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  6. Tetrachlorophthalic anhydride, 98%, Thermo Scientific Chemicals

Tetrachlorophthalic anhydride, 98%, Thermo Scientific Chemicals

Catalog Number AAA1740436
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Quantity:
10,000 g
2500 g
500 g
117-08-8
C8Cl4O3
285.885
MFCD00005920
AUHHYELHRWCWEZ-UHFFFAOYSA-N
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
8326
CHEBI:59097
4,5,6,7-tetrachloro-2-benzofuran-1,3-dione
C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C(=O)OC2=O
117-08-8
C8Cl4O3
285.885
MFCD00005920
AUHHYELHRWCWEZ-UHFFFAOYSA-N
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
8326
CHEBI:59097
4,5,6,7-tetrachloro-2-benzofuran-1,3-dione
C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C(=O)OC2=O

Description

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.
TRUSTED_SUSTAINABILITY
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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Safety and Handling

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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