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1,2,3,5-TETRAMETHYLBENZENE

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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
Mol File:
527-53-7.mol
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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.)
Flash point:
63°C
Water Solubility 
Insoluble in water
form 
clear liquid
color 
Colorless to Light yellow to Light orange
Merck 
14,5166
LogP
4.100
CAS DataBase Reference
527-53-7(CAS DataBase Reference)
EPA Substance Registry System
1,2,3,5-Tetramethylbenzene (527-53-7)
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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
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1,2,3,5-TETRAMETHYLBENZENE Usage And Synthesis

Chemical Properties

clear colourless to pale yellow liquid

Uses

Organic 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 Description

A 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 Reactions

Insoluble in water.

Reactivity Profile

Vigorous 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.

Hazard

Liquid. Soluble in alcohol and ether; insoluble in water. Combustible.

Health Hazard

CALL 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 Hazard

Combustible.

Purification Methods

Reflux 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.]

1,2,3,5-TETRAMETHYLBENZENE Preparation Products And Raw materials

Preparation Products

1,2,3,5-TETRAMETHYLBENZENESupplier

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