A7693112
Tetrachlorophthalic anhydride , 98% , 117-08-8
Synonym(s):
Tetrachlorophthalic anhydride;4,5,6,7-Tetrachloroisobenzofuran-1,3-dione;3,4,5,6-Tetrachlorophthalic anhydride;4,5,6,7-Tetrachloro-1,3-isobenzofurandione;Niagathal
CAS NO.：117-08-8
Empirical Formula: C8Cl4O3
Molecular Weight: 285.9
MDL number: MFCD00005920
EINECS: 204-171-4
Update time: 2022-07-08
PRODUCT 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) |
Description and Uses
Intermediate in dyes, pharmaceuticals, plasticizers, and other organic materials; flame-retardant in epoxy resins.
Safety
| Symbol(GHS) |    GHS05,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H317-H318-H334-H350-H373-H410 |
| Precautionary statements | P201-P261-P273-P280-P305+P351+P338-P308+P313 |
| 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 |
| F | 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 |
