Skip to Content
Merck
All Photos(3)

Key Documents

131865

Sigma-Aldrich

Tetrachlorophthalic anhydride

96%

Synonym(s):

1,3-Dioxy-4,5,6,7-tetrachloroisobenzofuran, 3,4,5,6-Tetrachlorophthalic anhydride, 4,5,6,7-Tetrachloro-1,3-isobenzofurandione, 4,5,6,7-Tetrachloroisobenzofuran-1,3-dione, Niagathal

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C8Cl4O3
CAS Number:
Molecular Weight:
285.90
Beilstein:
211560
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

vapor pressure

0.16 mmHg ( 145 °C)

Quality Level

Assay

96%

form

solid

bp

371 °C (lit.)

mp

253-257 °C (lit.)

SMILES string

Clc1c(Cl)c(Cl)c2C(=O)OC(=O)c2c1Cl

InChI

1S/C8Cl4O3/c9-3-1-2(8(14)15-7(1)13)4(10)6(12)5(3)11

InChI key

AUHHYELHRWCWEZ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Signal Word

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1 - STOT RE 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

680.0 °F - closed cup

Flash Point(C)

360 °C - closed cup


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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

L Gerhardsson et al.
The Journal of laboratory and clinical medicine, 121(6), 792-796 (1993-06-01)
The specificity of immunoglobulin G (IgG) against trimellityl-human serum albumin (TM-HSA) in serum samples from 11 workers exposed to trimellitic anhydride (TMA) was characterized in this study. Levels of IgG against TM-HSA and HSA-conjugates of other acid anhydrides, phthalic anhydride
L C Grammer et al.
Journal of occupational medicine. : official publication of the Industrial Medical Association, 29(10), 806-811 (1987-10-01)
Using a questionnaire and serum antibody studies, we evaluated 13 workers exposed to phthalic anhydride (PA) and tetrachlorophthalic anhydride (TCPA). The questionnaire was designed to identify symptoms compatible with anhydride-induced immunologic or irritant syndromes. Specific IgG and IgE for both
Acid anhydrides.
A J Taylor
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 21 Suppl 1, 234-240 (1991-01-01)
Allergic reactions to industrial chemicals.
K G McGrath et al.
Clinical immunology reviews, 2(1), 1-58 (1983-01-01)
W P Ridley et al.
Journal of toxicology and environmental health, 24(2), 217-227 (1988-01-01)
The capacity for induction of microsomal metabolic enzymes by tetrachlorophthalic anhydride (TCPA) was evaluated in male Sprague-Dawley rats and male CD-1 mice. The rats were orally dosed for 7 d with TCPA suspended in corn oil at 25, 100, 250

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service