1,4-Dichloro-2-butyne

CAS No.：821-10-3

Other grades of this product :

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;1,4-Dichlorobutyne;Dichlorobutyne;2-Butyne, 1,4-dichloro-;bis(chloromethyl)acetylene;1,4-Dichloro-2-butyne, 99% 25ML
CAS:	821-10-3
MF:	C4H4Cl2
MW:	122.98
EINECS:	212-474-8
Product Categories:	Building Blocks;Chemical Synthesis;Acetylenes;Functionalized Acetylenes;Halogenated Hydrocarbons;Organic Building Blocks;Alkynyl;Halogenated Hydrocarbons;Organic Building Blocks
Mol File:	821-10-3.mol

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
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 Information

Provider	Language
1,4-Dichloro-2-butyne	English
SigmaAldrich	English
ACROS	English
ALFA	English

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 Preparation Products And Raw materials

Raw materials	2-Butyne-1,4-diol-->Pyridine-->Benzene-->Thionyl chloride
Preparation Products	4-CHLORO-2-BUTYN-1-OL-->5-methyl-1H-pyrrole-2-carbonitrile(SALTDATA: FREE)

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