Tetraiodophthalic anhydride

Name: Tetraiodophthalic anhydride
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CAS No. 632-80-4
Cat. No. CS-0042515
Molecule weight651.70
Purity≥95%
MDL No.MFCD00083098

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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Structure of 632-80-4

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General Information

CAS No. 632-80-4
Cat. No. CS-0042515
Purity ≥95%
MDL No. MFCD00083098
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₈I₄O₃
Molecular Weight 651.70
Synonym(s) None
SMILES O=C1OC(C2=C1C(I)=C(I)C(I)=C2I)=O

Description

Tetraiodophthalic anhydride features four iodine atoms strategically positioned on the phthalic core, delivering high electron deficiency and enhanced reactivity. This robust anhydride integrates readily into conjugated systems, enabling efficient coupling in synthetic routes requiring strong electrophilic character. Its stability under standard conditions supports reliable handling in complex molecular architectures.

Application

Tetraiodophthalic anhydride serves as a versatile building block for iodinated aromatic systems, enabling direct incorporation of multiple iodine atoms into phthalic acid-derived scaffolds. Its anhydride functionality facilitates efficient coupling reactions with nucleophiles, while the tetraiodo substitution pattern supports subsequent cross-coupling transformations. The compound exhibits good bench stability and simplifies purification in synthetic workflows involving halogenated intermediates.

Synthesis

Route1
- 85-44-9
- ~44%
- In-stock
  
  632-80-4
References
- Mattern, Daniell Lewis Journal of Organic Chemistry, 1984 , vol. 49, # 17 p. 3051 - 3053
Route2
- 85-44-9
- 7664-93-9
- 7553-56-2
- ~%
- In-stock
  
  632-80-4
References
- DE50177 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 2, p. 94 Chemische Berichte, , vol. 29, p. 1633

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 43.37
LogP 3.4156
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Benzofuran compounds

Key Words

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Tetraiodophthalic anhydride

CAS No. 632-80-4

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