1,4-Di-tert-butylbenzene

MF: C₁₄H₂₂
MW: 190.32
EINECS: 213-790-9
Flash Point: 96.9 °C
Density: 0.985 g/cm3
Melting Point: 76-78 °C(lit.)
Index of Refraction: 1.477
Appearance: white crystalline
Enthalpy of Vaporization: 45.36 kJ/mol 
Boiling Point: 236 °C at 760 mmHg 
Vapour Pressure: 0.0744 mmHg at 25°C 
Synonyms: P-di-tert-butyl Benzene ; 1,4-bis(1,1-Dimethylethyl)-benzen ; 1,4-Tert-dibutylbenzene ; Benzene, p-di-tert-butyl- ; Benzene,1,4-di-tert-butyl- ; Bis(1,1-dimethylethyl)-benzen ; Bis(1,1-dimethylethyl)benzene ; P-di-tert-butyl-benzen
Product Categories: Aromatic Hydrocarbons (substituted) & Derivatives ; Benzene derivates ; Arenes ; Building Blocks ; Organic Building Blocks
Following is the molecular structure of P-di-tert-butyl Benzene(1012-72-2):
 
 

P-di-tert-butyl Benzene(1012-72-2) is used as Organic synthesis intermediates.

Manufacturing method: The rapid mixing, will pass into the dry isobutene mixture of benzene and sulfuric acid, the reaction heat, reaction temperature 15 ℃ or so, ventilation 1-1.5h, then stirred tank reactor 1h, points to the sulfuric acid layer, add a small amount of water to the reservoir, the precipitation of 1,4 - di-tert-butyl benzene crystal. The reservoir to fractionation, the availability of benzene, tert-butyl benzene and di-tert-butylbenzene.

Reported in EPA TSCA Inventory.

A flammable liquid. When heated to decomposition it emits acrid smoke and irritating vapors.
Safety Information of P-di-tert-butyl Benzene(1012-72-2):
Hazard Codes: N
N: Dangerous for the environment
Risk Statements: 50/53
50/53: Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment 
Safety Statements: 22-24/25-60-61
22: Do not breathe dust 
24/25: Avoid contact with skin and eyes 
60: This material and/or its container must be disposed of as hazardous waste 
61: Avoid release to the environment. Refer to special instructions safety data sheet 
RIDADR: UN 3077 9/PG 3
WGK Germany: 3
RTECS: CY8444000
HazardClass: 9
PackingGroup: III

DOT Classification:  3; Label: Flammable Liquid