CAS 2957-95-1|cis-3,4-dichlorocyclobutene

Introduction：Basic information about CAS 2957-95-1|cis-3,4-dichlorocyclobutene, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Articles3
6. Synonyms

Common Name	cis-3,4-dichlorocyclobutene
CAS Number	2957-95-1	Molecular Weight	122.98100
Density	1.31g/cm3	Boiling Point	142ºC at 760mmHg
Molecular Formula	C₄H₄Cl₂	Melting Point	/
MSDS	ChineseUSA	Flash Point	51.9ºC
Symbol	GHS02	Signal Word	Warning

Names

Name	cis-3,4-dichlorocyclobutene
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.31g/cm3
Boiling Point	142ºC at 760mmHg
Molecular Formula	C₄H₄Cl₂
Molecular Weight	122.98100
Flash Point	51.9ºC
Exact Mass	121.96900
LogP	1.77100
Vapour Pressure	7.13mmHg at 25°C
Index of Refraction	n20/D 1.503
InChIKey	MNOAQNJDZROAPA-ZXZARUISSA-N
SMILES	ClC1C=CC1Cl
Storage condition	2-8°C

Safety Information

Symbol	GHS02
Signal Word	Warning
Hazard Statements	H226
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	F: Flammable;
Risk Phrases	10
RIDADR	UN 1993 3/PG 3
WGK Germany	3
HS Code	2903890090

Customs

HS Code	2903890090
Summary	2903890090. halogenated derivatives of cyclanic, cyclenic or cyclotherpenic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Articles3

cis-3,4-Dichlorocyclobutene as a Versatile Synthon in Organic Synthesis. Rapid Entry into Complex Polycyclic Systems with Remarkably Stereospecific Reactions We thank Drs. D. H. Huang and G. Siuzdak for their assistance with NMR spectroscopy and mass spectrometry, respectively. This work was financially supported by the National Institutes of Health (USA) and The Skaggs Institute for Chemical Biology, a postdoctoral fellowship from the Skaggs Institute for Research (to V.G.), and grants from Abbott, Amgen, ArrayBiopharma, Boehringer-Ingelheim, Glaxo, Hoffmann-La Roche, DuPont, Merck, Novartis, Pfizer, and Schering Plough.

Angew. Chem. Int. Ed. Engl. 40(23) , 4441-4445, (2001)

Optoacoustic measurements of IR multiphoton excitation of cis-3, 4-dichlorocyclobutene. Presser N, et al.

J. Chem. Phys. 78(5) , 2163-69, (1983)

syn-anti-Isomerism in the cycloaddition of nitrile oxides to cis-3, 4-dichlorocyclobutene.Bianchi G, et al.

J. Chem. Soc. Perkin Trans. I , 137-40, (1974)

Synonyms

EINECS 220-981-0

(3S,4R)-3,4-Dichloro-1-cyclobutene

(3R,4S)-3,4-Dichlorocyclobutene

3,4-cis-dichlorocyclobutene

cis-3,4-dichlorobutadiene

cis-3,4-Dichlorocyclobuten

MFCD00143990

3,4-dichloro-cyclobutene

3,4-dichloro-cis-cyclobutene

3,4-Dichlorcyclobuten

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