Tetrahydrofuran(CAS#109-99-9)
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R36/37 – Irritating to eyes and respiratory system. R19 – May form explosive peroxides R11 – Highly Flammable R40 – Limited evidence of a carcinogenic effect |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S33 – Take precautionary measures against static discharges. S29 – Do not empty into drains. S16 – Keep away from sources of ignition. S46 – If swallowed, seek medical advice immediately and show this container or label. S37 – Wear suitable gloves. S13 – Keep away from food, drink and animal foodstuffs. |
| UN IDs | UN 2924 3/PG 2 |
| WGK Germany | 1 |
| RTECS | MD0916000 |
| FLUKA BRAND F CODES | 3-10-23 |
| TSCA | Yes |
| HS Code | 29321100 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 oral (rat) 2880 mg/kg LC50 inhal (rat) 21,000 ppm (3 h) PEL (OSHA) 200 ppm (590 mg/m3) TLV-TWA (ACGIH) 200 ppm (590 mg/m3) STEL (ACGIH) 250 ppm (737 mg/m3) |
Introduction
Quality:1. Tetrahydrofuran is a colorless, flammable liquid with a special odor.2. Tetrahydrofuran can react with many organic compounds, and has a certain solubility, and is often used as an organic solvent.Use:1. Tetrahydrofuran has a wide range of applications in biochemistry and organic synthesis.2. It can be used as a stabilizer for solvents, intermediates and catalysts.3. It is also often used as a reaction medium for polymerization reactions.Method:There are several main methods for the preparation of tetrahydrofuran. One is obtained by hydrogenated furans, which is usually carried out in the presence of hydrogen and under the action of a catalyst. Another method is obtained by reacting propylene oxide with ammonia.Safety Information:1. Tetrahydrofuran has certain toxicity and corrosiveness, so direct contact with skin and eyes should be avoided.2. Wear appropriate protective gloves, goggles and protective clothing during use.3. Tetrahydrofuran is flammable, should be kept away from open flames and heat sources, and stored in a cool and ventilated place.4. When disposing of waste, it should be disposed of in accordance with relevant regulations to reduce the impact on the environment.
