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EINECS 200-806-4
CAS No. 74-31-7 Density 1.2
Solubility insoluble AUTOIGNITION Melting Point 145 - 152 C
Formula C18H16 N2 Boiling Point 220 - 225 C
Molecular Weight 260.34 . CODE Flash Point 297 °C
Transport Information 25kgs Appearance light gray to brown powder
Safety Risk Codes R43;R52/53   
Molecular Structure Molecular Structure of 74-31-7 (1,4-Benzenediamine,N1,N4-diphenyl-) Hazard Symbols

1,4-Benzenediamine,N,N'-diphenyl- (9CI); p-Phenylenediamine, N,N'-diphenyl- (8CI);1,4-Bis(phenylamino)benzene; 1,4-Dianilinobenzene;4,4'-Diphenyl-p-phenylenediamine; 4-Phenylaminodiphenylamine; AgeRite DPPD;Altofane DIP; Antage DP; Antigen P; Antigene P; Antioxidant H; DFFD; DPPD;Diafen FF; Diafen FF-T; Diphenyl-p-phenylenediamine; Ekaland DPPD; Flexamine G;JZF; N,N'-Diphenyl-1,4-benzenediamine; N,N'-Diphenyl-1,4-phenylenediamine;N,N'-Diphenyl-p-phenylenediamine; NSC 5761; Naugard J; Nocrac DP; Nonflex H;Nonox DPPD; Permanax 18; Permanax DPPD; Stabilizer DPPD;p-Bis(phenylamino)benzene; p-Phenylaminodiphenylamine


N,N'-Diphenyl-1,4-phenylenediamine Chemical Properties

Chemical Name: N,N-Diphenyl-p-phenylenediamine
IUPAC NAME: 1-N,4-N-Diphenylbenzene-1,4-diamine
CAS No.: 74-31-7
EINECS: 200-806-4
RTECS: ST2275000
Molecular Formula: C18H16N2
Molecular Weight: 260.33 g/mol
Melting Point: 143-145 °C(lit.)
Density: 1.175 g/cm
Flash Point: 297 °C
Boiling Point: 469.2 °C at 760 mmHg
Storage temp.: 2-8°C
Following is the structure of 1,4-bis(phenyl amino)Benzene (74-31-7):

Product Categories about 1,4-bis(phenyl amino)Benzene (74-31-7) are Organics ; Diphenylamines (for High-Performance Polymer Research) ; Functional Materials ; Reagent for High-Performance Polymer Research
The chemical synonymous of 1,4-bis(phenyl amino)Benzene (74-31-7) are 4,4'-Diphenyl-p-phenylenediamine ; 4-Phenylaminodiphenylamine ; Altofane Dip ; Altofanedip ; Antage Dp ; Antagedp ; Antigenep

N,N'-Diphenyl-1,4-phenylenediamine Uses

 1,4-bis(phenyl amino)Benzene (74-31-7) is used as antioxidants in rubber industry.

N,N'-Diphenyl-1,4-phenylenediamine Toxicity Data With Reference


eye-rbt 500 mg/24H SEV

    28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,73.

mma-sat 10 µg/plate

    PCBRD2    Progress in Clinical and Biological Research. 141 (1984),407.

msc-ham:lng 30 mg/L

    SWEHDO    Scandinavian Journal of Work, Environment and Health. 9 (Suppl 2)(1983),27.

orl-rat LD50:2370 mg/kg

    28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,73.

orl-mus LD50:18 g/kg

    GTPZAB    Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 10 (3)(1966),49.

ipr-mus LD50:300 mg/kg

    NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .

N,N'-Diphenyl-1,4-phenylenediamine Consensus Reports

Reported in EPA TSCA Inventory.

N,N'-Diphenyl-1,4-phenylenediamine Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. A weak allergen. Experimental teratogenic and reproductive effects. An eye irritant. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. Combustible when exposed to heat or flame; can react with oxidizing materials. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes:
Xi: Irritant 
Risk Statements about 1,4-bis(phenyl amino)Benzene (74-31-7):
R 43 May cause sensitization by skin contact. 
R 52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements about 1,4-bis(phenyl amino)Benzene (74-31-7):
S 24 Avoid contact with skin. 
S 37 Wear suitable gloves. 
S 61 Avoid release to the environment. Refer to special instructions/safety data sheets.
1. Storage: Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
2. Handling: All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

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