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1-METHYL-1-CYCLOHEXENE

1-METHYL-1-CYCLOHEXENE Structure
CAS No.
591-49-1
Chemical Name:
1-METHYL-1-CYCLOHEXENE
Synonyms
1-METHYLCYCLOHEXENE;1-METHYLCYCLOHEX-1-ENE;1-methyl-cyclohexen;1-Methylcyclohexene-1;1-methyl-1-cyclohexane;2-METHYLCYCLOHEXENE;cyclohexene,1-methyl-;1-METHYL-1-CYCLOHEXENE;alpha-Methylcyclohexene;2,3,4,5-TETRAHYDROTOLUENE
CBNumber:
CB3470604
Molecular Formula:
C7H12
Molecular Weight:
96.17
MOL File:
591-49-1.mol
MSDS File:
SDS
Modify Date:
2023/12/26 11:30:52

1-METHYL-1-CYCLOHEXENE Properties

Melting point -119.4°C
Boiling point 110-111 °C (lit.)
Density 0.811 g/mL at 20 °C (lit.)
vapor pressure 27.4 at 20.2 °C, 36.4 at 25.0 °C (transpiration method, Verevkin et al., 2000)
refractive index n20/D 1.45(lit.)
Flash point 25 °F
storage temp. Sealed in dry,Room Temperature
solubility Soluble in benzene and ether (Weast, 1986) and miscible with many hydrocarbons similar in chemical structure, e.g., cyclohexane, cyclohexene, etc.
form Liquid
color Clear colorless
Odor at 1.00 % in dipropylene glycol. lime citrus
Odor Type citrus
Water Solubility 52 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966)
BRN 1304483
Henry's Law Constant 8.86 x 10-2 atm?m3/mol at 25 °C (approximate - calculated from water solubility and vapor pressure)
Stability Stable, but may be prone to polymerization. May be stabilized by the addition of around 10 ppm hydroquinone. Highly flammable. Incompatible with strong oxidizing agents.
InChIKey CTMHWPIWNRWQEG-UHFFFAOYSA-N
LogP 3.333 (est)
CAS DataBase Reference 591-49-1(CAS DataBase Reference)
EPA Substance Registry System Cyclohexene, 1-methyl- (591-49-1)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS02,GHS07,GHS08
Signal word  Danger
Hazard statements  H225-H304-H315
Precautionary statements  P210-P233-P240-P301+P310-P303+P361+P353-P331
Hazard Codes  F,Xn,Xi
Risk Statements  11-36/37/38-65
Safety Statements  16-26-36-62
RIDADR  UN 3295 3/PG 2
WGK Germany  2
Hazard Note  Irritant
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29021900
NFPA 704
3
1 0

1-METHYL-1-CYCLOHEXENE price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 129801 1-Methyl-1-cyclohexene 97% 591-49-1 5G ₹1818.68 2022-06-14 Buy
Sigma-Aldrich(India) 129801 1-Methyl-1-cyclohexene 97% 591-49-1 25G ₹5949.23 2022-06-14 Buy
Sigma-Aldrich(India) 129801 1-Methyl-1-cyclohexene 97% 591-49-1 100G ₹19347.83 2022-06-14 Buy
TCI Chemicals (India) M0200 1-Methyl-1-cyclohexene min. 98.0 % 591-49-1 25ML ₹6100 2022-05-26 Buy
ALFA India ALF-L15014-14 1-Methyl-1-cyclohexene, 96% 591-49-1 25g ₹6100 2022-05-26 Buy
Product number Packaging Price Buy
129801 5G ₹1818.68 Buy
129801 25G ₹5949.23 Buy
129801 100G ₹19347.83 Buy
M0200 25ML ₹6100 Buy
ALF-L15014-14 25g ₹6100 Buy

1-METHYL-1-CYCLOHEXENE Chemical Properties,Uses,Production

Chemical Properties

colourless liquid

Physical properties

Clear, colorless, very flammable, watery liquid with a characteristically unpleasant, aromatic hydrocarbon-type odor.

Uses

1-Methyl-1-cyclohexene (2,3,4,5-Tetrahydrotoluene) was used to study the secondary organic aerosol (SOA) yields from the ozonolysis of cycloalkenes.

General Description

1-Methyl-1-cyclohexene (2,3,4,5-Tetrahydrotoluene) is a sterically hindered, unactivated alkene.

Environmental Fate

Photolytic. Atkinson (1985) reported a rate constant of 9.45 x 10-11 cm3/molecule?sec for the reaction of 1-methylcyclohexene with OH radicals in the atmosphere.

Purification Methods

Free it from hydroperoxides by passing through a column containing basic alumina or refluxing with cupric stearate, filter and fractionally distil it from sodium. [Vogel J Chem Soc 1332 1938, Cope et al. J Am Chem Soc 79 4729 1957, Beilstein 5 III 197, 5 VI 245.]

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