Page 332 - Catalogue 2015

Tetrahydrofuran (unstabilized)

CAS [109-99-9]; EC 203-726-8; CÁHÏO; M 72.11

D 0.89; m.p. -108.4 °C; b.p. 66 °C; UN 2056,3,II,F1

Danger H:225-319-335-351; EUH:019; P:210-241-303+361+353-305+351+338

Cat. No. Tetrahydrofuran (unstabilized)
202241 ULC/MS - CC/SFC

Appearance Clear colorless liquid Ag (Silver) max. 50ppb
Al (Aluminum) max. 20ppb
Color (APHA) max. 10 Ba (Barium) max. 50ppb
Bi (Bismuth) max. 50ppb
Assay (GC, on anhydrous basis) min. 99.9% Ca (Calcium) max. 50ppb
Cd (Cadmium) max. 50ppb
Acidity (as Acetic acid) max. 0.0020% Co (Cobalt) max. 20ppb
Cr (Chromium) max. 20ppb
Alkalinity (as Ammonia) max. 0.0005% Fe (Iron) max. 20ppb
K (Potassium) max. 50ppb
Peroxides (as H202) max. 0.01% Li (Lithium) max. 50ppb
Mg (Magnesium) max. 20ppb
MS-ESI+ (as Reserpine) max. 50ppb Mn (Manganese) max. 20ppb
Mo (Molybdenum) max. 50ppb
Water (KF) max. 0.02%w/w Na (Sodium) max. 50ppb
Ni (Nickel) max. 20ppb
F254nm (as Quinine) max. 1ppb Pb (lead) max. 20ppb
Sn (Tin) max. 50ppb
F365nm (as Quinine) max. 1ppb Sr (Strontium) max. 50ppb
Zn (Zinc) max. 50ppb
Grad. elution H.Peak at 254nm max. 0.01AU
max. 0.1ppm
Grad. elution H.Peak at 280nm max. 0.003AU max. 0.05ppm
max. 0.05ppm
T215nm min. 30% max. 0.05ppm
max. 0.02ppm
T235nm min. 40% max. 0.02ppm
max. 0.02ppm
T245nm min. 55% max. 0.05ppm
max. 0.1ppm
T250nm min. 65% max. 0.05ppm
max. 0.02ppm
T265nm min. 80% max. 0.05ppm
max. 0.05ppm
T275nm min. 90% max. 0.02ppm
max. 0.02ppm
T280nm min. 95% max. 0.05ppm
max. 0.05ppm
T310nm min. 99% max. 0.1ppm

Residue after evaporation max. 0.0001%w/w

Filtered through 0.1µm, filled under inert gas.

Cat. No. Tetrahydrofuran (unstabilized)
202278 LC-MS

Appearance Clear colorless liquid Bi (Bismuth)
Ca (Calcium)
Acidity (as Acetic acid) max. 0.002% Cd (Cadmium)
Co (Cobalt)
Alkalinity (as Ammonia) max. 0.0005% Cr (Chromium)
Cu (Copper)
Assay (GC, on anhydrous basis) min. 99.9% Fe (Iron)
K (Potassium)
Color (APHA) max. 10 Li (Lithium)
Mg (Magnesium)
Peroxides (as H2O2) max. 0.01% Mn (Manganese)
Mo (Molybdenum)
Residue after evaporation max. 0.0002%w/w Na (Sodium)
Ni (Nickel)
Water (KF) max. 0.03%w/w Pb (Lead)
Sn (Tin)
Grad. elution H.Peak at 254nm max. 0.015AU Sr (Strontium)
Zn (Zinc)
Grad. elution H.Peak at 280nm max. 0.003AU

T230nm min. 35%

T245nm min. 55%

T270nm min. 88%

T280nm min. 90%

T310nm min. 99%

LC-MS suitability test Complies

Ag (Silver) max. 0.1ppm

Al (Aluminum) max. 0.05ppm

Ba (Barium) max. 0.1ppm

Filtered through 0.2µm, filled under inert gas.