N,N'-Di-2-naphthyl-p-phenylenediamine Chemical Properties

Melting point:

225-229°C

Boiling point:

232-134°C (dec.)

Density 

1.25

refractive index 

1.7620 (estimate)

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

Chloroform (Slightly, Heated, Sonicated), DMSO (Slightly)

form 

Solid

pka

3.10±0.30(Predicted)

color 

Pale Grey to Light Grey

Water Solubility 

<0.1 g/100 mL at 19 ºC

CAS DataBase Reference

93-46-9(CAS DataBase Reference)

NIST Chemistry Reference

N,n'-di-beta-naphthyl-p-phenylenediamine(93-46-9)

EPA Substance Registry System

N,N'-Di-2-naphthyl-p-phenylenediamine (93-46-9)

Safety Information

Risk Statements 

20/21/22-36/37/38

Safety Statements 

22-36/37/39

RTECS 

ST2100000

HS Code 

29215900

Toxicity

LD50 oral in rat: 4500mg/kg

MSDS

• Language:English Provider:Di-beta-naphthyl-p-phenylenediamine

N,N'-Di-2-naphthyl-p-phenylenediamine Usage And Synthesis

Uses

N,N-Di-β-naphtyl-4-phenylenediamine is used as antioxidant; stabilizer; polymerization inhibitor; intermediate in organic synthesis; antidegradant for latex, nitrile rubber, styrene-butadiene, and nitrile-butadiene rubber.

Uses

ASM-DNT can be used as a rubber door panel part.

General Description

Gray powder.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

N,N'-Di-2-naphthyl-p-phenylenediamine 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

Flash point data for N,N'-Di-2-naphthyl-p-phenylenediamine are not available; however, N,N'-Di-2-naphthyl-p-phenylenediamine is probably combustible.

Safety Profile

A human skin irritant. An experimental skin and eye irritant. Mutation data reported. Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NOx.

N,N'-Di-2-naphthyl-p-phenylenediamine(93-46-9)Related Product Information

• 1,4-Diamino-2-nitrobenzene
• 4,4'-Methylenedianiline
• o-Phenylenediamine
• Styrenated phenol
• 2,3,5,6-TETRAMETHYL-1,4-PHENYLENEDIAMINE
• p-Phenylenediamine
• 1-(1-NAPHTHYL)-2-THIOUREA
• N-Cyclohexyl-N'-phenyl-p-phenylenediamine
• p-Phenylenediamine dihydrochloride
• N,N-Dimethyl-1,4-phenylenediamine
• 4-Aminodiphenylamine
• N-(1,3-Dimethylbutyl)-N'-phenyl-p-phenylenediamine
• N,N'-(1,4-Phenylene)bis(acetoacetamide)
• N,N-Diethyl-1,4-phenylenediamine
• Poly(1,2-dihydro-2,2,4-trimethylquinoline)
• 2-Mercaptobenzimidazole
• N-(2-Naphthyl)aniline
• Butylated Hydroxytoluene