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6416-57-5

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Basic Information
CAS No.: 6416-57-5
Name: FAT BROWN RR
Molecular Structure:
Molecular Structure of 6416-57-5 (FAT BROWN RR)
Formula: C16H14 N4
Molecular Weight: 262.314
Synonyms: 1,3-Benzenediamine,4-(1-naphthalenylazo)- (9CI); C.I. Solvent Brown 1 (8CI); C.I. 11285; FatBrown; Fat Brown 2G; Fat Brown 2R; Fat Brown RR; Grasan Brown DT New; HexatypeBrown N; Lithofor Brown A; Oil-sol. brown; Organol 2R; Silotras Brown TRN;Solvent Brown 1; Sudan Brown RR; Sudan Brown YR; Typogen Brown N
Density: 1.26g/cm3
Melting Point: 147-158 °C(lit.)
Boiling Point: 521.4°C at 760 mmHg
Flash Point: 269.2°C
Hazard Symbols: Xi
Risk Codes: R36/37/38
Safety: Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NOx. See also AROMATIC AMINES.
PSA: 76.76000
LogP: 5.58200
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Chemistry

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:

Toxicity Data With Reference

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

Consensus Reports

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.

Safety Profile

Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NOx. 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 : IrritantXi 
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