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8.00741

Sigma-Aldrich

Tetrachlorophthalic anhydride

for synthesis

Synonym(s):

Tetrachlorophthalic anhydride, Tetrachloro-1,2-benzenedicarboxylic anhydride

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About This Item

Empirical Formula (Hill Notation):
C8Cl4O3
CAS Number:
117-08-8
Molecular Weight:
285.90
MDL number:
MFCD00005920
UNSPSC Code:
12352115
EC Index Number:
204-171-4
NACRES:
NA.22

vapor pressure

0.0021 kPa ( 145 °C)

Quality Level

200

Assay

≥99.0% (GC)

form

powder

potency

>15800 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rabbit)

bp

350 °C/1.013 hPa

mp

253-256 °C

storage temp.

2-30°C

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

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 253 °C
Melting range (upper value): ≤ 256 °C
Hexachlorobenzene: ≤ 0.10 % (a/a)
Identity (IR): passes test

Signal Word

Danger

Hazard Statements

H317 - H318 - H334 - H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

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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