2-Methyltetrahydrofuran
Pharmaceutical Materials 2025-03-02
CAS Number: 96-47-9
Molecular Formula: C5H10O
Molecular Weight: 86.13 Appearance: Colorless volatile liquid with an ether-like odor
Melting Point: -136°C B
oiling Point: Not available
Density: Slightly soluble in water, miscible with organic solvents
Usage: Important organic synthesis intermediate and solvent.
| Name | 2-Methyltetrahydrofuran |
| Synonyms |
2-Methyltetrahydrofu 2-Methyltetrahydrofuran tetrahydro-2-methylfuran alpha-Methyltetrahydrofuran (2R)-2-methyltetrahydrofuran 2-Methyltetrahydrofuran,Tetrahydro-2-methylfuran, Tetrahydrosilvan 2-Methyltetrahydrofuran,For Grignard reaction,anhydrous, stabilized |
Physico-chemical Properties
| Molecular Formula | C5H10O |
| Molar Mass | 86.13 |
| Density | 0.86g/mLat 25°C(lit.) |
| Melting Point | -136 °C |
| Boling Point | 78-80°C(lit.) |
| Flash Point | 10.4°F |
| Water Solubility | 15 g/100 mL (25 C) |
| Solubility | 150g/l |
| Vapor Presure | 136 hPa (20 °C) |
| Appearance | Liquid |
| Color | Clear colorless |
| BRN | 102448 |
| Storage Condition | Store below +30°C. |
| Stability | Stable, but highly flammable. Incompatible with oxidizing agents, strong acids, strong bases. May form explosive peroxides in storage, so often supplied with an inhibitor added. |
| Explosive Limit | 1.2-5.7%(V) |
| Refractive Index | n20/D 1.406(lit.) |
| Physical and Chemical Properties | Character: colorless liquid. Has an ether-like odor. boiling point 80 ℃ freezing point -136 ℃ relative density 0.8552 refractive index 1.4025 flash point -11 ℃ solubility soluble in water, the solubility in water increases with decreasing temperature. Soluble in ethanol, ether, acetone, benzene and chloroform and other organic solvents. |
| Use | For pharmaceutical chloroquine phosphate intermediates |
Risk and Safety
| Risk Codes | R11 – Highly Flammable R19 – May form explosive peroxides R36/37 – Irritating to eyes and respiratory system. R2017/11/19 – |
| Safety Description | S16 – Keep away from sources of ignition. S23 – Do not breathe vapour. S39 – Wear eye / face protection. S33 – Take precautionary measures against static discharges. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 2536 3/PG 2 |
| WGK Germany | 2 |
| RTECS | LU2800000 |
| TSCA | Yes |
| HS Code | 29321900 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: > 300 – 2000 mg/kg LD50 dermal Rat > 2000 mg/kg |
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