(±)-2,3-Dichlorobutane

Base Information

• Chemical Name: (±)-2,3-Dichlorobutane
• CAS No.: 2211-67-8
• Molecular Formula: C4H8 Cl2
• Molecular Weight: 127.014
• Hs Code.: 2903199000
• Mol file: 2211-67-8.mol

Synonyms:Butane,2,3-dichloro-, (R*,R*)-(?à)-; Butane, 2,3-dichloro-, (?à)- (8CI); (R*,R*)-(?à)-2,3-Dichlorobutane; (?à)-2,3-Dichlorobutane; Butane, 2,3-dichloro-, (R*,R*)-;DL-2,3-Dichlorobutane; dl-2,3-Dichlorobutane; threo-2,3-Dichlorobutane

Chemical Property of (±)-2,3-Dichlorobutane

Chemical Property:

• Vapor Pressure: 27.9mmHg at 25°C
• Melting Point: -80°C
• Refractive Index: 1.4409
• Boiling Point: 110.5°Cat760mmHg
• Flash Point: 18.3°C
• PSA: 0.00000
• Density: 1.075g/cm³
• LogP: 2.24100

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (±)-2,3-Dichlorobutane

There total 5 articles about (±)-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:

(Z)-2-Butene (590-18-1) + chlorine (7782-50-5) → racemic 2,3-dichlorobutane (2211-67-8) + 1,1,1-trichloro-butane (13279-85-1)

Guidance literature:

at -20 ℃; in diffusem kuenstlichem Licht;

Reference yield:

Phenylselenyl chloride (5707-04-0) + 2-RS,3-SR-3-chlorobutyl-2-phenyl selenide (69924-54-5,69924-55-6,104927-27-7,104927-28-8) → racemic 2,3-dichlorobutane (2211-67-8) + diphenyl diselenide (1666-13-3)

Guidance literature:

In dichloromethane; at 25 ℃; for 30h; 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-SR-3-chlorobutyl-2-phenyl selenide

4-methylphenylselenium chloride

(Z)-2-Butene

Downstream raw materials:

threo-3-chlorobutan-2-ol

erythro-3-chlorobutan-2-ol

butanone

DL-2,3-dibromobutane

Refernces

• 1、 Schmid, George H.,Gordon, James W.. "Involvement of Neighboring Chlorine in the Exchange Reactions of Iodine Monochloride and Vicinal Organic Iodochlorides". . p. 4010 - 4013. Retrieved 2007/10/02.