Merck 109731 Tetrahydrofuran for analysis EMSURE® ACS,Reag. Ph Eur 2.5 L

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Mikroskopi İçin Yan ve Diğer Ürünler , Solventler

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MERCK

Stok Kodu

LB.M.109731.2500

Kısa Bilgi

Synonyms: THF, Tetramethylene oxide, Oxolane, Butylene oxide CAS Number: 109-99-9 EC Number: 203-726-8 Molar Mass: 72.11 g/mol Chemical Formula: C₄H₈O Hill Formula: C₄H₈O Grade: ACS,Reag. Ph Eur

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CAS Number: 109-99-9

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Merck 109731 Tetrahidrofuran

MERCK 109731 Tetrahydrofuran for analysis EMSURE® ACS,Reag. Ph Eur. CAS 109-99-9, EC Number 203-726-8, chemical formula C₄H₈O. 2.5 L

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.

Product Information
CAS number	109-99-9
EC index number	603-025-00-0
EC number	203-726-8
Grade	ACS,Reag. Ph Eur
Hill Formula	C₄H₈O
Chemical formula	C₄H₈O
Molar Mass	72.11 g/mol
HS Code	2932 11 00
Structure formula Image

Applications
Application	Tetrahydrofuran for analysis EMSURE® ACS,Reag. Ph Eur. CAS 109-99-9, EC Number 203-726-8, chemical formula C₄H₈O.

Physicochemical Information
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)

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. 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.

Safety Information
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 and Shipping Information
Storage	Store at +5 °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
Colour	≤ 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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