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Tetrachlorophthalic anhydride Structure

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.
solubility  Chloroform (Slightly, Heated), DMSO (Heated), Methanol (Slightly, Heated)
pka 3.01[at 20 ℃]
form  Flakes
color  White to off-white
Water Solubility  0.8 mg/L (21 ºC)
Sensitive  Moisture Sensitive
BRN  211560
Exposure limits ACGIH: TWA 0.002 mg/m3 (Skin)
Stability Stable. Reacts with water. Combustible. Incompatible with strong oxidizing agents. Air and moisture sensitive.
InChIKey AUHHYELHRWCWEZ-UHFFFAOYSA-N
LogP 3.2 at 25℃
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)

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

Usage And Synthesis

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