[032468] CAS 109-99-9 | Tetrahydrofuran, Spectrophotometric Grade, 99.7+%, unstab.

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, distilled in glass
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

Filtered through 0.2µ filters. Suitable for spectophotometry, chromatographyHighly 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 : H225-H351-H319-H335Highly flammable liquid and vapour.Suspected of causing cancer.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements : P210-P241-P303+P361+P353-P305+P351+P338-P405-P501aKeep away from heat/sparks/open flames/hot surfaces. – No smoking.Use explosion-proof electrical/ventilating/lighting/ equipment.IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
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 : 2-13-16-29-33-36/37-46Keep out of the reach of children.Keep away from food, drink and animal feedingstuffs.Keep away from sources of ignition – No smoking.Do not empty into drains.Take precautionary measures against static discharges.Wear suitable protective clothing and gloves.If swallowed, seek medical advice immediately and show this container or label.