Tetrahydrofuran
SIAL/437638 - contains 250 ppm BHT as inhibitor, ACS reagent, ≥99.0%
Synonym: THF; Butylene oxide; Oxolane; Tetramethylene oxide
CAS Number: 109-99-9
Empirical Formula (Hill Notation): C4H8O
Molecular Weight: 72.11
EC Number: 203-726-8
MDL Number: MFCD00005356
Linear Formula: C4H8O
Product Type: Chemical
assay | ≥99.0% |
autoignition temp. | 610 °F |
bp | 65-67 °C (lit.) |
color | APHA: ≤20 |
contains | 250 ppm BHT as inhibitor |
density | 0.889 g/mL at 25 °C (lit.) |
evapn. residue | ≤0.03% |
expl. lim. | 1.8-11.8 % |
form | liquid |
grade | ACS reagent |
impurities | ≤0.015% peroxide (as H2O2) |
≤0.05% water | |
InChI | 1S/C4H8O/c1-2-4-5-3-1/h1- |
InChI key | WYURNTSHIVDZCO-UHFFFAOYSA |
mp | −108 °C (lit.) |
pH | ~7 |
Quality Level | 200 ![]() |
refractive index | n |
SMILES string | C1CCOC1 |
solubility | water: soluble |
technique(s) | HPLC: suitable |
vapor density | 2.5 (vs air) |
vapor pressure | 114 mmHg ( 15 °C) |
143 mmHg ( 20 °C) |
Application: | Tetrahydrofuran may be used used as a solvent in the following processes: • Formation of diacetylinic polymers. • RAFT polymerization of p-acetoxystyrene. • Synthesis of di-tert-butyl-Phosphinoferrocene. • Synthesis of n-TiO2-based amphiphilic polymer brushes. It may be used in the following processes: • As mobile phase solvent in high-performance liquid chromatography. • As a solvent in the preparation of spin-coated poly(bisphenol A decane ether). • Formation of butyrolactone (BTL) by green oxidation method. • As a solvent for lignin depolymerization to isolate phenolic monomer. |
Other Notes: | Go to our Greener Alternative-2-Methyl Tetrahydrofuran - 155810 ![]() Go to our Greener Alternative-Cyclopentyl methylether - 675989 ![]() |
Packaging: | 4×4 L in PVC-coated bottle |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H225 - H302 - H319 - H335 - H336 - H351 |
Precautionary statements | P201 - P202 - P210 - P301 + P312 - P305 + P351 + P338 - P308 + P313 |
Hazard Codes | F,Xn |
Risk Statements | 11-19-36/37-40 |
Safety Statements | 13-16-29-33-36-37-46 |
RIDADR | UN 2056 3 / PGII |
WGK Germany | WGK 1 |
Flash Point(F) | -6.2 °F - closed cup |
Flash Point(C) | -21.2 °C - closed cup |
Supplemental Hazard Statements | EUH018 - EUH019 |
Purity | ≥99.0% |
bp | 65-67 °C (lit.) |
mp | −108 °C (lit.) |
Density | 0.889 g/mL at 25 °C (lit.) |
Refractive Index | n |
UNSPSC | 12352005 |