Substance profile
Endrin
Endrin is a white, crystalline solid and is odorless.
01 · Identification
What Endrin is
Endrin is a white, crystalline solid and is odorless. It boils at 245 °C, melts at 200 °C.
Under the GHS it carries the signal word Danger. It is classed as teratogens.
Other names for Endrin
- endrin (ISO)
- 1,2,3,4,10,10-hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-1,4:5,8-dimethanonaphthalene
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 |
|---|---|
| H300 | Fatal if swallowed. |
| H311 | Toxic in contact with skin. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P270, P273, P280, P301, P302, P310, P330, P352, P391, P501
03 · Physical and chemical properties
Endrin 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 | 245 °C (473 °F) | decomposes, decomposes | OSHA |
| Decomposes | decomposes | NIOSH | |
| Decomposes (NTP, 1992) | decomposes | CAMEO | |
| Melting point | 200 °C (392 °F) | ICSC | |
| 200 °C (392 °F) | approximate, rearranges above that point | HSDB | |
| 200 °C (392 °F) | decomposes | NIOSH | |
| Density | 1.7 g/cm³ | NIOSH | |
| 1.7 g/cm³ | at 20 °C | HSDB | |
| Solubility | Solubility of endrin in fresh water: 200 ug/l. | HSDB | |
| Solubility in g/100 ml solvent at 25 °C: acetone 17, benzene 13.8, carbon tetrachloride 3.3, hexane 7.1, and xylene 18.3 | at 25 °C | HSDB | |
| In water, 0.25 mg/l @ 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 0.000003 mmHg | at 20 °C | HSDB |
| 2e-7 mmHg | at 25 °C | CAMEO | |
| 0.000003 mmHg | Haz-Map | ||
| Flash point | 26.67 °C (80 °F) | OSHA | |
| Commercial product may contain flammable liquid with flashpoint 80F. (EPA, 1998) | CAMEO | ||
| Lower explosive limit (LEL) | 1.1 % by volume | CAMEO | |
| 1.1 % by volume | commercial product | OSHA | |
| 1.1%-7% mixture in xylene (in air) | HSDB | ||
| Upper explosive limit (UEL) | 7 % by volume | CAMEO | |
| 7 % by volume | commercial product | OSHA | |
| Odor threshold | 1.80x10-2 ppm (perfume/flavor grade purity). | HSDB | |
| Corrosivity | Slightly 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 Endrin
Incompatible materials
/Endrin/ has reacted violently with parathion.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
While a mixture of parathion and ENDRIN was being blended into a petroleum solvent, an exothermic reaction occurred that caused some of the petroleum solvent to vaporize. The solvent-vapor-air mixture exploded. The mechanical agitation possibly initiated the exothermic reaction, Doyle(1973). Toxic hydrogen chloride and phosgene may be generated when solution burns. Avoid strong oxidizers, strong acids and parathion. [EPA, 1998].
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Endrin in the storage compatibility matrix →