117-08-8
Product Name:
Tetrachlorophthalic anhydride
Formula:
C8Cl4O3
Synonyms:
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
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Tetrachlorophthalic anhydride appears as odorless needle-like crystals or white powder. (NTP, 1992) |
|---|---|
| Color/Form | PRISMS, NEEDLES FROM SUBLIMATION |
| Odor | ODORLESS |
| Boiling Point | 700 °F at 760 mmHg (sublimes) (NTP, 1992) |
| Melting Point | 491 to 494 °F (NTP, 1992) |
| Flash Point | 362 °C c.c. |
| Solubility | less than 1 mg/mL at 70 °F (NTP, 1992) |
| Density | 1.49 at 527 °F (NTP, 1992) - Denser than water; will sink |
| Kovats Retention Index | 2029 |
| Other Experimental Properties | NONHYGROSCOPIC |
| Chemical Classes | Plastics & Rubber -> Acid Anhydrides, Cyclic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H318:Serious eye damage/eye irritation H334:Sensitisation, respiratory H350:Carcinogenicity H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
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. |
COMPUTED DESCRIPTORS
| Molecular Weight | 285.9 g/mol |
|---|---|
| XLogP3 | 3.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 285.857205 g/mol |
| Monoisotopic Mass | 283.860155 g/mol |
| Topological Polar Surface Area | 43.4 Ų |
| Heavy Atom Count | 15 |
| Formal Charge | 0 |
| Complexity | 291 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Tetrachlorophthalic anhydride appears as odorless needle-like crystals or white powder. (NTP, 1992)