n-Heptane
n-Heptane (C₇H₁₆) is a straight-chain aliphatic hydrocarbon with a boiling point of 98 °C, low polarity, and high volatility. It serves as a standard reference fuel for octane rating determination and as a nonpolar solvent in analytical chemistry and industrial cleaning. n-Heptane is also employed in the formulation of adhesives, coatings, and polymer processing. Due to its rapid evaporation rate and flammability, it should be handled in well-ventilated areas and stored in tightly closed containers away from ignition sources.
n-Heptane ≥99%, Laboratory Reagent, VWR Chemicals BDH®
Supplier: VWR International
Clear liquid.
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n-Heptane ≥99%, HiPerSolv CHROMANORM® for HPLC, VWR Chemicals BDH®
Supplier: VWR International
n-Heptane ≥99%, HiPerSolv CHROMANORM for HPLC, VWR Chemicals BDH®
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n-Heptane ≥99% (by GC, corrected for water content), BAKER ANANYZED™, J.T.Baker®
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
Lot analysis on label.
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n-Heptane ≥99% (by GC, corrected for water content) for HPLC, UHPLC, for spectrophotometry, J.T.Baker®
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
For liquid chromatography and spectrophotometry. UV cutoff 197nm. Packaged under nitrogen. Lot analysis on label.
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n-Heptane ≥99%, BAKER ULTRA RESI-ANALYZED® for organic residue analysis, J.T.Baker®
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
For organic residue analysis.
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n-Heptane ≥99% (by GC), AR®, Macron Fine Chemicals™
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
n-Heptane ≥99% (by GC), AR®, Macron Fine Chemicals™
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n-Heptane ≥99.0% (by GC, corrected for water content), AR® for liquid chromatography, for organic residue analysis, for UV spectrophotometry, Macron Fine Chemicals™
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
Suitable for liquid chromatography, extract/conc, UV-spectrophotometry, organic residue analysis.
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n-Heptane ≥99% (n-heptane) [≥99.9% (saturated C7 hydrocarbons)], OmniSolv®, Supelco®
Supplier: MilliporeSigma
Meets Reagent Specifications for testing USP/NF monographs
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n-Heptane ≥99% (n-heptane) [≥99.9% (saturated C7 hydrocarbons)], Supelco®
Supplier: MilliporeSigma
n-Heptane ≥99% (n-heptane) [≥99.9% (saturated C7 hydrocarbons)], Supelco®
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n-Heptane ≥99.0%, OmniSolv® for biosynthesis, Supelco®
Supplier: MilliporeSigma
Biosynthesis
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n-Heptane ≥99.0% (by GC), OmniSolv®, Extra Low UV Cut-off, Supelco®
Supplier: MilliporeSigma
For critical measurements in spectrophotometry and liquid chromatography. Low UV cutoff 193nm. Certificate of Analysis on label.
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n-Heptane, Uvasol® for spectroscopy, Supelco®
Supplier: MilliporeSigma
Accurate analytic results in UV/VIS and infrared spectroscopy depend on the use of very pure solvents for sample preparation. The Uvasol® solvents range has been specially designed for spectroscopy and other applications requiring solvents of the highest spectral purity. The refinement process allows a greater degree of security in applications and avoids misinterpretation of analytical results caused by traces of UV, IR and fluorescence contamination. Uvasol® solvents offer best UV transmittance. In all specifications the minimum transmittance for 5 typical wavelengths are identified. Furthermore the transmittance is specified in accordance with Reag. Ph Eur and ACS.
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n-Heptane ≥99% (by GC), EMSURE® Reag. Ph. Eur. for analysis, Supelco®
Supplier: MilliporeSigma
n-Heptane ≥99% (by GC), EMSURE® Reag. Ph. Eur. for analysis, Supelco®
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n-Heptane ≥99.0%
Supplier: TCI America
[for Spectrophotometry]
CAS Number: 142-82-5
MDL Number: MFCD00009544
Molecular Formula: C7H16
Molecular Weight: 100.21
Purity/Analysis Method: >99.0% (GC)
Form: Clear Liquid
Boiling point (°C): 98
Melting point (°C): -91
Flash Point (°C): -2
Specific Gravity (20/20): 0.68
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n-Heptane ≥99.0%
Supplier: TCI America
[for HPLC Solvent]
CAS Number: 142-82-5
MDL Number: MFCD00009544
Molecular Formula: C7H16
Molecular Weight: 100.21
Purity/Analysis Method: >99.0% (GC)
Form: Clear Liquid
Boiling point (°C): 98
Melting point (°C): -91
Flash Point (°C): -2
Specific Gravity (20/20): 0.68
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n-Heptane ≥99.0% ACS for organic synthesis, for preparative liquid chromatography, general laboratory use
Supplier: Burdick & Jackson
ACS GENERAL USE SOLVENTS
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Sinon, vous recevrez des recommandations génériques.
Catalogue #: CA21905-026
Supplier: Kimberly-Clark