[047122] CAS 109-99-9 | Tetrahydrofuran, anhydrous, 99.8+%, BHT-free, over molecular sieves, packaged under Argon in resealable ChemSeal bottles

CAS : 109-99-9
UN# : UN2056
MDL : MFCD00005356
Hazard Class : 3
EINECS : 203-726-8
Packing Group : II

Chemical Properties

Formula : C4H8O
Formula weight : 72.11
Melting Point : -108°
Boiling Point : 66° Flash point: -17°(1°F)
Density : 0.889
Refractive Index : 1.4070
Sensitivity : Ambient temperatures.
Form : Liquid
Solubility : Miscible with water.

Applications

Tetrahydrofuran is used as a solvent in Grignard reagent formation processes, pharmaceutical steroids and in the preparation of organometallic reagents. It is used for HPLC, spectrophotometry and environmental testing. It is used as a resin solvent in flexographic inks for plastics coating deposition for audio and video tapes. It is used in PVC and CPVC pipe cements, polyurethane coatings and in PVC film castings.

Notes

Highly flammable. Oxidizes readily in air to form unstable peroxides. THF exhibits high volatility and an extremely low freezing point. Keep the container tightly closed and sealed until ready for use.Other References : Beilstein: 102391
Merck : 14,9211
UN# : UN2056

GHS Hazard and Precautionary Statements

Hazard Statements :
Precautionary Statements :
위험 문구 : 11-19-36/37-40Highly flammable.May form explosive peroxides.Irritating to eyes and respiratory system.Limited evidence of a carcinogenic effect.
안전 문구 : 9-16-23-26-33-36/37-60Keep container in a well-ventilated place.Keep away from sources of ignition – No smoking.Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer).In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Take precautionary measures against static discharges.Wear suitable protective clothing and gloves.This material and its container must be disposed of as hazardous waste