Merck 108101 Tetrahydrofuran for liquid chromatography LiChrosolv^®
Catalogue Number	108101
Synonyms	THF, Tetramethylene oxide, Oxolane, Butylene oxide
Overview	With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv® solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.

Merck 108101 Tetrahydrofuran for liquid chromatography LiChrosolv®

Product Information
CAS number	109-99-9
EC index number	603-025-00-0
EC number	203-726-8
Hill Formula	C₄H₈O
Molar Mass	72.11 g/mol
HS Code	2932 11 00
Structure formula Image
Quality Level	MQ100

Applications
Application	Tetrahydrofuran for liquid chromatography LiChrosolv®. CAS 109-99-9, pH 7 - 8 (200 g/l, H₂O, 20 °C).

Physicochemical Information
Boiling point	65 - 66 °C
Density	0.89 g/cm3 (20 °C)
Explosion limit	1.5 - 12.4 %(V)
Flash point	-21.2 °C
Ignition temperature	215 °C
Melting Point	-108.44 °C
pH value	7 - 8 (H₂O)
Vapor pressure	170 hPa (20 °C)

Safety Information according to GHS
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. H336: May cause drowsiness or dizziness. H351: Suspected of causing cancer. EUH019: May form explosive peroxides.
Precautionary Statement(s)	P202: Do not handle until all safety precautions have been read and understood. P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233: Keep container tightly closed. P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. 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 hazardous to water
Disposal	1 Strongly contaminated halogen-free organic solvents: container A.

Safety Information
Categories of danger	highly flammable, irritant, carcinogenic

Storage and Shipping Information
Storage	Store at +15°C to +25°C.

Transport Information
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

Specifications
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
Peroxides	≤ 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

Global Trade Item Number
Catalogue Number	GTIN
1081011000	04022536100203
1081012500	04022536100227
1081014000	04022536658353
1081019010	04022536100241
1081019030	04022536100258

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