1-Methylisoquinoline
- CAS NO.：1721-93-3
- Empirical Formula: C10H9N
- Molecular Weight: 143.19
- MDL number: MFCD00006902
- EINECS: 217-017-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:49:00
What is 1-Methylisoquinoline?
Chemical properties
Yellow to light yellow liquid
The Uses of 1-Methylisoquinoline
1-Methylisoquinoline is a useful research chemical compound.
Definition
ChEBI: 1-methylisoquinoline is an isoquinoline substituted by a methyl group at position 1.
Synthesis Reference(s)
Journal of the American Chemical Society, 78, p. 6055, 1956 DOI: 10.1021/ja01604a029
Organic Syntheses, Coll. Vol. 4, p. 641, 1963
Properties of 1-Methylisoquinoline
| Melting point: | 10-12°C |
| Boiling point: | 126-128 °C16 mm Hg(lit.) |
| Density | 1.078 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| form | Crystalline |
| pka | 6.19±0.30(Predicted) |
| Specific Gravity | 1.078 |
| color | Colorless to Light yellow to Light orange |
| CAS DataBase Reference | 1721-93-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Isoquinoline, 1-methyl-(1721-93-3) |
Safety information for 1-Methylisoquinoline
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 1-Methylisoquinoline
| InChIKey | PBYMYAJONQZORL-UHFFFAOYSA-N |
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