Methylcyclohexane [for Spectrophotometry] TCI M0244

Chemical Identity

CAS No.: 108-87-2
PubChem: CID 7962·SID 87572329
Formula: C7H14
Molecular weight: 98.19 g/mol
Purity: >99.0%(GC)
Reference databases: ChEBI·ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: methylcyclohexane
SMILES: CC1CCCCC1
InChIKey: UAEPNZWRGJTJPN-UHFFFAOYSA-N

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TCI M0244 Methylcyclohexane [for Spectrophotometry] is a cyclic hydrocarbon solvent prepared specifically for spectrophotometric measurement work. Unlike ordinary technical or synthesis grades, spectrophotometry grade demands an extremely low content of light-absorbing impurities, so that the solvent itself does not contribute background absorbance that interferes with sample readings. The material presents as a clear, colourless liquid that is volatile and flammable. In the laboratory it serves as the solvent of choice for ultraviolet and visible absorption analysis of nonpolar samples, as well as for spectroscopic work that requires the widest possible window of optical transparency.

The properties that lead analysts to select this solvent are its nonpolarity, its chemical stability, and its optical transparency across a broad wavelength range. As a cycloalkane carrying no chromophoric group, the compound has no significant electronic absorption in the near-ultraviolet or visible region, so samples can be observed without complicated background correction. The methyl-substituted cyclohexane ring also hinders the formation of ordered crystals on cooling, a characteristic traditionally exploited in low-temperature spectroscopy. Together these traits make the solvent a dependable and reproducible optical medium rather than merely a dissolving agent.

In Indonesian laboratories, this grade is typically kept by analytical service units, quality control departments, university teaching and research laboratories, and industrial testing facilities that operate UV-Vis spectrophotometers. It is normally reserved for measurement work rather than routine washing or extraction, since its value lies in its spectroscopic cleanliness. Laboratories usually order it in the pack sizes offered by TCI and draw from a dedicated bottle to protect the solvent from contamination that would compromise baseline quality.

Related TCI products

Ultraviolet absorption spectrophotometry of nonpolar analytes, where the absence of chromophoric groups keeps the solvent optically silent and leaves the sample spectrum uncorrupted by background absorbance.
Visible-range spectrophotometric measurement, in which the colourless character and low level of light-absorbing impurities allow accurate readings of sample absorbance without complicated baseline correction.
General spectroscopic work requiring a wide optical transparency window, since the cycloalkane structure provides no meaningful electronic absorption across the near-ultraviolet and visible regions.
Low-temperature spectroscopy, where the methyl-substituted cyclohexane ring resists forming ordered crystals on cooling and helps the medium remain suitable for optical observation.
Preparation of nonpolar sample solutions and dilution series for instrument measurement, benefiting from the solvent's nonpolarity and chemical stability during handling and analysis.

Brand	TCI
CAS number	108-87-2
Molecular formula	—
Purity	—
Category	Chemistry > Solvents > Hydrocarbon Solvents
Pack sizes	available in the pack sizes offered by TCI for this catalogue item
Physical form	clear, colourless liquid; volatile and flammable
Storage	keep tightly closed in the original container, away from heat and ignition sources

Grade: for Spectrophotometry

Store the solvent in a cool, well-ventilated place reserved for flammable liquids, away from heat, open flames, sparks, and other ignition sources. Keep it in its original tightly closed container so that volatile loss and contamination by light-absorbing impurities are avoided, since even minor contamination degrades the optical baseline this grade is intended to provide. Dispense and handle it inside a fume hood, use appropriate gloves, eye protection, and a laboratory coat, and avoid breathing the vapour. Ground containers when transferring larger volumes, keep bottles closed when not in use, and dispose of residues and rinses as flammable organic solvent waste according to laboratory procedure.

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