FAT BROWN RR

IUPAC Name of 4-(1-Naphthylazo)-m-phenylenediamine (CAS NO.6416-57-5):
4-Naphthalen-1-yldiazenylbenzene-1,3-diamine
Synonyms: 1-Naphthalenazo-2',4'-diaminobenzene ; 3-Benzenediamine,4-(1-naphthalenylazo)-1 ; 4-(1-Naphthalenylazo)-1,3-phenylenediamine ; 4-(1-Naphthalenylazo)-3-benzenediamine ; 4-(1-Naphthylazo)-m-phenylenediamin ; 4-(1-Naphthylazo)-m-phenylenediamine
CAS: 6416-57-5 
Molecular Formula: C₁₆H₁₄N₄ 
Molecular Weight: 262.31
EINECS: 229-127-1 
Melting Point:147-158 °C(lit.) 
Index of Refraction: 1.681 
Density: 1.26 g/cm³ 
Flash Point: 269.2 °C 
Boiling Point: 521.4 °C at 760 mmHg
Molecular Structure:

The Mutagenicity Data of 4-(1-Naphthylazo)-m-phenylenediamine (CAS NO.6416-57-5):
Test type:TDLo - Lowest published toxic dose
Route of exposure:Oral
Test Species:Rodent - rat
Dose/time:34 gm/kg/89W-C
Toxicity:Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Liver - tumors
Reference:ZEKBAI Zeitschrift fuer Krebsforschung. (Berlin, Fed. Rep. Ger.) V.1-75, 1903-71. For publisher information, see JCROD7. Volume(issue)/page/year: 57,530,1951 
Overview:IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 8,249,1975 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 8,249,1975 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987

IARC Cancer Review: Group 3 IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 ,1987,p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 8 ,1975,p. 249.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.

Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NO_x. See also AROMATIC AMINES.
The Risk Statements of  4-(1-Naphthylazo)-m-phenylenediamine (CAS NO.6416-57-5):
R36/37/38:Irritating to eyes, respiratory system and skin.
Hazard Codes : Xi 
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
RTECS :ST2900000