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)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 H350 May cause cancer Carcinogenicity Category 1A, 1B Danger H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P201 Obtain special instructions before use. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention.