CAS 105-60-2|Caprolactam

CHEMICAL IDENTIFICATION

RTECS NUMBER :

CM3675000

CHEMICAL NAME :

2H-Azepin-2-one, hexahydro-

CAS REGISTRY NUMBER :

105-60-2

BEILSTEIN REFERENCE NO. :

0106934

LAST UPDATED :

199806

DATA ITEMS CITED :

91

MOLECULAR FORMULA :

C6-H11-N-O

MOLECULAR WEIGHT :

113.18

WISWESSER LINE NOTATION :

T7MVTJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

DOSE/DURATION :

100 ppm

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - cough

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1210 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - chromodacryorrhea Behavioral - convulsions or effect on seizure threshold Nutritional and Gross Metabolic - body temperature decrease

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

300 mg/m3/2H

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

800 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands Nutritional and Gross Metabolic - body temperature decrease

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

580 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Kidney, Ureter, Bladder - urine volume increased

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

930 mg/kg

TOXIC EFFECTS :

Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

450 mg/m3

TOXIC EFFECTS :

Behavioral - muscle contraction or spasticity

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

650 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - antipsychotic Behavioral - analgesia

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

750 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

480 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

930 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Kidney, Ureter, Bladder - urine volume increased

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

1410 uL/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD - Lethal dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

>300 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands Nutritional and Gross Metabolic - body temperature decrease

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

1 gm/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Kidney, Ureter, Bladder - urine volume increased

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

950 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 :

Subcutaneous

SPECIES OBSERVED :

Amphibian - frog

DOSE/DURATION :

2800 mg/kg

TOXIC EFFECTS :

Autonomic Nervous System - other (direct) parasympathomimetic Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

42 gm/kg/8W-C

TOXIC EFFECTS :

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 :

540 mg/kg/90-C

TOXIC EFFECTS :

Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - changes in sodium

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

5960 mg/kg/82D-C

TOXIC EFFECTS :

Kidney, Ureter, Bladder - other changes in urine composition Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

9100 mg/kg/26W-I

TOXIC EFFECTS :

Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Blood - changes in other cell count (unspecified) Related to Chronic Data - death

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

10 gm/kg

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

10 gm/kg

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

125 mg/m3/24H

SEX/DURATION :

male 76 day(s) pre-mating

TOXIC EFFECTS :

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

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Inhalation

DOSE :

473 mg/m3/4H

SEX/DURATION :

female 1-5 day(s) after conception

TOXIC EFFECTS :

Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Effects on Embryo or Fetus - fetal death

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Inhalation

DOSE :

139 mg/m3/4H

SEX/DURATION :

female 6-12 day(s) after conception

TOXIC EFFECTS :

Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

473 mg/m3/4H

SEX/DURATION :

female 60 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Maternal Effects - menstrual cycle changes or disorders

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

3450 mg/kg

SEX/DURATION :

female 6-28 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

2500 mg/kg

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

TYPE OF TEST :

Specific locus test

TYPE OF TEST :

Sex chromosome loss and nondisjunction

TYPE OF TEST :

Micronucleus test

TYPE OF TEST :

DNA damage

TYPE OF TEST :

Sperm Morphology

TYPE OF TEST :

Specific locus test

TYPE OF TEST :

DNA damage

MUTATION DATA

TYPE OF TEST :

Sister chromatid exchange

TEST SYSTEM :

Rodent - hamster Ovary

REFERENCE :

MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 224,333,1989 *** REVIEWS *** ACGIH TLV-Not classifiable as a human 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 23 mg/m3 (5 ppm) (vapor) 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-STEL 46 mg/m3 (10 ppm) (vapor) 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-STEL 3 mg/m3 (dust) 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 1 mg/m3 (dust) 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 NO 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: 39,247,1986 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: 39,247,1986 IARC Cancer Review:Group 4 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 1 mg/m3;STEL 3 mg/m3 (dust) JAN 1993 OEL-AUSTRALIA:TWA 5 ppm (20 mg/m3);STEL 10 ppm (vapor) JAN 1993 OEL-AUSTRIA:TWA 25 mg/m3 (dust) JAN 1993 OEL-BELGIUM:TWA 1 mg/m3;STEL 3 mg/m3 (dust) JAN 1993 OEL-BELGIUM:TWA 4.3 ppm (20 mg/m3);STEL 8.6 ppm (40 mg/m3) JAN 1993 OEL-DENMARK:TWA 1 mg/m3 JAN 1993 OEL-DENMARK:TWA 5 ppm (25 mg/m3) (dust) JAN 1993 OEL-DENMARK:TWA 5 ppm (25 mg/m3) (vapor) JAN 1993 OEL-FINLAND:TWA 1 mg/m3;STEL 3 mg/m3 (dust) JAN 1993 OEL-FINLAND:TWA 5 ppm (20 mg/m3);STEL 10 ppm (46 mg/m3) (vapor) JAN 1993 OEL-FRANCE:TWA 1 mg/m3 (dust) JAN 1993 OEL-FRANCE:TWA 5 ppm (20 mg/m3) (vapor) JAN 1993 OEL-GERMANY:TWA 25 mg/m3 (dust) JAN 1993 OEL-GERMANY:TWA 25 mg/m3 JAN93(vapor) OEL-HUNGARY:TWA 1 mg/m3;STEL 2 mg/m3 (dust) JAN 1993 OEL-THE NETHERLANDS:TWA 1 mg/m3 (vapor) JAN 1993 OEL-THE NETHERLANDS:TWA 5 ppm (20 mg/m3) (dust) JAN 1993 OEL-POLAND:TWA 10 mg/m3 (dust) JAN 1993 OEL-RUSSIA:STEL 10 mg/m3 (dust) JAN 1993 OEL-SWITZERLAND:TWA 4 ppm (20 mg/m3) (vapor) JAN 1993 OEL-UNITED KINGDOM:TWA 1 mg/m3;STEL 3 mg/m3 (dust) JAN 1993 OEL-UNITED KINGDOM:TWA 5 ppm (20 mg/m3);STEL 10 ppm (vapor) 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 CAPROLACTAM, dust-air:10H TWA 1 mg/m3;STEL 3 mg/m3 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 RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CAPROLACTAM, vapor-air:10H TWA 0.22 ppm;STEL 0.66 ppm 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 - 83732 No. of Facilities: 955 (estimated) No. of Industries: 14 No. of Occupations: 14 No. of Employees: 6208 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83732 No. of Facilities: 812 (estimated) No. of Industries: 12 No. of Occupations: 19 No. of Employees: 25091 (estimated) No. of Female Employees: 8291 (estimated)

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