Merck 109731 Tetrahydrofuran for analysis EMSURE® ACS,Reag. Ph Eur 25 L

Category

Mikroskopi İçin Yan ve Diğer Ürünler , Solventler

Brand

MERCK

Stock Code

LB.M.1097316025

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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 Tetrahydrofuran for analysis EMSURE^® ACS,Reag. Ph Eur
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.

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

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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