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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

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About This Item

Empirical Formula (Hill Notation):
C8Cl4O3
CAS Number:
117-08-8
Molecular Weight:
285.90
Beilstein:
211560
MDL number:
MFCD00005920
UNSPSC Code:
12162002
PubChem Substance ID:
24848039
NACRES:
NA.23

vapor pressure

0.16 mmHg ( 145 °C)

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

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Related Categories

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)

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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
K M Venables et al.
British medical journal (Clinical research ed.), 290(6463), 201-204 (1985-01-19)
A survey was carried out of a population of workers exposed to tetrachlorophthalic anhydride, an acid anhydride epoxy resin curing agent known to cause asthma. Using a radioallergosorbent test with a tetrachlorophthalic anhydride human serum albumin conjugate, specific IgE antibody
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
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
Allergic reactions to industrial chemicals.
K G McGrath et al.
Clinical immunology reviews, 2(1), 1-58 (1983-01-01)
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