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Merck

TX0278

Tetrahydrofuran

≥99% (GC), reagent

Synonym(s):

Tetrahydrofuran, Diethylene oxide, THF, 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
EC Index Number:
203-726-8
UNSPSC Code:
12191504
MDL number:
MFCD00005356
Beilstein/REAXYS Number:
102391
assay:
≥99% (GC)
bp:
65-67 °C (lit.)
vapor pressure:
114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

Product Name

Tetrahydrofuran 99%, Reagent

InChI

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

SMILES string

C1CCOC1

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N

vapor density

2.5 (vs air)

vapor pressure

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

610 °F

expl. lim.

1.8-11.8 %

dilution

(for analytical testing)

impurities

≤0.05% Water (H2O)

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.)

shipped in

ambient

storage temp.

room temp

Quality Level

200

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Analysis Note

Assay (GC): 99% min
Color (APHA): 10 max
Form: Clear liquid
Infrared Spectrum: Conforms to standard
Water (H2O): 0.05% max

General description

EMPARTA solvents are designed for routine chemical synthesis, drying, purification, and critical labware cleaning in quality control environments. Engineered for precision, they deliver consistently reproducible results essential for rigorous validation and documentation.

Exceptional Quality Standards: These solvents meet or exceed ACS specifications, providing assurance of high quality that is crucial for accurate testing and analysis in quality control.

Consistent Reproducibility: Designed for precision, the solvents ensure that results can be reliably reproduced, which is vital for maintaining compliance and integrity in quality control processes.

Versatile Applications: Suitable for a variety of QC tasks, including analytical testing, method validation, and testing USP/NF monographs, these solvents support a comprehensive approach to quality assurance in laboratory settings.

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

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

Certificates of Analysis (COA)

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