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Merck
CN

1.08101

Tetrahydrofuran

≥99.9% (GC), suitable for HPLC, LiChrosolv®

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:
Molecular Weight:
72.11
NACRES:
NA.03
EC Index Number:
203-726-8
UNSPSC Code:
12191504
MDL number:
Beilstein/REAXYS Number:
102391
Assay:
≥99.9% (GC)
Technique(s):
HPLC: suitable
Bp:
65-67 °C (lit.)
Vapor pressure:
114 mmHg ( 15 °C), 143 mmHg ( 20 °C)
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Product Name

Tetrahydrofuran, for liquid chromatography LiChrosolv®

vapor density

2.5 (vs air)

Quality Level

vapor pressure

114 mmHg ( 15 °C), 143 mmHg ( 20 °C)

description

isocratic

product line

LiChrosolv®

assay

≥99.9% (GC)

form

liquid

autoignition temp.

610 °F

expl. lim.

1.8-11.8 %

technique(s)

HPLC: suitable

impurities

≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.02% Peroxide, ≤0.02% Water

evapn. residue

≤1.0 mg/L

transmittance

218 nm, ≥30%, 230 nm, ≥35%, 250 nm, ≥65%, 280 nm, ≥95%

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.)

storage temp.

2-30°C

SMILES string

C1CCOC1

InChI

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

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N

General description

LiChrosolv® solvents have high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level. This makes them ideal for reproducible separations.

Application

Used as a solvent in chromatography applications.
Also featured in USP monograph methods for regulated pharmaceutical instrumental analysis.

Features and Benefits

  • packaged in glass bottles
  • offers high resolution, sensitivity and optimized peak baseline separation

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Evaporation residue: ≤ 1.0 mg/l
Water: ≤ 0.02 %
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Peroxide: ≤ 0.02 %
Transmission (at 218 nm): ≥ 30 %
Transmission (at 230 nm): ≥ 35 %
Transmission (at 250 nm): ≥ 65 %
Transmission (at 280 nm): ≥ 95 %
Filtred by 0.2µm filter

Other Notes

Explore various lab safety accessories and equipment for safe handling of solvents to increase your safety level from the first usage.

Legal Information

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


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signalword

Danger

target_organs

Central nervous system, Respiratory system

supp_hazards

Storage Class

3 - Flammable liquids

flash_point_f

-6.2 °F - closed cup

flash_point_c

-21.2 °C - closed cup

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - STOT SE 3

Regulatory Information

危险化学品

This item has



Certificates of Analysis (COA)

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Protocols

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Global Trade Item Number

SKUGTIN
MX1300-304061839430020
MX1300-3004061839430037
V800015-500ML04061837552779
W273104-4KG-K04061838108043
W273104-SAMPLE-K04061837516245
106146400004027269683962
820820250004022536467344
820820601004022536467351
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360511-18L-CS04061837911071
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360511-4L04061837566103
1601452-3X1.2ML04065273205657
1430203-3X1.2ML04061838734587
02474-5ML04061838617255