1,2,3,5-TETRAMETHYLBENZENE

1,2,3,5-TETRAMETHYLBENZENE Basic information
Product Name:1,2,3,5-TETRAMETHYLBENZENE
Synonyms:1,2,3,5-tetramethyl-benzen;1,2,3,5-tetramethylbenzene,mixturewithdurene;1,3,4,5-tetramethylbenzene;Tetramethylbenzene;1,2,3,5-Tetramethtylbenzene;1,2,3,5-TETRAMETHYLBENZENE, TECH., 85+%;Benzene, 1,2,3,5-tetramethyl-;IZODURENE
CAS:527-53-7
MF:C10H14
MW:134.22
EINECS:208-417-1
Product Categories:
Mol File:527-53-7.mol
1,2,3,5-TETRAMETHYLBENZENE Structure
1,2,3,5-TETRAMETHYLBENZENE Chemical Properties
Melting point -24°
Boiling point 198°C
density 0,89 g/cm3
refractive index n20/D 1.512(lit.)
Fp 63°C
Water Solubility Insoluble in water
form clear liquid
color Colorless to Light yellow to Light orange
Merck 14,5166
LogP4.100
CAS DataBase Reference527-53-7(CAS DataBase Reference)
EPA Substance Registry System1,2,3,5-Tetramethylbenzene (527-53-7)
Safety Information
Hazard Codes Xi
Risk Statements 20/21/22-36/37/38-36
Safety Statements 26-36/37/39-24/25-23-45
RIDADR 3082
RTECS DC0475000
HS Code 2902.90.3050
MSDS Information
1,2,3,5-TETRAMETHYLBENZENE Usage And Synthesis
Chemical Propertiesclear colourless to pale yellow liquid
UsesOrganic synthesis.
Synthesis Reference(s)Journal of the American Chemical Society, 79, p. 6277, 1957 DOI: 10.1021/ja01580a044
Organic Syntheses, Coll. Vol. 2, p. 360, 1943
General DescriptionA pale yellow to white liquid with a camphor-like odor. Flash point 165°F. Less dense than water and only negligibly soluble in water. Slightly irritates the skin and eyes. Slightly toxic by ingestion but may irritate the mouth, throat and gastrointestinal tract.
Air & Water ReactionsInsoluble in water.
Reactivity ProfileVigorous reactions, sometimes amounting to explosions, can result from the contact between aromatic hydrocarbons, such as 1,2,3,5-TETRAMETHYLBENZENE, and strong oxidizing agents. They can react exothermically with bases and with diazo compounds. Substitution at the benzene nucleus occurs by halogenation (acid catalyst), nitration, sulfonation, and the Friedel-Crafts reaction.
HazardLiquid. Soluble in alcohol and ether; insoluble in water. Combustible.
Health HazardCALL FOR MEDICAL AID. LIQUID: Irritating to skin, eyes, and respiratory tract. Remove contaminated clothing and shoes. Flush affected areas with plenty of water. IF IN EYES, hold eyelids open and flush with plenty of water. VAPORS: Irritating to skin, eyes and respiratory tract. Move to fresh air. If breathing has stopped, give artificial respiration. If breathing is difficult, give oxygen. IF IN EYES, hold eyelids open and flush with plenty of water. Harmful if inhaled or swallowed. Vapor or mist is irritating to the eyes, mucous membranes, and upper respiratory tract. Prolonged contact can cause dermititis, and prolonged exposure can cause nausea, dizziness and headache.
Fire HazardCombustible.
Purification MethodsReflux isodurene over sodium and distil it under reduced pressure. [Smith Org Synth Coll Vol II 248 1943, Beilstein 5 H 430, 5 II 329, 5 III 976, 5 IV 1073.]
Dodecahydrotriphenylene DECACYCLENE 3,6-DIAMINO-1,2,4,5-TETRAMETHYLBENZENE,3,6-DIAMINO-1,2,4,5-TETRAMETHYLBENZENE 3-(Chloromethyl)-1,2,4,6-tetramethylbenzene,3-(Chloromethyl)-1,2,4,6-tetramethylbenzene 3-[3-Iodo-2-(iodomethyl)-2-methylpropyl]-1,2,4,5-tetramethylbenzene,3-[3-Iodo-2-(iodomethyl)-2-methylpropyl]-1,2,4,5-tetramethylbenzene 1,2,4,5-TETRAMETHYLBENZENE-3,6-D2,1,2,4,5-TETRAMETHYLBENZENE-3,6-D2 5,7-Dimethyl-1-tetralone 2',4',6'-TRIMETHYLACETOPHENONE 2,2',4,4',6,6'-Hexamethylbenzophenone CHLOROACETYL-1,2,3,4-TETRAMETHYLBENZENE,CHLOROACETYL-1,2,3,4-TETRAMETHYLBENZENE 1,4-Diethyl-2,3,5,6-tetramethylbenzene,1,4-Diethyl-2,3,5,6-tetramethylbenzene 1-IODO-2,3,4,5-TETRAMETHYLBENZENE,1-IODO-2,3,4,5-TETRAMETHYLBENZENE Thymolphthalein Complexone 1,4-Bis(2,5-dimethyl-1H-pyrrol-1-yl)-2,3,5,6-tetramethylbenzene,1,4-Bis(2,5-dimethyl-1H-pyrrol-1-yl)-2,3,5,6-tetramethylbenzene 2-Methoxymethyl-1,3,4,5-tetramethylbenzene,2-Methoxymethyl-1,3,4,5-tetramethylbenzene 2-Iodo-1,3,4,5-tetramethylbenzene,2-Iodo-1,3,4,5-tetramethylbenzene 1,3-Diethyl-2,4,5,6-tetramethylbenzene,1,3-Diethyl-2,4,5,6-tetramethylbenzene METHYLTHYMOL BLUE PENTASODIUM SALT

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