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360589
Sigma-Aldrich
Tetrahydrofuran
ACS reagent, ≥99.0%, contains 250 ppm BHT as inhibitor
| Synonym: | THF |
| CAS Number: | 109-99-9 |
| Linear Formula: | C4H8O |
| Molecular Weight: | 72.11 |
| Beilstein Registry Number: | 102391 |
| EC Number: | 203-726-8 |
| MDL number: | MFCD00005356 |
| PubChem Substance ID: | 24862173 |
Description
| Frequently Asked Questions | Live Chat and Frequently Asked Questions |
| Packaging | 10 L in ss drum |
| 20, 200 L in steel drum | |
| 400 L in Kilo-Lab™ | |
| 500, 6×500 mL in glass btl | |
| 10 L packaged in closed-head stainless steel drums; 20 L, 200 L packaged in closed-head steel drums; 500 mL, 1 L, 2 L, 6×500 mL, 4 L, 6×1 L, 4×4 L packaged in glass bottles | |
| 1, 6×1, 2, 4, 4×4 L in glass btl |
Properties
| grade | ACS reagent |
| vapor density | 2.5 (vs air) |
| vapor pressure | 114 mmHg ( 15 °C) |
| 143 mmHg ( 20 °C) | |
| assay | ≥99.0% |
| autoignition temp. | 610 °F |
| contains | 250 ppm BHT as inhibitor |
| expl. lim. | 11.8 % |
| total impurities | ≤0.015% peroxide (as H2O2) |
| ≤0.05% water | |
| evapn. residue | ≤0.03% |
| color | ≤20(APHA) |
| refractive index | n |
| bp | 65-67 °C(lit.) |
| mp | −108 °C(lit.) |
| density | 0.889 g/mL at 25 °C(lit.) |
Safety
| Personal Protective Equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
| Hazard Codes | F,Xi |
| Risk Statements | 11-19-36/37 |
| Safety Statements | 16-29-33 |
| RIDADR | UN2056 3/PG 2 |
| WGK Germany | 1 |
| RTECS | LU5950000 |
| UEL | 11.80%(V) |
| LEL | 1.80%(V) |
| Flash Point(F) | 1.4 °F |
| Flash Point(C) | -17 °C |
References
| Merck | Merck 13,9285 |
| Beilstein | Beil. 17,V,1,27 |
| Fieser | Fieser 1,1140 / Fieser 2,398 / Fieser 3,278 / Fieser 5,649 / Fieser 6,570 |






