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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)

Quality Level

200

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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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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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
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)
D K Flaherty et al.
Journal of occupational medicine. : official publication of the Industrial Medical Association, 30(10), 785-790 (1988-10-01)
In vitro radioallergosorbent tests have not been useful in identification of subjects with symptomatic allergic responses to acid anhydrides. By using phthalic anhydride or tetrachlorophthalic anhydride conjugated to human serum albumin, a study was undertaken to determine whether histamine release
R P Young et al.
American journal of respiratory and critical care medicine, 151(1), 219-221 (1995-01-01)
We have undertaken a case referent study of the association between HLA allele frequency and specific IgE antibody to acid anhydride-human serum albumin (AA-HSA) conjugates among acid anhydride workers. Thirty cases with radio-allergosorbent test score versus AA-HSA conjugates > 2
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