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EC / List no.: 203-624-3
CAS no.: 108-87-2
Mol. formula: C7H14
MCH (Methyl Cyclohexane) (cyclohexylmethane) is an organic compound with the molecular formula is CH3C6H11.
Classified as saturated hydrocarbon, it is a colourless liquid with a faint odor.
MCH (Methyl Cyclohexane) is used as a solvent.
MCH (Methyl Cyclohexane) is mainly converted in naphtha reformers to toluene.
MCH (Methyl Cyclohexane) is also used in some correction fluids (such as White-Out) as a solvent.
Production and use
MCH (Methyl Cyclohexane) can be also produced by hydrogenation of toluene:
CH3C6H5 + 3 H2 → CH3C6H11
MCH (Methyl Cyclohexane), as a component of a mixture, is usually dehydrogenated to toluene, which increases the octane rating of gasoline.
MCH (Methyl Cyclohexane) is also one of a host substances in jet fuel surrogate blends, e.g., for Jet A fuel.
Solvent
MCH (Methyl Cyclohexane) is used as an organic solvent, with properties similar to related saturated hydrocarbons such as heptane.
MCH (Methyl Cyclohexane) is also a solvent in many types of correction fluids.
Structure
MCH (Methyl Cyclohexane) is a monosubstituted cyclohexane because it has one branching via the attachment of one methyl group on one carbon of the cyclohexane ring.
Like all cyclohexanes, it can interconvert rapidly between two chair conformers.
The lowest energy form of this monosubstituted MCH (Methyl Cyclohexane) occurs when the methyl group occupies an equatorial rather than an axial position.
This equilibrium is embodied in the concept of A value.
In the axial position, the methyl group experiences steric crowding (steric strain) because of the presence of axial hydrogen atoms on the same side of the ring (known as the 1,3-diaxial interactions).
There are two such interactions, with each pairwise methyl/hydrogen combination contributing approximately 7.61 kJ/mol of strain energy.
The equatorial conformation experiences no such interaction, and so it is the energetically favored conformation.
MCH (Methyl Cyclohexane) appears as a clear colorless liquid with a petroleum-like odor.
Flash point 25°F.
Less dense than water and insoluble in water.
Vapors heavier than air.
MCH (Methyl Cyclohexane) is a cycloalkane that is cyclohexane substituted by a single methyl group.
MCH (Methyl Cyclohexane) has a role as an aprotic solvent, a plant metabolite and a human metabolite.
MCH (Methyl Cyclohexane) is a cycloalkane and a volatile organic compound.
MCH (Methyl Cyclohexane) derives from a hydride of a cyclohexane.
MCH (Methyl Cyclohexane) is a natural product found in Acca sellowiana, Carica papaya, and other organisms with data available.
Used commercially as a solvent for cellulose derivatives particularly with othersolvents, and as an organic intermediate in organic synthesis.
MCH (Methyl Cyclohexane) is one of the components found in jet fuel.
Industry Uses
• Adhesives and sealant chemicals
• Agricultural chemicals (non-pesticidal)
• Fuels and fuel additives
• Intermediates
• Processing aids, not otherwise listed
• Solvents (for cleaning and degreasing)
• Solvents (which become part of product formulation or mixture)
Consumer Uses
Adhesives and sealants
• Agricultural products (non-pesticidal)
• Fuels and related products
• Solvent in liquid paper.
Uses at Household & Commercial/Institutional Products
• Auto Products
• Hobby/Craft
• Home Maintenance
• Inside the Home
General Manufacturing Information
Industry Processing Sectors
• Adhesive manufacturing
• Agriculture, forestry, fishing and hunting
• All other basic organic chemical manufacturing
• All other chemical product and preparation manufacturing
• Petrochemical manufacturing
• Petroleum refineries
• Pharmaceutical and medicine manufacturing
• Plastic material and resin manufacturing
MCH (Methyl Cyclohexane), an alkene, is a colorless liquid with a faint benzene-like odor.
The odor threshold is 630 ppm (this is above the OEL).
Clear colorless, very flammable liquid with a faint odor similar to benzene or cyclohexane.
An odor threshold concentration of 150 ppbv was reported by Nagata and Takeuchi (1990).
Uses:
Solvent; starting material in the synthesis of toluene.
MCH (Methyl Cyclohexane) is an environmentally friendly coating, mainly used as solvent for ink, rubber, paint, varnish, oil and grease extraction solvent, chromatographic analysis standard substance, also can be used in organic synthesis and analytical reagents.
MCH (Methyl Cyclohexane) is used as a solvent and reagent in organic synthesis and polymer chemistry.
MCH (Methyl Cyclohexane) is a component of jet fuel and also used as correction fluid in certain consumer products.
MCH (Methyl Cyclohexane) acts as a starting material for toluene synthesis
Production Methods
MCH (Methyl Cyclohexane) is separated by distillation from crude petroleum oils, and also produced by hydrogenation of toluene, reaction of benzene with methane, or acidic hydrocracking of polycyclic aromatics.
MCH (Methyl Cyclohexane) may be used as a solvent for the synthesis of unsolvated n-butylmagnesium chloride by the reaction of 1-chlorobutane with magnesium powder.
MCH (Methyl Cyclohexane) may also be used as the starting material to synthesize 1-MCH (Methyl Cyclohexane)carboxylic acid.
Chemical Properties
Formula: C7H14
Formula Weight: 98.19
Melting point: -126°
Boiling Point: 101°
Flash Point: -4°(-25°F)
Density: 0.771
Refractive Index: 1.4230
Storage & Sensitivity: Ambient temperatures.
Solubility: Immiscible with water.
Uses:
MCH (Methyl Cyclohexane) is used as a solvent and reagent in organic synthesis and polymer chemistry.
MCH (Methyl Cyclohexane) is a component of jet fuel and also used as correction fluid in certain consumer products.
MCH (Methyl Cyclohexane) acts as a starting material for toluene synthesis
MCH (Methyl Cyclohexane) is an organic compound classified as saturated hydrocarbon, it is a colourless liquid with a faint odor.
MCH (Methyl Cyclohexane) is used as a solvent.
MCH (Methyl Cyclohexane) is mainly converted in naphtha reformers to toluene.
MCH (Methyl Cyclohexane) is an organic compound with the molecular formula is CH3C6H11.
MCH (Methyl Cyclohexane) is a hydrocarbon, it is a colourless liquid with a faint odor.
About MCH (Methyl Cyclohexane)
Helpful information
MCH (Methyl Cyclohexane) is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 1 000 to < 10 000 tonnes per annum.
MCH (Methyl Cyclohexane) is used by consumers, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
Consumer Uses
MCH (Methyl Cyclohexane) is used in the following products: coating products, anti-freeze products, biocides (e.g. disinfectants, pest control products), lubricants and greases, air care products, washing & cleaning products and welding & soldering products.
Other release to the environment of MCH (Methyl Cyclohexane) is likely to occur from: indoor use as processing aid and outdoor use as processing aid.
Article service life
ECHA has no public registered data on the routes by which MCH (Methyl Cyclohexane) is most likely to be released to the environment. ECHA has no public registered data indicating whether or into which articles the substance might have been processed.
Widespread uses by professional workers
MCH (Methyl Cyclohexane) is used in the following products: lubricants and greases, anti-freeze products, biocides (e.g. disinfectants, pest control products), coating products, air care products, washing & cleaning products and welding & soldering products.
ECHA has no public registered data on the types of manufacture using MCH (Methyl Cyclohexane) . Other release to the environment of MCH (Methyl Cyclohexane) is likely to occur from: indoor use as processing aid and outdoor use as processing aid.
Formulation or re-packing
MCH (Methyl Cyclohexane) is used in the following products: adhesives and sealants, air care products, anti-freeze products, biocides (e.g. disinfectants, pest control products), coating products, fertilisers, non-metal-surface treatment products, inks and toners, leather treatment products, lubricants and greases, plant protection products, polishes and waxes, textile treatment products and dyes, washing & cleaning products and welding & soldering products.
Release to the environment of MCH (Methyl Cyclohexane) can occur from industrial use: formulation of mixtures and formulation in materials.
Uses at industrial sites
MCH (Methyl Cyclohexane) is used in the following products: lubricants and greases, coating products, anti-freeze products, biocides (e.g. disinfectants, pest control products), air care products, washing & cleaning products, welding & soldering products and adhesives and sealants.
MCH (Methyl Cyclohexane) is used in the following areas: formulation of mixtures and/or re-packaging.
MCH (Methyl Cyclohexane) is used for the manufacture of: chemicals.
Release to the environment of MCH (Methyl Cyclohexane) can occur from industrial use: in processing aids at industrial sites, as an intermediate step in further manufacturing of another substance (use of intermediates) and of substances in closed systems with minimal release.
Manufacture
Release to the environment of MCH (Methyl Cyclohexane) can occur from industrial use: manufacturing of the substance.
IUPAC NAMES:
Cyclohexane, methyl-
Methycyclohexane
methyl cyclohexane
methylcyclohexan
MCH (Methyl Cyclohexane)
Methylcyclohexane
methylcyclohexane
Methylcyclohexane
methylcyclohexane
Methylcyclohexane - ES new
SYNONYMS:
METHYLCYCLOHEXANE
108-87-2
Cyclohexane, methyl-
Hexahydrotoluene
Cyclohexylmethane
Toluene hexahydride
Hexahydroxytoluene
Sextone B
Toluene, hexahydro-
methyl cyclohexane
Metylocykloheksan
methyl-cyclohexane
Metylocykloheksan [Polish]
UNII-H5WXT3SV31
NSC 9391
HSDB 98
EINECS 203-624-3
UN2296
H5WXT3SV31
Methylcyclohexan
methycyclohexane
AI3-18132
2-methylcyclohexane
MFCD00001497
Methylcyclohexane, 99%
EC 203-624-3
DSSTox_CID_27733
DSSTox_GSID_47749
WLN: L6TJ A1
DTXSID0047749
NSC9391
CHEBI:165745
NSC-9391
ZINC1699964
Tox21_303867
7779AF
LMFA11000660
Methylcyclohexane, analytical standard
Methylcyclohexane, anhydrous, >=99%
AKOS015842776
MCULE-3843525768
UN 2296
Methylcyclohexane, ReagentPlus(R), 99%
NCGC00357267-01
CAS-108-87-2
FT-0628720
M0190
M0244
M0627
Methylcyclohexane [UN2296] [Flammable liquid]
Methylcyclohexane 100 microg/mL in Acetonitrile
Methylcyclohexane, spectrophotometric grade, 99%
A801936
Q419330
J-522692
Methylcyclohexane, purum, absolute, over molecular sieve (H2O <=0.005%), >=98.0% (GC)
