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553603

Sigma-Aldrich

2,3-Dibromomaleimide

97%

Synonym(s):

3,4-Dibromopyrrole-2,5-dione

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About This Item

Empirical Formula (Hill Notation):
C4HBr2NO2
CAS Number:
Molecular Weight:
254.86
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

form

solid

mp

228-231 °C (lit.)

SMILES string

BrC1=C(Br)C(=O)NC1=O

InChI

1S/C4HBr2NO2/c5-1-2(6)4(9)7-3(1)8/h(H,7,8,9)

InChI key

BIKSKRPHKQWJCW-UHFFFAOYSA-N

General description

2,3-Dibromomaleimide a cyclic imide, has a dipole moment of 0.30 debye based on ab initio and density functional theory (DFT) calculations.

Application

2,3-Dibromomaleimide may be used in the synthesis of the following:
  • 2-bromo-3-(1H-indol-3-yl)maleimide via reaction with indolyl magnesium bromide in tetrahydrofuran
  • 2-dibromo-3-propylsulfanyl-maleimide via reaction with propanethiol and sodium acetate in methanol

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Skin Corr. 1B - Skin Sens. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

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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