Tetrahydrofuran GR 1Ltr
for analysis EMSURE® ACS,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 109731.1000
Stock: In Stock
Description
| Catalogue Number | 109731 |
| Synonyms | THF, Tetramethylene oxide, Oxolane, Butylene oxide |
| Description | Tetrahydrofuran |
| Overview | EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards. |
Product Information
| CAS number | 109-99-9 |
| EC index number | 603-025-00-0 |
| EC number | 203-726-8 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | C₄H₈O |
| Chemical formula | C₄H₈O |
| Molar Mass | 72.11 g/mol |
| HS Code | 2932 11 00 |
Physicochemical Information
| Boiling point | 65 - 66 °C (1013 hPa) |
| Density | 0.89 g/cm3 (20 °C) |
| Explosion limit | 1.5 - 12.4 %(V) |
| Flash point | -21.5 °C |
| Melting Point | -108.5 °C |
| pH value | 7 - 8 (200 g/l, H₂O, 20 °C) |
| Vapor pressure | 173 hPa (20 °C) |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Purity (GC) | ≥ 99.8 % |
| Identity (IR) | conforms |
| Appearance | clear |
| Color | ≤ 10 Hazen |
| Density (d 20 °C/20 °C) | 0.885 - 0.895 |
| Acidity | ≤ 0.0003 meq/g |
| Alkalinity | ≤ 0.0002 meq/g |
| Peroxides | conforms |
| Peroxide (as H₂O₂) | ≤ 0.005 % |
| Al (Aluminium) | ≤ 0.00005 % |
| B (Boron) | ≤ 0.000002 % |
| Ba (Barium) | ≤ 0.00001 % |
| Ca (Calcium) | ≤ 0.00005 % |
| Cd (Cadmium) | ≤ 0.000005 % |
| Co (Cobalt) | ≤ 0.000002 % |
| Cr (Chromium) | ≤ 0.000002 % |
| Cu (Copper) | ≤ 0.000002 % |
| Fe (Iron) | ≤ 0.00001 % |
| Mg (Magnesium) | ≤ 0.000002 % |
| Mn (Manganese) | ≤ 0.000002 % |
| Ni (Nickel) | ≤ 0.000002 % |
| Pb (Lead) | ≤ 0.00001 % |
| Sn (Tin) | ≤ 0.00001 % |
| Zn (Zinc) | ≤ 0.00001 % |
| Evaporation residue | ≤ 0.0005 % |
| Water | ≤ 0.03 % |
| Stabilized with 2,6-Di-tert-butyl-4-methylphenol (BHT). |
