Substance profile
Benzene-1,2:4,5-tetracarboxylic dianhydride
Benzene-1,2:4,5-tetracarboxylic dianhydride is a white powder.
01 · Identification
What Benzene-1,2:4,5-tetracarboxyli… is
Benzene-1,2:4,5-tetracarboxylic dianhydride is a white powder. Its molecular formula is C10H2O6 and its molecular weight is 218.12 g/mol. It boils at 399 °C, melts at 286 °C, is soluble in water.
Under the GHS it carries the signal word Danger.
Other names for Benzene-1,2:4,5-tetracarboxyli…
- pyromellitic dianhydride
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H318 | Causes serious eye damage. |
| H334 | May cause allergy or asthma symptoms or breathing difficulties if inhaled. |
| H317 | May cause an allergic skin reaction. |
Precautionary statements: P261, P272, P280, P305, P310, P313, P333, P338
03 · Physical and chemical properties
Benzene-1,2:4,5-tetracarboxyli… properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 398.5 °C (749.3 °F) | range, midpoint shown | HSDB |
| Melting point | 286 °C (546.8 °F) | HSDB | |
| 287 °C (548.6 °F) | ICSC | ||
| Density | 1.68 g/cm³ | HSDB | |
| 1.68 g/cm³ | at 25 °C | DOE PAC | |
| Solubility | Soluble in some organic solvents | HSDB | |
| Solubility in water: reaction | ICSC | ||
| In water, 130 mg/L @ 25 °C | at 25 °C, Estimated | HSDB | |
| Vapor pressure | 0.0000048 mmHg | at 25 °C | HSDB |
| 0.0000048 mmHg | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Benzene-1,2:4,5-tetracarboxyli…
Storage conditions
Dry. Well closed.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Benzene-1,2:4,5-tetracarb… in the storage compatibility matrix →