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Tetrachlorophthalic anhydride

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Tetrachlorophthalic anhydride Basic information

Product Name:
Tetrachlorophthalic anhydride
CAS:
117-08-8
MF:
C8Cl4O3
MW:
285.9
EINECS:
204-171-4
Mol File:
117-08-8.mol
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Tetrachlorophthalic anhydride Chemical Properties

Melting point:
253-257 °C(lit.)
Boiling point:
371 °C(lit.)
Density 
1.49
vapor pressure 
0.16 mm Hg ( 145 °C)
Flash point:
362°C
storage temp. 
Store below +30°C.
form 
Flakes
color 
White to off-white
Water Solubility 
0.8 mg/L (21 ºC)
Sensitive 
Moisture Sensitive
BRN 
211560
Stability:
Stable. Reacts with water. Combustible. Incompatible with strong oxidizing agents. Air and moisture sensitive.
InChIKey
AUHHYELHRWCWEZ-UHFFFAOYSA-N
CAS DataBase Reference
117-08-8(CAS DataBase Reference)
NIST Chemistry Reference
1,3-Isobenzofurandione, 4,5,6,7-tetrachloro-(117-08-8)
EPA Substance Registry System
Tetrachlorophthalic anhydride (117-08-8)
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Safety Information

Hazard Codes 
T,N,Xn
Risk Statements 
45-41-42/43-50/53-48/22
Safety Statements 
53-22-24-26-37/39-45-60-61-36/37/39
RIDADR 
UN 3077 9/PG 3
WGK Germany 
2
RTECS 
TI3450000
10-21
TSCA 
Yes
HazardClass 
9
PackingGroup 
III
HS Code 
29173990
Hazardous Substances Data
117-08-8(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: > 15800 mg/kg LD50 dermal Rabbit > 5000 mg/kg

MSDS

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Tetrachlorophthalic anhydride Usage And Synthesis

Chemical Properties

white needle-like crystals or powder

Uses

Intermediate in dyes, pharmaceuticals, plasticizers, and other organic materials; flame-retardant in epoxy resins.

Definition

ChEBI: A cyclic dicarboxylic anhydride that is phthalic anhydride chlorinated at the 4-, 5-, 6- and 7-positions.

General Description

Odorless needle-like crystals or white powder.

Air & Water Reactions

Sensitive to air and moisture.

Reactivity Profile

4,5,6,7-Tetrachloro-1,3-isobenzofurandione reacts exothermically with water. This reaction is expected to be slow, but can become vigorous if local heating accelerates it. Reaction with water is accelerated by acids. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases.

Fire Hazard

Flash point data for 4,5,6,7-Tetrachloro-1,3-isobenzofurandione are not available. 4,5,6,7-Tetrachloro-1,3-isobenzofurandione is probably combustible.

Purification Methods

Crystallise the anhydride from chloroform or *benzene, then sublime it in a vacuum. [Beilstein 17/11 V 260.]

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Tetrachlorophthalic anhydrideSupplierMore

Zhejiang Qiming Pharmaceutical Co., Ltd. Gold
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