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Key Documents

107905

Sigma-Aldrich

2,5-Diiodobenzoic acid

97%

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About This Item

Linear Formula:
I2C6H3CO2H
CAS Number:
Molecular Weight:
373.91
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

mp

183-187 °C (lit.)

SMILES string

OC(=O)c1cc(I)ccc1I

InChI

1S/C7H4I2O2/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3H,(H,10,11)

InChI key

NSKPFWAAYDFCFS-UHFFFAOYSA-N

Application

2,5-Diiodobenzoic acid was used for detection and responses of divergent compounds which are strong electron absorbers by gas chromatography with electron capture detection.

Biochem/physiol Actions

2,5-Diiodobenzoic acid forms 1:1 complex with cycloheptaamylose. It undergoes palladium-catalyzed coupling reaction with terminal alkynes.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral

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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Highly regioselective palladium-catalyzed condensation of terminal acetylenes with 2, 5-diiodobenzoic acid.
Balavoine F, et al.
Tetrahedron Letters, 40(48), 8351-8354 (1999)
The crystal structure of a complex of cycloheptaamylose with 2,5-diiodobenzoic acid.
J A Hamilton et al.
Biochemical and biophysical research communications, 73(3), 659-664 (1976-12-06)
Attogram-level detection and relative sensitivity of strong electrophores by gas chromatography with electron capture detection.
Corkill JA, et al
Analytical Chemistry, 54(3), 481-485 (1982)

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