Substance profile
4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one
4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one is crystals from hexane.
01 · Identification
What 4,5-Dichloro-2-n-octyl-4-isoth… is
4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one is crystals from hexane. It melts at 43 °C.
Under the GHS it carries the signal word Danger.
Other names for 4,5-Dichloro-2-n-octyl-4-isoth…
- 4,5-dichloro-2-octyl- 2H-isothiazol-3-one
- [DCOIT]
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 |
|---|---|
| H330 | Fatal if inhaled. |
| H302 | Harmful if swallowed. |
| H314 | Causes severe skin burns and eye damage. |
| H318 | Causes serious eye damage. |
| H317 | May cause an allergic skin reaction. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Supplemental EU statements: EUH071
Precautionary statements: P260, P261, P270, P271, P272, P273, P280, P301, P304, P305, P310, P312, P313, P330, P331, P333, P338, P391, P501
03 · Physical and chemical properties
4,5-Dichloro-2-n-octyl-4-isoth… 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 | Decomposes before boiling | decomposes | HSDB |
| Melting point | 43 °C (109.4 °F) | range, midpoint shown | HSDB |
| Density | 1.28 g/cm³ | at 25 °C, melted and solidified | HSDB |
| Solubility | In deionized water, 6.5 ppm; 4.7 ppm in synthetic seawater | HSDB | |
| Miscible in most organic solvents | HSDB | ||
| In water, 14 ppm at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 0.0000074 mmHg | at 25 °C | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling 4,5-Dichloro-2-n-octyl-4-isoth…
Storage conditions
Keep container tightly closed in a dry and well-ventilated place.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Strong oxidizing agents.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check 4,5-Dichloro-2-n-octyl-4… in the storage compatibility matrix →