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393665

Sigma-Aldrich

1,1-Dibromo-2,2-bis(chloromethyl)cyclopropane

90%, technical grade

Synonym(s):

1,1-Dibromo-2,2-bis(chloromethyl)cyclopropane

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About This Item

Linear Formula:
Br2C3H2(CH2Cl)2
CAS Number:
98577-44-7
Molecular Weight:
296.82
MDL number:
MFCD00101445
UNSPSC Code:
12352100
PubChem Substance ID:
24864531
NACRES:
NA.22

grade

technical grade

Quality Level

100

Assay

90%

form

solid

mp

48-50 °C (lit.)

SMILES string

ClCC1(CCl)CC1(Br)Br

InChI

1S/C5H6Br2Cl2/c6-5(7)1-4(5,2-8)3-9/h1-3H2

InChI key

RCRVZCIUKQNOIS-UHFFFAOYSA-N

Related Categories

General description

1,1-Dibromo-2,2-bis(chloromethyl)cyclopropane is a halogenated cyclopropane derivative. It has been reported to be synthesized from 3-chloro-2-(chloromethyl)-1-propene. It is formed as an intermediate during the synthesis of [1.1.1]propellane by Szeimies method.

Application

1,1-Dibromo-2,2-bis(chloromethyl)cyclopropane may be used as a starting material in the synthesis of [1.1.1]-propellane and ((3-ethynylbicyclo[1.1.1]pentan-1-yl)ethynyl)trimethylsilane.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Cyprien Lemouchi et al.
Journal of the American Chemical Society, 135(25), 9366-9376 (2013-06-04)
The rod-like molecule bis((4-(4-pyridyl)ethynyl)bicyclo[2.2.2]oct-1-yl)buta-1,3-diyne, 1, contains two 1,4-bis(ethynyl)bicyclo[2.2.2]octane (BCO) chiral rotators linked by a diyne fragment and self-assembles in a one-dimensional, monoclinic C2/c centrosymmetric structure where two equilibrium positions with large occupancy imbalance (88% versus 12%) are identified on a
[1.1. 1] Propellane: Reaction with Singlet Dihalocarbene.
Lee WB, et al.
Bull. Korean Chem. Soc., 19(3), 367-369 (1998)
Improved Preparations of 3-Chloro-2-(chloromethyl)-1-propene and 1, 1-Dibromo-2, 2-bis (chloromethyl) cyclopropane: Intermediates in the Synthesis of [1.1. 1] Propellane.
Lynch KM and Dailey WP
The Journal of Organic Chemistry, 60(14), 4666-4668 (1995)
Concerning the synthesis of [1.1. 1] propellane.
Belzner J, et al.
Chemische Berichte, 122(2), 397-398 (1989)

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