3-Hydroxyisoquinoline
Synonym(s):3-Isoquinolinol
- CAS NO.：7651-81-2
- Empirical Formula: C9H7NO
- Molecular Weight: 145.16
- MDL number: MFCD00075524
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:55:34
What is 3-Hydroxyisoquinoline?
Chemical properties
Light yellow powder
The Uses of 3-Hydroxyisoquinoline
3-?Hydroxyisoquinoline is a compound used in a polymeric mixture of polyvinyl alcohol (PVA) along with Nile Red to produce white light through Fo?rster resonance energy transfer.
General Description
Two excited state proton transfer mechanisms of 3-hydroxyisoquinoline (3HIQ) in cyclohexane and acetic acid has been investigated by time-dependent density functional theory (TDDFT). Spectral and photo physical properties of 3-HIQ in various protic/aprotic solvents were studied. Phototautomerization of 3-HIQ has been reported. Oxo-hydroxy tautomerism and phototautomerism of 3-HIQ has been studied using the matrix-isolation technique.
Properties of 3-Hydroxyisoquinoline
| Melting point: | 192-194 °C (lit.) |
| Boiling point: | 551.9±23.0 °C(Predicted) |
| Density | 1.23±0.1 g/cm3(Predicted) |
| storage temp. | Inert atmosphere,Room Temperature |
| pka | 11.06±0.20(Predicted) |
| color | Yellow |
| BRN | 113230 |
| CAS DataBase Reference | 7651-81-2(CAS DataBase Reference) |
Safety information for 3-Hydroxyisoquinoline
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-Hydroxyisoquinoline
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