تترا هیدرو فوران

Catalogue Number

108114

Synonyms

THF, Tetramethylene oxide, Oxolane, Butylene oxide

Description

Tetrahydrofuran

Overview

EMPLURA® is our low-cost alternative to high-purity qualities. With EMPLURA® we offer a range of solvents for a plurality of basic applications in non-regulated industries and for less demanding applications, preparative laboratory work and cleaning purposes. EMPLURA®solvents provide adequate specifications with the most important parameters.

CAS number

109-99-9

EC index number

603-025-00-0

EC number

203-726-8

Hill Formula

C₄H₈O

Chemical formula

C₄H₈O

Molar Mass

72.11 g/mol

HS Code

2932 11 00

Structure formula Image

Application

Tetrahydrofuran EMPLURA®. CAS 109-99-9, EC Number 203-726-8, chemical formula C₄H₈O.

Boiling point

65 - 66 °C (1013 hPa)

Density

0.89 g/cm3 (20 °C)

Explosion limit

1.5 - 12.4 %(V)

Flash point

-21.5 °C

Melting Point

-108.5 °C

pH value

7 - 8 (200 g/l, H₂O, 20 °C)

Vapor pressure

173 hPa (20 °C)

Hazard Pictogram(s)

Hazard Statement(s)

H225: Highly flammable liquid and vapour.
H302: Harmful if swallowed.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H351: Suspected of causing cancer.
EUH019: May form explosive peroxides.

Precautionary Statement(s)

P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P240: Ground/bond container and receiving equipment.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P313: IF exposed or concerned: Get medical advice/ attention.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.

Signal Word

Danger

RTECS

LU5950000

Storage class

3 Flammable liquids

WGK

WGK 1 slightly water endangering

Disposal

1
Strongly contaminated halogen-free organic solvents: container A.

Hazard Symbols

Irritant
Flammable
 

Categories of danger

highly flammable, carcinogenic, irritant

R Phrase

R 11-19-40-36/37
Highly flammable.May form explosive peroxides.Limited evidence of a carcinogenic effect.Irritating to eyes and respiratory system.

S Phrase

S 16-29-33
Keep away from sources of ignition - No smoking.Do not empty into drains.Take precautionary measures against static discharges.

Storage

Store at +5°C to +30°C.

Declaration (railroad and road) ADR, RID

UN 2056 , 3, II

Declaration (transport by air) IATA-DGR

UN 2056 , 3, II

Declaration (transport by sea) IMDG-Code

UN 2056 , 3, II

Purity (GC)

≥ 99.0 %

Identity (IR)

conforms

Free acid (as CH₃COOH)

≤ 0.002 %

Density (d 20 °C/ 4 °C)

0.887 - 0.889

Peroxide (as H₂O₂)

≤ 0.01 %

Water

≤ 0.1 %

Stabilized with 2,6-Di-tert-butyl-4-methylphenol (BHT)