*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : QL2975000
CHEMICAL NAME : 2-Naphthol
CAS REGISTRY NUMBER : 135-19-3
LAST UPDATED : 199710
DATA ITEMS CITED : 30
MOLECULAR FORMULA : C10-H8-O
MOLECULAR WEIGHT : 144.18
WISWESSER LINE NOTATION : L66J CQ
COMPOUND DESCRIPTOR : Drug
Mutagen
Primary Irritant
SYNONYMS/TRADE NAMES :
* Azogen developer A
* C.I. 37500
* C.I. Azoic Coupling Component 1
* C.I. Developer 5
* Developer A
* Developer AMS
* Developer BN
* Developer sodium
* beta-Hydroxynaphthalene
* 2-Hydroxynaphthalene
* Isonaphthol
* beta-Monoxynaphthalene
* beta-Naftol
* 2-Naftol
* beta-Naftolo
* 2-Naftolo
* 2-Naphthalenol
* Naphthol B
* beta-Naphthol
* 2-Naphtol
* beta-Naphthyl alcohol
* beta-Naphthyl hydroxide
* beta-Naphtol
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/24H
REACTION SEVERITY : Mild
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810
Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 26-4/1973
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 100 mg
REACTION SEVERITY : Moderate
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810
Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 26-4/1973
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1960 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPPAF Gigiena Truda i Professional'naya Patologiya v Estonskoi SSR. Labor
Hygiene and Occupational Pathology in the Estonian SSR. (Institut
Eksperimental'noi i Klinicheskoi Meditsiny Ministerstva Zdravookhraneniya
Estonskoi SSR, Tallinn, USSR) V.8- 1972- Volume(issue)/page/year:
8,145,1972
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >770 mg/m3/1H
TOXIC EFFECTS :
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810
Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 26-4/1973
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 2940 mg/kg
TOXIC EFFECTS :
Behavioral - sleep
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und
Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher
information, see NSAPCC. Volume(issue)/page/year: 186,195,1937
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HBAMAK "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." (Leipzig,
Ger. Dem. Rep.) Volume(issue)/page/year: 4,1289,1935
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 97500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique.
(Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France)
V.9- 1974- Volume(issue)/page/year: 13,381,1978
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ZHINAV Zeitschrift fuer Hygiene und Infektionskrankheiten. (Berlin, Fed.
Rep. Ger.) V.11-151, 1892-1965. For publisher information, see MMIYAO.
Volume(issue)/page/year: 64,113,1909
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - cat
DOSE/DURATION : 100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HBAMAK "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." (Leipzig,
Ger. Dem. Rep.) Volume(issue)/page/year: 4,1289,1935
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 3800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
Japan) V.1- 1950- Volume(issue)/page/year: 31,1499,1980
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : >10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810
Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 26-4/1973
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HBAMAK "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." (Leipzig,
Ger. Dem. Rep.) Volume(issue)/page/year: 4,1289,1935
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 3800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
Japan) V.1- 1950- Volume(issue)/page/year: 32,605,1981
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 1335 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 30(9),22,1965
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 2670 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und
Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher
information, see NSAPCC. Volume(issue)/page/year: 186,195,1937
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 10080 mg/kg/28D-C
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in bladder weight
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810
Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 26-4/1973
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 107 mg/kg/35W-I
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes
Behavioral - alteration of classical conditioning
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 30(9),22,1965
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1350 ug/m3/17W-I
TOXIC EFFECTS :
Blood - changes in erythrocyte (RBC) count
Blood - changes in leukocyte (WBC) count
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - other esterases
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 38(10),15,1973
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 298 mg/kg/35W-I
TOXIC EFFECTS :
Liver - liver function tests impaired
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 30(9),22,1965
** MUTATION DATA **
TYPE OF TEST : DNA repair
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 2 mg/disc
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 97,1,1982
TYPE OF TEST : DNA repair
TEST SYSTEM : Bacteria - Bacillus subtilis
DOSE/DURATION : 5 gm/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 42,19,1977
*** REVIEWS ***
TOXICOLOGY REVIEW
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 47,75,1978
*** U.S. STANDARDS AND REGULATIONS ***
EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
FEREAC Federal Register. (U.S. Government Printing Office, Supt. of
Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year:
54,7740,1989
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-RUSSIA:STEL 0.1 mg/m3 JAN 1993
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 84296
No. of Facilities: 971 (estimated)
No. of Industries: 18
No. of Occupations: 18
No. of Employees: 6346 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X1957
No. of Facilities: 113 (estimated)
No. of Industries: 1
No. of Occupations: 1
No. of Employees: 453 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 84296
No. of Facilities: 199 (estimated)
No. of Industries: 11
No. of Occupations: 26
No. of Employees: 10985 (estimated)
No. of Female Employees: 590 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***