Merck 109731 2500 Tetrahydrofuran For Analysıs Emsure 2,5 LT.

Merck 109731 2500 Tetrahydrofuran For Analysıs Emsure 2,5 LT.

98,23 ( KDV Dahil )

for analysis EMSURE® ACS,Reag. Ph Eur CAS #: 109-99-9 EC Number: 203-726-8.

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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 Structure formula Image
Quality Level MQ300

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 Pictogram(s)
Hazard Pictogram(s)
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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