1,3-Dichloro-5,5-dimethylhydantoin cas no:118-52-5

Name1,3-Dichloro-5,5-dimethylhydantoin
CAS118-52-5
SynonymsDCDMH
EINECS(EC#)204-258-7
Molecular FormulaC5H6Cl2N2O2
Molecular Weight197.02

Appearancewhite to off-white crystalline powder
refractive index1.572
storage tempKeep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
Sensitive Moisture Sensitive

Hazardclass5.1

Hazard C:Corrosive
Risk R8;R22;R34
HS Code 29332100

CHEMICAL IDENTIFICATION

RTECS NUMBER :

MU0700000

CHEMICAL NAME :

Hydantoin, 1,3-dichloro-5,5-dimethyl-

CAS REGISTRY NUMBER :

118-52-5

BEILSTEIN REFERENCE NO. :

0146013

LAST UPDATED :

199712

DATA ITEMS CITED :

37

MOLECULAR FORMULA :

C5-H6-Cl2-N2-O2

MOLECULAR WEIGHT :

197.03

WISWESSER LINE NOTATION :

T5NVNV EHJ AG CG E1 E1

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 onto the skin

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

542 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

20 gm/m3/1H

TOXIC EFFECTS :

Behavioral - tremor Lungs, Thorax, or Respiration - respiratory stimulation Gastrointestinal - changes in structure or function of salivary glands

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

550 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 - rabbit

DOSE/DURATION :

1520 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - withdrawal Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

>20 gm/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 - guinea pig

DOSE/DURATION :

1350 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - withdrawal Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

500 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 :

8784 mg/kg/28D-I

TOXIC EFFECTS :

Related to Chronic Data - death

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

634 mg/kg/30D-I

TOXIC EFFECTS :

Brain and Coverings - recordings from specific areas of CNS Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

TYPE OF TEST :

Sex chromosome loss and nondisjunction

MUTATION DATA

TYPE OF TEST :

Morphological transformation

TEST SYSTEM :

Rodent - rat Embryo

REFERENCE :

JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 1,190,1981 *** REVIEWS *** ACGIH TLV-STEL 0.4 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: TLV/BEI,1997 ACGIH TLV-TWA 0.2 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: TLV/BEI,1997 *** 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 MSHA STANDARD-air:TWA 0.2 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: 3,78,1971 OSHA PEL (Gen Indu):8H TWA 0.2 mg/m3 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 0.2 mg/m3 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 0.2 mg/m3 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 0.2 mg/m3 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 0.2 mg/m3;STEL 0.4 mg/m3 JAN 1993 OEL-BELGIUM:TWA 0.2 mg/m3;STEL 0.4 mg/m3 JAN 1993 OEL-DENMARK:TWA 0.2 mg/m3 JAN 1993 OEL-FINLAND:TWA 0.2 mg/m3;STEL 0.6 mg/m3 JAN 1993 OEL-FRANCE:TWA 0.2 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 mg/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.2 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.2 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 mg/m3;STEL 0.4 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 THE CHEMICAL-air:10H TWA 0.2 mg/m3;STEL 0.4 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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 24100 No. of Facilities: 729 (estimated) No. of Industries: 5 No. of Occupations: 6 No. of Employees: 2224 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 24100 No. of Facilities: 436 (estimated) No. of Industries: 9 No. of Occupations: 10 No. of Employees: 3502 (estimated) No. of Female Employees: 1780 (estimated)