CAS 110-91-8|morpholine

CHEMICAL IDENTIFICATION

RTECS NUMBER :

QD6475000

CHEMICAL NAME :

Morpholine

CAS REGISTRY NUMBER :

110-91-8

BEILSTEIN REFERENCE NO. :

0102549

LAST UPDATED :

199712

DATA ITEMS CITED :

57

MOLECULAR FORMULA :

C4-H9-N-O

MOLECULAR WEIGHT :

87.14

WISWESSER LINE NOTATION :

T6M DOTJ

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 :

Open irritation 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 :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1450 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

8000 ppm/8H

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1600 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 :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

525 mg/kg

TOXIC EFFECTS :

Behavioral - sleep Behavioral - somnolence (general depressed activity)

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1320 mg/m3/2H

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - lacrimation Behavioral - ataxia Lungs, Thorax, or Respiration - cyanosis

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

413 mg/kg

TOXIC EFFECTS :

Reproductive - Paternal Effects - testes, epididymis, sperm duct

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

458 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 :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

500 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 :

Rodent - guinea pig

DOSE/DURATION :

100 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Gastrointestinal - ulceration or bleeding from stomach Gastrointestinal - ulceration or bleeding from small intestine

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

1220 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

12000 mg/m3

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 :

24 gm/kg/30D-I

TOXIC EFFECTS :

Gastrointestinal - necrotic changes Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

70 mg/m3/4H/17W-I

TOXIC EFFECTS :

Vascular - BP lowering not characterized in autonomic section Blood - changes in leukocyte (WBC) count

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

250 ppm/6H/13W-I

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

9 gm/kg/10D-I

TOXIC EFFECTS :

Liver - fatty liver degeneration Skin and Appendages - primary irritation (after topical exposure) Related to Chronic Data - death

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

13500 mg/kg/30D-I

TOXIC EFFECTS :

Gastrointestinal - necrotic changes Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

70 mg/m3/4H/17W-I

TOXIC EFFECTS :

Liver - liver function tests impaired Kidney, Ureter, Bladder - other changes in urine composition

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

27 gm/kg/30D-I

TOXIC EFFECTS :

Kidney, Ureter, Bladder - changes in both tubules and glomeruli Skin and Appendages - primary irritation (after topical exposure) Related to Chronic Data - death

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

2560 mg/kg/Y-C

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - bronchiogenic carcinoma Liver - tumors

MUTATION DATA

TYPE OF TEST :

Sister chromatid exchange

TEST SYSTEM :

Rodent - hamster Ovary

REFERENCE :

EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0779-0294 *** 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 71 mg/m3 (20 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: 47,199,1989 IARC Cancer Review:Group 3 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: 47,199,1989 TOXICOLOGY REVIEW JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 8,707,1989 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 20 ppm (70 mg/m3) (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: 3,175,1971 OSHA PEL (Gen Indu):8H TWA 20 ppm (70 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 20 ppm (70 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 20 ppm (70 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 20 ppm (70 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 20 ppm (70 mg/m3);STEL 30 ppm (105 mg/m3);Skin JAN 1993 OEL-BELGIUM:TWA 20 ppm (71 mg/m3);STEL 30 ppm (107 mg/m3);Skin JAN 1993 OEL-DENMARK:TWA 20 ppm (70 mg/m3);Skin JAN 1993 OEL-FINLAND:TWA 20 ppm (70 mg/m3);STEL 30 ppm (105 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 20 ppm (70 mg/m3);STEL 30 ppm (105 mg/m3) JAN 1993 OEL-GERMANY:TWA 20 ppm (70 mg/m3);Skin JAN 1993 OEL-HUNGARY:STEL 10 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 20 ppm (70 mg/m3);Skin JAN 1993 OEL-THE PHILIPPINES:TWA 20 ppm (70 mg/m3);Skin JAN 1993 OEL-RUSSIA:TWA 0.5 mg/m3;STEL 1.5 mg/m3;Skin JAN 1993 OEL-SWEDEN:TWA 20 ppm (70 mg/m3);STEL 30 ppm (110 mg/m3);Skin JAN 1993 OEL-SWITZERLAND:TWA 20 ppm (70 mg/m3);STEL 40 ppm;Skin JAN 1993 OEL-UNITED KINGDOM:TWA 20 ppm (70 mg/m3);STEL 30 ppm;Skin 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 MORPHOLINE-air:10H TWA 20 ppm (Sk);STEL 30 ppm (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 - 48910 No. of Facilities: 20431 (estimated) No. of Industries: 132 No. of Occupations: 82 No. of Employees: 122734 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 48910 No. of Facilities: 13767 (estimated) No. of Industries: 133 No. of Occupations: 105 No. of Employees: 214367 (estimated) No. of Female Employees: 65146 (estimated)

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