Specification Sheet
Product Name
Tetrahydrofuran contains 250 ppm BHT as inhibitor, puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.9%
Product Number
87368
Product Brand
SIGALD
CAS Number
109-99-9
Molecular Weight
72.11
Test | Specification |
|---|---|
| STABILIZER | STABILIZED WITH ~0.025 % 2,6-DI-TERT-BUTYL-4-METHYLPHENOL |
| APPEARANCE (COLOR) | Colorless |
| APPEARANCE (FORM) | Liquid |
| COLOR (IN APHA) | ≤ 20 APHA |
| PURITY (GC AREA %) | ≥ 99.9 % |
| DENSITY D20/4 | 0.886 - 0.888 |
| REFRACTIVE INDEX N20/D | 1.406 - 1.408 |
| WATER (COULOMETR.) | ≤ 0.05 % |
| RESIDUE (EVAPORATION) | ≤ 0.001 % |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE |
| MISCELLANEOUS TESTS | MISCIBLE WITH WATER: PASS; MISCIBLE WITH ETHANOL (96 %): PASS |
| TRACES PEROXIDE (AS H2O2) | ≤ 50 mg/kg |
| TRACE ANALYSIS (ADDITIONAL TESTS) | FREE ACID (AS CH3COOH) ≤ 0.001 % |
| ACS SPECIFICATIONS | CORRESPONDS TO REQUIREMENTS |
| ALUMINIUM (ICP) | ≤ 0.5 mg/kg |
| BARIUM (ICP) | ≤ 0.1 mg/kg |
| BISMUTH (ICP) | ≤ 0.1 mg/kg |
| BORON (ICP) | ≤ 0.02 mg/kg |
| CALCIUM (ICP) | ≤ 0.5 mg/kg |
| CADMIUM (ICP) | ≤ 0.05 mg/kg |
| COBALT (ICP) | ≤ 0.02 mg/kg |
| CHROMIUM (ICP) | ≤ 0.02 mg/kg |
| COPPER (ICP) | ≤ 0.02 mg/kg |
| IRON (ICP) | ≤ 0.1 mg/kg |
| POTASSIUM (ICP) | ≤ 0.5 mg/kg |
| LITHIUM (ICP) | ≤ 0.1 mg/kg |
| MAGNESIUM (ICP) | ≤ 0.1 mg/kg |
| MANGANESE (ICP) | ≤ 0.02 mg/kg |
| MOLYBDENUM (ICP) | ≤ 0.1 mg/kg |
| SODIUM (ICP) | ≤ 0.5 mg/kg |
| NICKEL (ICP) | ≤ 0.02 mg/kg |
| LEAD (ICP) | ≤ 0.1 mg/kg |
| TIN (ICP) | ≤ 0.1 mg/kg |
| STRONTIUM (ICP) | ≤ 0.1 mg/kg |
| ZINC (ICP) | ≤ 0.1 mg/kg |
| METAL TRACE ANALYSIS (ICP-MS) | CORRESPONDS TO REQUIREMENTS |
| RECOMMENDED RETEST PERIOD | 42 MONTHS |