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Tetrachlorophthalic anhydride, 98%, Thermo Scientific Chemicals

Catalog No. AAA1740436
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Protection of amines as their tetrachlorophthalimide derivatives, by reaction with the anhydride in the presence of triethylamine, has been found to be useful in oligosaccharide chemistry. The group is stable to a wide range of reagents but can be selectively cleaved with ethylenediamine at lower temperatures than for the parent phthalimide derivatives; in particular, carboxylic esters are not cleaved under these conditions.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Protection of amines as their tetrachlorophthalimide derivatives, by reaction with the anhydride in the presence of triethylamine, has been found to be useful in oligosaccharide chemistry. The group is stable to a wide range of reagents but can be selectively cleaved with ethylenediamine at lower temperatures than for the parent phthalimide derivatives; in particular, carboxylic esters are not cleaved under these conditions.

Solubility
Hydrolyzes slowly in water.

Notes
Hygroscopic. Store away from oxidizing agents, acids.

Chemical Identifiers

CAS

117-08-8

Molecular Formula

C8Cl4O3

Molecular Weight (g/mol)

285.885

MDL Number

MFCD00005920

InChI Key

AUHHYELHRWCWEZ-UHFFFAOYSA-N

Synonym

tetrachlorophthalic anhydride, tetrathal, 4,5,6,7-tetrachloro-1,3-isobenzofurandione, niagathal, 1,3-isobenzofurandione, 4,5,6,7-tetrachloro, phthalic anhydride, tetrachloro, 4,5,6,7-tetrachloroisobenzofuran-1,3-dione, 1,3-dioxy-4,5,6,7-tetrachloroisobenzofuran, unii-76glw0lbek, ccris 6202

PubChem CID

8326

ChEBI

CHEBI:59097

IUPAC Name

4,5,6,7-tetrachloro-2-benzofuran-1,3-dione

SMILES

C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C(=O)OC2=O

Specifications

Melting Point

254°C to 258°C

Boiling Point

349°C to 354°C

Flash Point

362°C (683°F)

Odor

Weak

Quantity

500 g

UN Number

UN3077

Beilstein

211560

Sensitivity

Moisture sensitive

Solubility Information

Hydrolyzes slowly in water.

Formula Weight

285.9

Percent Purity

98%

Chemical Name or Material

Tetrachlorophthalic anhydride

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Hazard Category

H317-H318-H334-H350

Hazard Statement

GHS H Statement
H334-H318-H317
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Causes serious eye damage.
May cause an allergic skin reaction.

Precautionary Statement

P201-P202-P261-P272-P280g-P281-P285-P302+P352-P304+P341-P305+P351+P338-P308+P313-P310-P333+P313-P342+P311-P363-P501c

DOTInformation

Transport Hazard Class: 9; Packing Group: III; Proper Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCES, SOLID, N.O.S.

EINECSNumber

204-171-4

RTECSNumber

TI3450000

TSCA

Yes

Recommended Storage

Ambient temperatures
SDS

RUO – Research Use Only

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