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1.08110

Tetrahydrofuran

≥99.9% (GC), suitable for UV/Vis spectroscopy, Uvasol®

Synonym(s):

THF, Tetramethylene oxide, Oxolane, Butylene oxide, Butylene oxide, Oxolane, Tetramethylene oxide

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About This Item

Empirical Formula (Hill Notation):
C4H8O
CAS Number:
109-99-9
Molecular Weight:
72.11
NACRES:
NA.03
EC Index Number:
203-726-8
UNSPSC Code:
12191504
MDL number:
MFCD00005356
Beilstein/REAXYS Number:
102391
Assay:
≥99.9% (GC)
Technique(s):
UV/Vis spectroscopy: suitable
Bp:
65-67 °C (lit.)
Vapor pressure:
114 mmHg ( 15 °C), 143 mmHg ( 20 °C)
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Product Name

Tetrahydrofuran, for spectroscopy Uvasol®

Quality Level

100

vapor density

2.5 (vs air)

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)

UV/Vis spectroscopy: suitable

impurities

≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.01% Water

evapn. residue

≤0.0002%

color

APHA: ≤10

transmittance

215 nm, ≥30%, 245 nm, ≥50%, 265 nm, ≥80%, 275 nm, ≥90%, 310 nm, ≥98%

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 -20 °C

density

0.889 g/mL at 25 °C (lit.)

UV absorption

λ: 215 nm Amax: ≤0.52, λ: 245 nm Amax: ≤0.30, λ: 265 nm Amax: ≤0.10, λ: 275 nm Amax: ≤0.05, λ: 310 nm Amax: ≤0.01

storage temp.

2-30°C

SMILES string

C1CCOC1

InChI

1S/C4H8O/c1-2-4-5-3-1/h1-4H2

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N

Analysis Note

Purity (GC): ≥ 99.9 %
Evaporation residue: ≤ 0.0002 %
Water: ≤ 0.01 %
Colour: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Fluorescence (as quinine at 254 nm): ≤ 1.0 ppb
Fluorescence (as quinine at 365 nm): ≤ 1.0 ppb
Transmission (at 215 nm): ≥ 30 %
Transmission (at 245 nm): ≥ 50 %
Transmission (at 265 nm): ≥ 80 %
Transmission (at 275 nm): ≥ 90 %
Transmission (from 310 nm): ≥ 98 %
Absorbance (at 215 nm): ≤ 0.52
Absorbance (at 245 nm): ≤ 0.30
Absorbance (at 265 nm): ≤ 0.10
Absorbance (at 275 nm): ≤ 0.05
Absorbance (from 310 nm): ≤ 0.01

Other Notes

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Legal Information

UVASOL is a registered trademark of Merck KGaA, Darmstadt, Germany

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signalword

Danger

supp_hazards

EUH019

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-6.2 °F - closed cup

flash_point_c

-21.2 °C - closed cup

target_organs

Central nervous system, Respiratory system

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Certificates of Analysis (COA)

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