95-53-4

MOLECULAR FORMULA :

C7-H9-N

MOLECULAR WEIGHT :

107.17

WISWESSER LINE NOTATION :

ZR B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Open irritation test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Human - man

DOSE/DURATION :

25 mg/m3

TOXIC EFFECTS :

Kidney, Ureter, Bladder - urine volume increased Kidney, Ureter, Bladder - hematuria Blood - methemoglobinemia-carboxyhemoglobin

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

670 mg/kg

TOXIC EFFECTS :

Blood - normocytic anemia Blood - pigmented or nucleated red blood cells Blood - methemoglobinemia-carboxyhemoglobin

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

862 ppm/4H

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - tremor Lungs, Thorax, or Respiration - cyanosis

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

520 mg/kg

TOXIC EFFECTS :

Blood - normocytic anemia Blood - pigmented or nucleated red blood cells Blood - methemoglobinemia-carboxyhemoglobin

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

150 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - cat

DOSE/DURATION :

150 mg/kg

TOXIC EFFECTS :

Behavioral - coma Lungs, Thorax, or Respiration - dyspnea Blood - methemoglobinemia-carboxyhemoglobin

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

840 mg/kg

TOXIC EFFECTS :

Blood - normocytic anemia Blood - pigmented or nucleated red blood cells Blood - methemoglobinemia-carboxyhemoglobin

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

3250 uL/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Amphibian - frog

DOSE/DURATION :

151 mg/kg

TOXIC EFFECTS :

Behavioral - coma Lungs, Thorax, or Respiration - dyspnea Blood - methemoglobinemia-carboxyhemoglobin

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

1700 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1125 mg/kg/5D-C

TOXIC EFFECTS :

Blood - changes in spleen Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

10200 mg/kg/30D-I

TOXIC EFFECTS :

Kidney, Ureter, Bladder - proteinuria Blood - normocytic anemia Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

109 gm/kg/2Y-C

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Blood - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

320 mg/kg female 15-21 day(s) after conception

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Reproductive - Tumorigenic effects - transplacental tumorigenesis

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

840 mg/kg/14W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Kidney, Ureter, Bladder - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

7250 mg/kg/23W-C

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Kidney, Ureter, Bladder - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

DOSE :

9520 mg/kg

SEX/DURATION :

male 17 week(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Effects on Newborn - physical

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

DOSE :

9520 mg/kg

SEX/DURATION :

female 17 week(s) pre-mating

TOXIC EFFECTS :

Reproductive - Maternal Effects - menstrual cycle changes or disorders Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - physical

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

DOSE :

952 mg/kg

SEX/DURATION :

female 17 week(s) pre-mating

TOXIC EFFECTS :

Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Maternal Effects - menstrual cycle changes or disorders

TYPE OF TEST :

Specific locus test

TYPE OF TEST :

Micronucleus test

TYPE OF TEST :

DNA damage

TYPE OF TEST :

DNA inhibition

TYPE OF TEST :

DNA inhibition

TYPE OF TEST :

Sister chromatid exchange

TYPE OF TEST :

Sister chromatid exchange

MUTATION DATA

TYPE OF TEST :

Sex chromosome loss and nondisjunction

TEST SYSTEM :

Rodent - hamster Liver

REFERENCE :

PMRSDJ Progress in Mutation Research. (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.1- 1981- Volume(issue)/page/year: 5,397,1985 *** REVIEWS *** ACGIH TLV-Animal carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 8.8 mg/m3 (2 ppm) (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 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: 16,349,1978 IARC Cancer Review:Human 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: 27,155,1982 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: 7,362,1987 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 5 ppm (22 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,261,1971 OSHA PEL (Gen Indu):8H TWA 5 ppm (22 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 5 ppm (22 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 5 ppm (22 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 5 ppm (22 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 2 ppm (9 mg/m3);Skin;Carcinogen JAN 1993 OEL-BELGIUM:TWA 2 ppm (8.8 mg/m3);Skin;Carcinogen JAN 1993 OEL-DENMARK:TWA 2 ppm (9 mg/m3);Skin;Carcinogen JAN 1993 OEL-FINLAND:TWA 5 ppm (22 mg/m3);STEL 10 ppm (44 mg/m3);Skin;Carcinogen JAN 1993 OEL-FRANCE:TWA 2 ppm (9 mg/m3);Carcinogen JAN 1993 OEL-FRANCE;Carcinogen (salts) JAN 1993 OEL-GERMANY;Skin;Carcinogen JAN 1993 OEL-THE PHILIPPINES:TWA 5 ppm (22 mg/m3);Skin JAN 1993 OEL-POLAND:TWA 3 mg/m3 JAN 1993 OEL-RUSSIA:TWA 0.5 mg/m3;STEL 1 mg/m3;Skin;Carcinogen JAN 1993 OEL-SWEDEN;Carcinogen JAN 1993 OEL-SWITZERLAND:TWA 2 ppm (9 mg/m3);Skin;Carcinogen JAN 1993 OEL-TURKEY:TWA 5 ppm (22 mg/m3);Skin JAN 1993 OEL-UNITED KINGDOM:TWA 2 ppm (9 mg/m3);STEL 5 ppm (22 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO o-TOLUIDINE-air:CA lowest feasible concentration (Sk) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 73470 No. of Facilities: 2912 (estimated) No. of Industries: 21 No. of Occupations: 20 No. of Employees: 13053 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 73470 No. of Facilities: 2517 (estimated) No. of Industries: 32 No. of Occupations: 25 No. of Employees: 30019 (estimated) No. of Female Employees: 15501 (estimated)