Bis[4-(2-phenyl-2-propyl)phenyl]amine Chemical Properties

Melting point:

100°C

Boiling point:

535.2±39.0 °C(Predicted)

Density 

1.061±0.06 g/cm3(Predicted)

vapor pressure 

6.67hPa at 20℃

storage temp. 

Sealed in dry,Room Temperature

solubility 

Practically insoluble in water

form 

powder to crystal

pka

1.59±0.50(Predicted)

color 

White to Almost white

Water Solubility 

6.7μg/L at 20℃

InChI

InChI=1S/C30H31N/c1-29(2,23-11-7-5-8-12-23)25-15-19-27(20-16-25)31-28-21-17-26(18-22-28)30(3,4)24-13-9-6-10-14-24/h5-22,31H,1-4H3

InChIKey

UJAWGGOCYUPCPS-UHFFFAOYSA-N

SMILES

C1(NC2=CC=C(C(C)(C3=CC=CC=C3)C)C=C2)=CC=C(C(C)(C2=CC=CC=C2)C)C=C1

LogP

7.9 at 25℃

CAS DataBase Reference

10081-67-1(CAS DataBase Reference)

EPA Substance Registry System

Benzenamine, 4-(1-methyl-1-phenylethyl)-N-[4-(1-methyl-1-phenylethyl)phenyl]- (10081-67-1)

Safety Information

Risk Statements 

36/37/38-53

Safety Statements 

26-36/37/39

HS Code 

29214990

Bis[4-(2-phenyl-2-propyl)phenyl]amine Usage And Synthesis

Description

4,4'-Diphenylisopropyl diphenylamine (Antioxidant HS-911) is a kind of high-efficient nontoxic Antioxidant to replace D, A, RD and so on which are carcinogenic. HS-911 can be used in NR, IIR, SBR, NBR, BR, CR and their blend, and is especially efficient in protecting CR from thermal aging. It can also be used in plastic industry. HS-911 not only can protect vulcanized rubber from thermal aging, light aging, ozone aging and damage caused by repeating deformation, but also has a passivating effect on heavy metal and transition metal.

Uses

Because of its light contamination, HS-911 can be used in insulative and protective rubber sheeting for color wires and cables as well as common color rubber products in place of Antioxidant 264, SP, 2264, MB, DNP, etc, to greatly reduce the production cost. In carbon black rubber, it has oxidation resistance of amine type, and will not pollute products. HS-911 can be exclusively used or used together with other Antioxidant . Normal dosage in rubber is 2-3 phr.

Application

Diphenylamine antioxidant CAPOX 445, 4, 4'-Bis (alpha, alpha-dimethylbenzyl) diphenylamine, is a highly effective non-discoloring aromatic amine type antioxidant finding utility as a thermal stabilizer in a wide variety of applications, including polyolefins, styrenics, polyols, hot melt adhesives, lubricants and polyamides. Excellent performance at processing temperatures, and strong synergy with other types of antioxidants such as phenolics and phosphites, makes CAPOX 445 an excellent choice as a component of your thermal stabilizer package.

Flammability and Explosibility

Non flammable

Industrial uses

This product is one of the few kinds of antioxidant, which is non-toxic, tasteless, light colored. The anti- oxygen effect is similar America in Uniroyal. It is widely used in various kinds of elastomers. It can be used in polyethylene, polypropylene, polyvinyl chloride and other color master batch. It can also be used as antioxidant in polyurethane foam, rubber wire, cable, food package and adhesive, especially in neoprene colorful cable's jacket for its excellent resistance to heat, light, and aging. In polyether this product can be used as light-resistant and anti-aging antioxidant, also as antioxidant for lubricating oil.It is especially effective to be used in neoprene acrylate rubber, polyether polyalcohol for its resistance to aging caused by high temperature and light. When used together with sulfur-contained antioxidant, it has operational effect.

Synthesis

a, first raw material diphenylamine 50.0g into a reaction vessel equipped with a stirrer, reflux condenser, heated to diphenylamine added to melt;After completely melted, a mixed catalyst prepared from 1.5 g of magnesium chloride and 1.5 g of anhydrous stannous chloride was added, and heating and stirring were continued for mixing; b. After step a is mixed uniformly, 80.5 g of |á-methylstyrene is added dropwise, and the dropwise addition time is 0.5 h. After the dropwise addition is completed, the reaction temperature is controlled to be 130-140?? C., and the reaction is completed at this temperature for 1 h. The reaction is completed. ; c, after the end of the reaction, the resulting reaction solution was cooled, then add 60 of petroleum ether 140g and methanol 5g mixed solvent, dropped to 25 ?à 2 ??C cooling crystallization; d, after the end of crystallization, followed by filtration, petroleum ether and water washing, and then dried at 45 ??C for 14 hours, dried to obtain the antioxidant 4,4 '- bis (|á, |á- dimethyl benzyl) diphenylamine . The product obtained in this example was white crystal with a yield of 85% and a purity of 98.24%

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