Home > All categories> Commodity Chemicals> Inorganic Chemicals> Halides> 1,4-Dichloro-2-butyne

1,4-Dichloro-2-butyne

Get Latest Price >

FOB Price contact us for price

Origin: China

Cas No: 821-10-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

Vendor:

Payment Terms:

Inquiry now

* Send an Inquiry to us

Add to wishlist

* Name your price
* Start order doesn't mean buying now

Products Specification
Product Description

Property

CAS No.: 821-10-3 Formula: C4H4Cl2 Molecular Weight: 122.98100

Description

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.

Basic Info

Chemical Name	1,4-Dichloro-2-butyne
Synonyms	2-Butyne, 1,4-dichloro-; 1,4-dichlorobut-2-yne;
CAS No.	821-10-3
Molecular Formula	C4H4Cl2
Molecular Weight	122.98100
PSA	0.00000
LogP	1.46740

Properties

Appearance & Physical State	Clear brown liquid.
Density	1.258
Boiling Point	165-168ºC
Melting Point	-34.5ºC
Flash Point	160ºC
Refractive Index	1.503-1.506
Stability	Stable under normal temperatures and pressures.
Storage Condition	2-8ºC

Safety Info

RTECS	ER9600000
Hazard Class	6.1
Safety Statements	S26-S28-S36/37/39-S38-S45
HS Code	29032900
WGK Germany	3
Packing Group	II
RIDADR	UN 2810
Risk Statements	R23/24/25; R36/37/38; R40
Hazard Codes	T

Synthesis Route

but-2-yne-1,4-diol→4-chlorobut-2-yn-1-ol+1,4-Dichloro-2-butyne
but-2-yne-1,4-bisoxycarbonylchloride→1,4-Dichloro-2-butyne
but-2-yne-1,4-diol→1,4-Dichloro-2-butyne

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Intravenous	LD50 - Lethal dose, 50 percent kill	Rodent - mouse	56 mg/kg	1.Details of toxic effects not reported other than lethal dose value

Precursor

but-2-yne-1,4-diol
thionyl dichloride
pyridine
hydrogen chloride

Downstream Product

5-METHYL-1H-PYRROLE-2-CARBOXYLIC ACID
N,N,N',N'-TETRAETHYL-2-BUTYNE-1,4-DIAMINE
N,N,N',N'-tetramethylbut-2-yne-1,4-diamine
Ethyl 5-methyl-1H-pyrrole-2-carboxylate

Hot tags: 1,4-dichloro-2-butyne, China, manufacturers, suppliers, factory, wholesale, low price, high quality