1,4-Dichloro-2-butyne

1,4-Dichloro-2-butyne Basic information
Product Name:1,4-Dichloro-2-butyne
Synonyms:1,4-DICHLORO-2-BUTYNE;1,4-dichloro-2-butyn;1,4-dichloro-but-2-yne;Dichlorobutyne;2-Butyne, 1,4-dichloro-;bis(chloromethyl)acetylene;1,4-Dichloro-2-butyne, 99% 25ML;1,4-Dichloro-2-butyne,99%
CAS:821-10-3
MF:C4H4Cl2
MW:122.98
EINECS:212-474-8
Product Categories:Building Blocks;Chemical Synthesis;Halogenated Hydrocarbons;Organic Building Blocks;Acetylenes;Functionalized Acetylenes;Alkynyl;Halogenated Hydrocarbons;Organic Building Blocks
Mol File:821-10-3.mol
1,4-Dichloro-2-butyne Structure
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.)
Fp 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
InChIKeyRCHDLEVSZBOHOS-UHFFFAOYSA-N
CAS DataBase Reference821-10-3(CAS DataBase Reference)
NIST Chemistry Reference2-Butyne, 1,4-dichloro-(821-10-3)
EPA Substance Registry System1,4-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
8-10
HazardClass 6.1
PackingGroup II
HS Code 29032900
MSDS Information
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1,4-Dichloro-2-butyne Usage And Synthesis
Chemical PropertiesCLEAR COLORLESS TO YELLOWISH LIQUID
Uses1,4-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 ProfilePoison 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 Preparation Products And Raw materials
Raw materials2-Butyne-1,4-diol-->Pyridine-->Benzene-->Thionyl chloride
Preparation Products4-CHLORO-2-BUTYN-1-OL-->5-methyl-1H-pyrrole-2-carbonitrile(SALTDATA: FREE)-->2-Chloro-1-buten-3-yne-->1-METHOXY-1-BUTEN-3-YNE
1,4-Dichloro-2-butyne TRANS-1,4-DICHLORO-2-BUTENE Propyne Quinclorac 2,4-Dichlorophenol 2',4'-Dichloroacetophenone 2-Butyne-1,4-diol 1,2-Dichloroethane 3-Chloropropyne 1,2-Dichloro-4-(chloromethyl)benzene Acetylene 2-Butyne 3-Methyl butynol N,N-Dimethylacetamide Dichloroethane Sodium dichloroisocyanurate Thionyl chloride

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