Substance profile
Endothall
Endothall is a cyrstalline, white solid and is odorless.
01 · Identification
What Endothall is
Endothall is a cyrstalline, white solid and is odorless. It melts at 90 °C.
Under the GHS it carries the signal word Danger.
Other names for Endothall
- endothal (ISO)
- 7-oxabicyclo(2,2,1)heptane-2,3-dicarboxylic acid
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 |
|---|---|
| H301 | Toxic if swallowed. |
| H312 | Harmful in contact with skin. |
| H335 | May cause respiratory irritation. |
| H315 | Causes skin irritation. |
| H319 | Causes serious eye irritation. |
Precautionary statements: P264, P270, P280, P301, P302, P305, P310, P312, P313, P330, P332, P337, P338, P352
03 · Physical and chemical properties
Endothall 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 |
|---|---|---|---|
| Melting point | 90 °C (194 °F) | HSDB | |
| 144 °C (291.2 °F) | Endothall monohydrate | HSDB | |
| Density | 1.431 g/cm³ | HSDB | |
| Solubility | In water, 1.0X10+5 mg/L at 20 °C | at 20 °C | HSDB |
| Solubility at 20 °C, g/100 g: acetone 7.0, benzene 0.01, methanol 28 | at 20 °C | HSDB | |
| Solubility at 20 °C, g/kg: dioxane 76, diethyl ether 1, isopropanol 17 | at 20 °C | HSDB | |
| Vapor pressure | 1.57e-10 mmHg | at 24 °C | HSDB |
| Corrosivity | Non-corrosive to metals | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Endothall
Storage conditions
Liquid formulations should be stored at 0 °C or above to prevent crystallization.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Endothal is a dibasic acid, and forms water-soluble amine and alkali-metal salts.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
A phthalic acid derivative.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Endothall in the storage compatibility matrix →