1,4-Dichloro-2-butyne Chemical Properties

Melting point:

162-165 °C

Boiling point:

165-168 °C (lit.)

Density 

1.258 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.505(lit.)

Flash point:

320 °F

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)

form 

Oil

color 

Clear Colourless

Sensitive 

Light Sensitive

BRN 

635740

InChIKey

RCHDLEVSZBOHOS-UHFFFAOYSA-N

CAS DataBase Reference

821-10-3(CAS DataBase Reference)

NIST Chemistry Reference

2-Butyne, 1,4-dichloro-(821-10-3)

EPA Substance Registry System

1,4-Dichloro-2-butyne (821-10-3)

Safety Information

Hazard Codes 

Xi,T

Risk Statements 

36/37/38-40-23/24/25

Safety Statements 

26-36-45-38-36/37/39-28A

RIDADR 

UN 2810

WGK Germany 

3

RTECS 

ER9600000

F 

8-10

HazardClass 

6.1

PackingGroup 

II

HS Code 

29032900

MSDS

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1,4-Dichloro-2-butyne Usage And Synthesis

Chemical Properties

CLEAR COLORLESS TO YELLOWISH LIQUID

Uses

1,4-Dichloro-2-butyne used in the synthesis of 1,4-disubstituted 1,2,3-triazoles. Also, it is used in the approach of the 20S-camptothecin family of antitumor agents.

Safety Profile

Poison by intravenous route. When heated to decomposition it emits toxic fumes of Cl-. Probably a dangerous fKe and explosion hazard. See also ACETYLENE COMPOUNDS and CHLORINATED HYDROCARBONS, ALIPHATIC

1,4-Dichloro-2-butyne(821-10-3)Related Product Information

• 2,4-Dichlorophenol
• Sodium dichloroisocyanurate
• N,N-Dimethylacetamide
• 1,2-Dichloro-4-(chloromethyl)benzene
• Thionyl chloride
• 3-Methyl butynol
• Dichloroethane
• Quinclorac
• TRANS-1,4-DICHLORO-2-BUTENE
• 2-Butyne
• 2-Butyne-1,4-diol
• 2',4'-Dichloroacetophenone
• 1,2-Dichloroethane
• Acetylene
• 3-Chloropropyne
• Propyne
• 1,4-Dichloro-2-butyne