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MSDS  : 2-Naphthol, 1-(o-tolylazo)-
CAS  : 2646-17-5
SYNONYMS  : * A.F. Orange No. 2 * Aizen Food Orange No. 2 * Atul Oil Orange T * C.I. 12100 * C.I. Solvent Orange 2 * D&C Orange No. 2 * Dolkwal Orange SS * Ext D and C Orange No. 4 * Extract D and C Orange No. 4 * Fat Orange II * Fat Orange RR * FD & C Orange 2 * FD and C Orange No. 2 * Hexacol Oil Orange SS * 1-((2-Methylphenyl)azo)-2-naphthalenol * Japan Orange 403 * Lacquer Orange V * Oil Orange 204 * Oil Orange Opel * Oil Orange OT * Oil Orange TX * Oleal Orange SS * Orange OT * Orange 3R soluble IN grease * Orange SS * Oranz rozpoustedlova 2 * Oranz SS * Organol Orange 2R * Toluene-2-azonaphthol-2 * o-Tolueno-azo-beta-naphthol * 1-(o-Tolylazo)-beta-naphthol * 1-o-Tolylazo-2-naphthol
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : QL5425000
CHEMICAL NAME : 2-Naphthol, 1-(o-tolylazo)-
CAS REGISTRY NUMBER : 2646-17-5
BEILSTEIN REFERENCE NO. : 0959684
REFERENCE : 4-16-00-00232 (Beilstein Handbook Reference)
LAST UPDATED : 199709
DATA ITEMS CITED : 18
MOLECULAR FORMULA : C17-H14-N2-O
MOLECULAR WEIGHT : 262.33
WISWESSER LINE NOTATION : L66J BNUNR B1& CQ
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
SYNONYMS/TRADE NAMES :
* A.F. Orange No. 2
* Aizen Food Orange No. 2
* Atul Oil Orange T
* C.I. 12100
* C.I. Solvent Orange 2
* D&C Orange No. 2
* Dolkwal Orange SS
* Ext D and C Orange No. 4
* Extract D and C Orange No. 4
* Fat Orange II
* Fat Orange RR
* FD & C Orange 2
* FD and C Orange No. 2
* Hexacol Oil Orange SS
* 1-((2-Methylphenyl)azo)-2-naphthalenol
* Japan Orange 403
* Lacquer Orange V
* Oil Orange 204
* Oil Orange Opel
* Oil Orange OT
* Oil Orange TX
* Oleal Orange SS
* Orange OT
* Orange 3R soluble IN grease
* Orange SS
* Oranz rozpoustedlova 2
* Oranz SS
* Organol Orange 2R
* Toluene-2-azonaphthol-2
* o-Tolueno-azo-beta-naphthol
* 1-(o-Tolylazo)-beta-naphthol
* 1-o-Tolylazo-2-naphthol

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 5 gm/kg
TOXIC EFFECTS :
Behavioral - food intake (animal)
Gastrointestinal - hypermotility, diarrhea
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
JAMAAP JAMA, Journal of the American Medical Association. (AMA, 535 N.
Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year:
109,493,1937

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 200 mg/kg
TOXIC EFFECTS :
Behavioral - food intake (animal)
Lungs, Thorax, or Respiration - respiratory stimulation
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
JAMAAP JAMA, Journal of the American Medical Association. (AMA, 535 N.
Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year:
109,493,1937

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 5 gm/kg
TOXIC EFFECTS :
Behavioral - food intake (animal)
Gastrointestinal - hypermotility, diarrhea
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
JAMAAP JAMA, Journal of the American Medical Association. (AMA, 535 N.
Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year:
109,493,1937

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 60 mg/kg
TOXIC EFFECTS :
Behavioral - food intake (animal)
Lungs, Thorax, or Respiration - respiratory stimulation
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
JAMAAP JAMA, Journal of the American Medical Association. (AMA, 535 N.
Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year:
109,493,1937

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 56 gm/kg/20W-I
TOXIC EFFECTS :
Blood - pigmented or nucleated red blood cells
Nutritional and Gross Metabolic - weight loss or decreased weight gain
Related to Chronic Data - changes in testicular weight
REFERENCE :
JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great
Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949-
Volume(issue)/page/year: 8,417,1956

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 115 gm/kg/44W-C
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great
Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949-
Volume(issue)/page/year: 8,417,1956

** TUMORIGENIC DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 6 gm/kg/52W
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria
Gastrointestinal - tumors
REFERENCE :
BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills,
Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year:
10,653,1956

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Implant
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 50 mg/kg
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Kidney, Ureter, Bladder - tumors
REFERENCE :
BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills,
Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year:
12,222,1958

** MUTATION DATA **

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 2 mg/plate
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E.
11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year:
19(Suppl 21),2,1992

TYPE OF TEST : Micronucleus test
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - mouse
DOSE/DURATION : 200 mg/kg/48H (Intermittent)
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 389,3,1997

*** REVIEWS ***

IARC Cancer Review:Animal Sufficient 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: 8,165,1975

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: 8,165,1975

IARC Cancer Review:Group 2B
IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49
Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year:
7,56,1987

TOXICOLOGY REVIEW
ARVPAX Annual Review of Pharmacology. (Palo Alto, CA) V.1-15, 1961-75. For
publisher information, see ARPTDI. Volume(issue)/page/year: 14,127,1974

TOXICOLOGY REVIEW
AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St.,
NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 23,6,1971

*** STATUS IN U.S. ***

EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat

EPA GENETOX PROGRAM 1988, Inconclusive: B subtilis rec assay

EPA TSCA Section 8(b) CHEMICAL INVENTORY


*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
1-Naphthol,1,2,3,4-tetrahydro-6-methoxy-1-phenyl-2-(3-pyridyl)- 10059-83-3
1-Naphthol,1,2,3,4-tetrahydro-6-methoxy-2-phenyl-1-(2-pyridyl)- 5205-71-0
1-Naphthol,1,2,3,4-tetrahydro-6-methoxy-2-phenyl-1-(4-pyridyl)- 5205-72-1
1-Naphthol,1,2,3,4-tetrahydro-6-methoxy-2-phenyl-1-(p-tolyl)- 4256-36-4
1-Naphthol,1,2,3,4-tetrahydro-6-methoxy-2-(piperidinomethyl)-,propionate, hydrochloride 4256-36-4
1-Naphthoic acid, 3-amino-, 2-(dibutylamino)propylester, hydrochloride 4256-36-4
1-Naphthol, 1,2,3,4-tetrahydro-2-(piperidinomethyl)-,hydrochloride 4256-36-4
2-Naphthol, 1-(o-tolylazo)- 2646-17-5
2-Naphthol, 1-((4-tolylazo)tolylazo)- 63980-27-8
2-Naphthol, 1-((4-(o-tolylazo)-o-tolyl)azo)- 85-83-6
2-Naphthol, trichloro- 63980-28-9
1-Naphthol, 2,4,5-trinitro- 63978-89-2
2-Naphthol, 1-(2,4-xylylazo)- 3118-97-6
2-Naphthol, 1-(2,5-xylylazo)- 85-82-5
Naphthomycin A 55557-40-9
Naphthomycin A,30-((2-(acetylamino)-2-carboxyethyl)thio)-30-dechloro-2-demethyl-, (4E,6Z)- 102228-99-9
1-Naphthoic acid, 3-amino-, 3-(dibutylamino)propylester, hydrochloride 102228-99-9
Naphthomycin A, 30-dechloro-2-demethyl-30-hydroxy-,(4E,6Z)- 102281-52-7
Naphthomycin A, ethylthio derivative 102281-52-7
Naphthomycin A, methylthio derivative 102281-52-7
Naphthomycin A, propylthio derivative 102281-52-7
Naphtho(2,1-b)(1,6)naphthyridine,7,8,9,10,11,12-hexahydro-10-methyl-, hydrochloride 40431-52-5
1-Naphthonitrile 86-53-3
2-Naphthonitrile 613-46-7
1-Naphthonitrile, 5-nitro- 23245-64-9
1-Naphthonitrile,1,2,3,4-tetrahydro-4-(dimethylamino)-1-phenyl-,hydrochloride, (E)- 52371-46-7
1-Naphthonitrile,1,2,3,4-tetrahydro-4-(dimethylamino)-1-phenyl-,hydrochloride, (Z)- 52454-09-8
1-Naphthoic acid, 4-amino-, 2-(dibutylamino)propylester, hydrochloride 52454-09-8
1-Naphthonitrile,1,2,3,4-tetrahydro-4-methylamino-1-phenyl-,hydrochloride, (E)- 63978-90-5
Naphtho(2',1'6,7)phenanthro(3,4-b)oxirene-2,3-diol,1a,2,3,13c-tetrahydro- 86541-62-0
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Naphtho(2',1'5,6)phenanthro(3,4-b)oxirene-9,10-diol,9,10,10a,11a-tetrahydro-, (9-alpha,10-beta,10a-beta,11a-beta)-(+-)- 139237-89-1
1H-Naphtho(2',3'6,7)phenanthro(3,2-c)pyran-1,9,14-trione,3,4,6,7-tetrahydro-7-(acetyloxy)-8-methoxy-3-methyl-10,15,16-trihydroxy- 157110-25-3
1H-Naphtho(2',2'6,7)phenanthro(3,2-c)pyran-1,9,14-trione, 3,4,6,7-tetrahydro-8-methoxy-3-methyl-7,10,15,16-tetrahydroxy- 157110-23-1
1H-Naphtho(2,3-c)pyran-3-acetic acid,3,4,4a,5,10,10a-hexahydro-9,10a-dihydroxy-1-methyl-5,10-dioxo-, (1S-(1-alpha,3-beta,4a-alpha,10a-beta))- 52934-85-7
1H-Naphtho(2,3-c)pyran-3-acetic acid,3,4,5,10-tetrahydro-9-hydroxy-1-methyl-5,10-dioxo-,(1S-E)- 52934-83-5
3H-Naphtho(2,1-b)pyran-3-amine, N-(4-bromophenyl)- 72516-82-6
2H-Naphtho(1,2-b)pyran-2-amine,N-(4-bromophenyl)-6-methyl- and2-(3-((4-bromophenyl)amino)-2-propenylidene)-4-methyl-1(2H)-naphthalenone (4:1) 72516-82-6
1-Naphthoic acid, 4-amino-, 3-(dibutylamino)propylester, hydrochloride 72516-82-6
3H-Naphtho(2,1-b)pyran-3-amine, N-(4-methoxyphenyl)-and 4-(3-((4-methoxyphenyl)amino)-2-propenylidene)-1(4H)-naphthalenone (3:2) 72516-82-6
2H-Naphtho(1,2-b)pyran-2-amine,N-(4-methoxyphenyl)-6-methyl- and2-(3-((4-methoxyphenyl)amino)-2-propenylidene)-4-methyl-1(2H)-naphthalenone(1:2) 72516-82-6
2H-Naphtho(1,2-b)pyran-2-amine,6-methyl-N-(4-nitrophenyl)- 88989-00-8
2H-Naphtho(1,2-b)pyran-2-amine, 6-methyl-N-phenyl-and 4-methyl-2-(3-(phenylamino)-2-propenylidene-1(2H)-naphthalenone (2:1) 88989-00-8
3H-Naphtho(2,1-b)pyran-3-amine, N-(4-nitrophenyl)- 72516-83-7
3H-Naphtho(2,1-b)pyran-3-amine, N-phenyl- 72516-79-1
3H-Naphtho(2,1-b)pyran-3-amine, N-(phenylmethyl)- and4-(3-((phenylmethyl)amino)-2-propenylidene)-1(4H)-naphthalenone (1:1) 72516-79-1
1H-Naphtho(2,1-b)pyran-8-carboxylic acid,3-(diethylamino)-2-(4-morpholinylmethyl)-1-oxo-,ethyl ester 58492-81-2
1H-Naphtho(2,1-b)pyran-8-carboxylic acid,3-(diethylamino)-1-oxo-, methyl ester 57944-52-2
1H-Naphtho(2,1-b)pyran-8-carboxylic acid,3-(diethylamino)-1-oxo- 57944-63-5
1-Naphthoic acid, 5-amino-, 2-(dibutylamino)propylester, hydrochloride 57944-63-5

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