1.08107

Tetrahydrofuran

≥99.9% (GC), suitable for DNA amplification and peptide synthesis (max. 0.005% H₂O)

• Synonyma: THF, Tetramethylene oxide, Oxolane, Butylene oxide, Butylene oxide, Oxolane, Tetramethylene oxide
• Empirický vzorec (Hillův zápis): C₄H₈O
• Číslo CAS: 109-99-9
• Molekulová hmotnost: 72.11
• Beilstein/REAXYS Number: 102391
• MDL number: MFCD00005356
• UNSPSC Code: 12191504
• EC Index Number: 203-726-8
• NACRES: NA.21

Vlastnosti

• product name: Tetrahydrofuran, for DNA and peptide synthesis (max. 0.005% H₂O)
• vapor density: 2.5 (vs air)
• Quality Level: 200
• vapor pressure: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)
• assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 610 °F
• expl. lim.: 1.8-11.8 %
• technique(s): DNA amplification: suitable
• impurities: ≤0.0002 meq/g Alkalinity; ≤0.0005 meq/g Acidity; ≤0.005% Peroxide (as H₂O₂); ≤0.005% Water
• evapn. residue: ≤10 mg/L
• color: APHA: ≤10
• refractive index: n20/D 1.407 (lit.)
• pH: 7-8 (20 °C, 200 g/L in H₂O)
• bp: 65-67 °C (lit.)
• mp: −108 °C (lit.)
• transition temp: flash point -21.5 °C
• density: 0.889 g/mL at 25 °C (lit.)
• application(s): peptide synthesis
• storage temp.: 2-30°C
• SMILES string: C1CCOC1
• InChI: 1S/C4H8O/c1-2-4-5-3-1/h1-4H2
• InChI key: WYURNTSHIVDZCO-UHFFFAOYSA-N

Popis

Analysis Note

Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Color: ≤ 10 Hazen
Acidity: ≤ 0.0005 meq/g
Alkalinity: ≤ 0.0002 meq/g
Peroxide (as H₂O₂): ≤ 0.005 %
Evaporation residue: ≤ 10 mg/l
Water: ≤ 0.005 %
The product is stabilized with 2,6-Di-tert-butyl-4-methylphenol (BHT).

Bezpečnostní informace

• pictograms: GHS02,GHS07,GHS08
• signalword: Danger
• hcodes: H225 - H302 - H319 - H335 - H336 - H351
• pcodes: P202 - P210 - P233 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2
• supp_hazards: EUH019
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: -6.2 °F - closed cup
• flash_point_c: -21.2 °C - closed cup