Product details

Tetrahydrofurane (THF) is a intermediate product of the production of polyamide, polyester and polyurethane. Tetrahydrofurane is a solvent on organic base for PVC, polystyrene, polyethane, cellulose nitrate, enamel and adhesives.

CAS-No. 109-99-9
EINECS-No. 203-726-8
Chemical formula: C4H8O

Synonyms: Oxolane | THF | 1,4-Epoxybutane | Butylene oxide | Cyclotetramethylene oxide | Oxacyclopentane | Diethylene oxide | Tetra-methylene oxide 
Application of the substance / the preparation: Solvents


arrow Specification GENERAL

MSDS according 91/155 EEC (2001/58 EC)


More information

Information pertaining to particular dangers for man and environment:
R 11 Highly flammable.
R 19 May form explosive peroxides.
R 36/37 Irritating to eyes and respiratory system.

Classification system for Tetrahydrofurane (THF):
The classification was made according to the latest editions of the EU-lists, and expanded using company data and specialized literature.
Chemical characterization for Tetrahydrofurane (THF), Tetramethylenoxide, 1,4-Epoxybutan, Oxacyclopentan, Oxolan:
CAS No. Description: 109-99-9 tetrahydrofuran

Identification number(s):
EINECS Number: 203-726-8
EU Number:
General Information
for Tetrahydrofurane (THF) Tetramethylenoxide, 1,4-Epoxybutan, Oxacyclopentan, Oxolan
Form: Fluid
Colour: Colourless
Odour: Ether-like

Change in condition
Melting point/Melting range: -108.5°C
Boiling point/Boiling range:
Flash point:
-21 - ca.°C
Ignition temperature: 230°C
Danger of explosion: May form explosive peroxides.

Explosion limits:
Lower: 1.5 Vol %
Upper: 12 Vol %
Vapour pressure at 20°C: 200 hPa
Density at 20°C:
0.8892 g/cm³

Solubility in / Miscibility with


Fully miscible
Land transport ADR/RID (cross-border) for Tetrahydrofurane (THF):
ADR/RID class: 3 (F1) Flammable liquids.
Danger code (Kemler): 33
UN-Number: 2056
Packaging group: II
Label: 3
Description of goods: 2056 TETRAHYDROFURAN
Remarks: ADR chapter 1.10 (security) has to be observed!
Limited quantitiy: 3 l inner packaging, 30 kg gross packaging unit
Maritime transport IMDG:
IMDG Class: 3
UN Number: 2056
Label: 3
Packaging group:: II
EMS-Number: F-E,S-D
Marine pollutant: No
Proper shipping name: TETRAHYDROFURAN
Lufttransport ICAO-TI und IATA-DGR:
ICAO/IATA Class: 3
UN Number: 2056
Label: 3
Packaging group:: II
Proper shipping name: TETRAHYDROFURAN
Remarks: Packing Instructions:
For Limited Quantities: Y305 (Max Net Qty/Pkg: 1 l)
Passenger and Cargo Aircraft: 305 (Max Net Qty/Pkg: 5 l)
Cargo Aircraft only: 307 (Max Net Qty/Pkg: 60 l)
Markings according to EC guidelines for Tetrahydrofurane (THF):
The product has been classified and marked in accordance with EU Directives / Ordinance on Hazardous Materials

Risk phrases:
11 Highly flammable.
19 May form explosive peroxides.
36/37 Irritating to eyes and respiratory system.

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

National regulations:

Information about limitation of use:
Restrictions on juvenile employment must be observed.

Technical guidance (air):
Class       Share in %
NK            100.0

Water hazard class: Water hazard class 1 (Assessment by list): slightly hazardous for water.

Hazard description

Hazadous material sign

Hazadous material sign

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