Substance profile
Quinolin-8-ol
Quinolin-8-ol is white crystals or white crystalline powder with a phenolic odor.
01 · Identification
What Quinolin-8-ol is
Quinolin-8-ol is white crystals or white crystalline powder with a phenolic odor. Its molecular formula is C9H7NO and its molecular weight is 145.16 g/mol. It boils at 267 °C, melts at 76.1 °C.
Under the GHS it carries the signal word Danger.
Other names for Quinolin-8-ol
- 8-hydroxyquinoline
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 |
|---|---|
| H360D | May damage the unborn child. |
| H301 | Toxic if swallowed. |
| 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. |
Precautionary statements: P261, P270, P272, P273, P280, P301, P305, P310, P313, P330, P333, P338, P391, P501
03 · Physical and chemical properties
Quinolin-8-ol 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 | 267.22 °C (513 °F) | at 760 mmHg | CAMEO |
| 267 °C (512.6 °F) | at 760 mmHg | DOE PAC | |
| 267 °C (512.6 °F) | approximate | HSDB | |
| Melting point | 76.11 °C (169 °F) | CAMEO | |
| 76 °C (168.8 °F) | DOE PAC | ||
| 74 °C (165.2 °F) | range, midpoint shown | HSDB | |
| Density | 1.034 g/cm³ | at 20 °C | HSDB |
| 1.034 g/cm³ | at 208.89 °C | CAMEO | |
| Solubility | Soluble in alcohol, acetone, chloroform, benzene, and in formic, acetic, hydrochloric, and sulfuric acids and alkalies. | HSDB | |
| 1 part in 1500 parts water | HSDB | ||
| In water, 556 mg/l @ 20 °C | at 20 °C | HSDB | |
| Vapor pressure | 0.0017 mmHg | at 25 °C | HSDB |
| 0.0016 mmHg | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Quinolin-8-ol
Reactivity
8-HYDROXYQUINOLINE darkens on exposure to light. This chemical readily forms stable metal chelates. It is incompatible with strong oxidizers. It is also incompatible with many metal ions. (NTP, 1992)
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Quinolin-8-ol in the storage compatibility matrix →