*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : ZE8925000
CHEMICAL NAME : 2,4-Xylidine
CAS REGISTRY NUMBER : 95-68-1
BEILSTEIN REFERENCE NO. : 0636243
REFERENCE : 4-12-00-02545 (Beilstein Handbook Reference)
LAST UPDATED : 199806
DATA ITEMS CITED : 15
MOLECULAR FORMULA : C8-H11-N
MOLECULAR WEIGHT : 121.20
WISWESSER LINE NOTATION : ZR B1 D1
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
SYNONYMS/TRADE NAMES :
* 1-Amino-2,4-dimethylbenzene
* 4-Amino-1,3-dimethylbenzene
* 4-Amino-3-methyltoluene
* 4-Amino-1,3-xylene
* Aniline, 2,4-dimethyl-
* 2,4-Dimethylaniline
* 2,4-Dimethylbenzenamine
* 2,4-Dimethylphenylamine
* 2-Methyl-p-toluidine
* 4-Methyl-o-toluidine
* m-Xylidine
* m-4-Xylidine
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 467 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB214-270
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB214-270
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 149 ppm/7H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85INA8 "Documentation of the Threshold Limit Values and Biological Exposure
Indices," 5th ed., Cincinnati, OH, American Conference of Governmental
Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1743,1991
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1170 mg/kg/10D-C
TOXIC EFFECTS :
Liver - changes in liver weight
Kidney, Ureter, Bladder - changes in bladder weight
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year:
3,285,1983
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 13300 mg/kg/4W-I
TOXIC EFFECTS :
Liver - changes in liver weight
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - phosphatases
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - other transferases
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 12,63,1979
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 1 umol/plate
REFERENCE :
JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc.,
Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC
20037) V.1- 1953- Volume(issue)/page/year: 34,157,1986
TYPE OF TEST : Unscheduled DNA synthesis
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 1 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 206,183,1988
TYPE OF TEST : DNA damage
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - mouse
DOSE/DURATION : 200 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 394,53,1997
TYPE OF TEST : DNA inhibition
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - mouse
DOSE/DURATION : 200 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 46,305,1977
*** REVIEWS ***
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: 16,367,1978
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: 16,367,1978
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
*** 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 ***