18.3°C
• PSA: 0.00000
• Density: 1.075g/cm³
• LogP: 2.24100

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of meso-2,3-Dichlorobutane

There total 5 articles about meso-2,3-Dichlorobutane 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:

s-butyl chloride (78-86-4,53178-20-4) + chlorine (7782-50-5) → meso-2,3-dichlorobutane (4028-56-2) + 2,2-dichlorobutane (4279-22-5) + 1,3-dichlorobutane (1190-22-3) + 1,2-dichlorobutane (616-21-7,130232-87-0,130232-88-1)

Guidance literature:

at 25 ℃; unter anfaenglicher Belichtung; Produkt 5: racem-2.3-Dichlor-butan;

Reference yield:

Phenylselenyl chloride (5707-04-0) + 2-RS,3-RS-3-chlorobutyl-2-phenyl selenide (69924-54-5,69924-55-6,104927-27-7,104927-28-8) → meso-2,3-dichlorobutane (4028-56-2) + diphenyl diselenide (1666-13-3)

Guidance literature:

In dichloromethane; at 25 ℃; for 0.5h; Title compound not separated from byproducts;

DOI:10.1016/S0040-4020(01)96718-3

Reference yield:

erythro-2-chloro-3-iodobutane (39160-00-4) → erythro-2,3-dichlorobutane (2211-67-8,4028-56-2,7581-97-7,71149-87-6,130321-71-0,130321-72-1)

Guidance literature:

With Iodine monochloride; In tetrachloromethane; at 25 ℃; for 20h; Yield given;

DOI:10.1021/jo00170a026

upstream raw materials:

Phenylselenyl chloride

2-RS,3-RS-3-chlorobutyl-2-phenyl selenide

4-methylphenylselenium chloride

s-butyl chloride

Downstream raw materials:

1,2,3-trichloro-butane

2,2,3-trichloro-butane

2,7,9-trimethyl-acridine

di-p-tolylamine

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