N-Isopropyl-N'-phenyl-1,4-phenylenediamine Chemical Properties

Melting point:

72-76°C

Boiling point:

161°C

Density 

1,17 g/cm³

vapor pressure 

0.007Pa at 20℃

refractive index 

1.5000 (estimate)

Flash point:

161°C/1mm

storage temp. 

-20°C

solubility 

Chloroform (Slightly), DMSO (Slightly, Sonicated)

form 

Solid

pka

6.76±0.32(Predicted)

color 

Grey to Very Dark Grey

Water Solubility 

<0.1 g/100 mL at 18 ºC

Sensitive 

Air Sensitive

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents.

LogP

2.77 at 20℃

CAS DataBase Reference

101-72-4(CAS DataBase Reference)

NIST Chemistry Reference

P-phenylenediamine, n-isopropyl-n'-phenyl-(101-72-4)

EPA Substance Registry System

N-Isopropyl-N'-phenyl-p-phenylenediamine (101-72-4)

Safety Information

Hazard Codes 

Xi,N,Xn

Risk Statements 

36/37/38-50/53-43-22

Safety Statements 

26-36-61-60-37-24

RIDADR 

3077

RTECS 

ST2650000

Hazard Note 

Irritant

TSCA 

Yes

HazardClass 

9

PackingGroup 

III

HS Code 

29215900

Hazardous Substances Data

101-72-4(Hazardous Substances Data)

Toxicity

LD50 oral in rat: 720mg/kg

MSDS

• Language:English Provider:N-2-Propyl-N'-phenyl-p-phenylenediamine
• Language:English Provider:ALFA

N-Isopropyl-N'-phenyl-1,4-phenylenediamine Usage And Synthesis

Chemical Properties

dark grey to black solid

Uses

Protection of rubbers against oxidation, ozone, flex-cracking, and poisoning by copper and manganese.

Uses

N-Isopropyl-N-phenyl-4-phenyle-nediamine is used in protection of rubber against oxidation, ozone, flex-cracking, and poisoning by copper and manganese; antidegradant in natural rubber, styrene-butadiene, nitrile-butadiene, butadiene, and chloroprene rubber.

Uses

This rubber chemical is used as an antioxidant. The main occupational sources are tyres.

Definition

ChEBI: The N-substituted diamine that is 1,4-phenylenediamine substituted at one N with an isopropyl group and at the other with a phenyl group.

Synthesis Reference(s)

The Journal of Organic Chemistry, 29, p. 1265, 1964 DOI: 10.1021/jo01028a511

General Description

Dark gray to black flakes or brown-black small chip-like solid with an aromatic odor.

Air & Water Reactions

May be sensitive to heat, air, light and moisture during long term storage. Insoluble in water.

Reactivity Profile

N-Isopropyl-N'-phenyl-1,4-phenylenediamine reacts with oxidizing agents . Neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

Fire Hazard

N-Isopropyl-N'-phenyl-1,4-phenylenediamine is combustible.

Flammability and Explosibility

Non flammable

Contact allergens

This rubber chemical is used as an antioxidant and antiozonant. The main occupational sources are tires.

N-Isopropyl-N'-phenyl-1,4-phenylenediamine (101-72-4)Related Product Information

• 2-Mercaptobenzimidazole
• N-(2-Naphthyl)aniline
• Isopropyl alcohol
• Cuminaldehyde
• p-Phenylenediamine
• Propyl butyrate
• ISOPROPYL LAURATE
• Phenyl salicylate
• PHENYL VALERATE
• Butylated Hydroxytoluene
• p-Phenylenediamine dihydrochloride
• 4,4'-Methylenedianiline
• N,N-Dimethyl-1,4-phenylenediamine
• N-Cyclohexyl-N'-phenyl-p-phenylenediamine
• N,N-Diphenyl-p-phenylenediamine
• Poly(1,2-dihydro-2,2,4-trimethylquinoline)
• 4-Aminodiphenylamine
• Styrenated phenol