MERCK 109731.2500 Tetrahydrofuran For Analysis Emsure CAS No.109-99-9 (SD.M.109731.2500)

Marka : MERCK

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MERCK 109731.2500 Tetrahydrofuran For Analysis Emsure CAS No.109-99-9

Description
Catalogue Number	109731
Synonyms	THF, Tetramethylene oxide, Oxolane, Butylene oxide
Description	Tetrahydrofuran
Overview	EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

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
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, carcinogenic, irritant

Storage and Shipping Information
Storage	Store at +2°C to +30°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)	≥ 99.8 %
Identity (IR)	conforms
Appearance	clear
Color	≤ 10 Hazen
Density (d 20 °C/20 °C)	0.885 - 0.895
Acidity	≤ 0.0003 meq/g
Alkalinity	≤ 0.0002 meq/g
Peroxides	conforms
Peroxide (as H₂O₂)	≤ 0.005 %
Al (Aluminium)	≤ 0.00005 %
B (Boron)	≤ 0.000002 %
Ba (Barium)	≤ 0.00001 %
Ca (Calcium)	≤ 0.00005 %
Cd (Cadmium)	≤ 0.000005 %
Co (Cobalt)	≤ 0.000002 %
Cr (Chromium)	≤ 0.000002 %
Cu (Copper)	≤ 0.000002 %
Fe (Iron)	≤ 0.00001 %
Mg (Magnesium)	≤ 0.000002 %
Mn (Manganese)	≤ 0.000002 %
Ni (Nickel)	≤ 0.000002 %
Pb (Lead)	≤ 0.00001 %
Sn (Tin)	≤ 0.00001 %
Zn (Zinc)	≤ 0.00001 %
Evaporation residue	≤ 0.0005 %
Water	≤ 0.03 %
Stabilized with 2,6-Di-tert-butyl-4-methylphenol (BHT).

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