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118-52-5

118-52-5 structure
118-52-5 structure

Name 1,3-Dichloro-5,5-dimethylhydantoin
Synonyms 1,3-Dichloro-5,5-dimethyl-2,4-imidazolidinedione DCDMH
EINECS 204-258-7
1,3-Dichloro-5,5-dimethyl-2,4-imidazolidinedione
1,3-dichloro-5,5-dimethylhydantoin
2,4-Imidazolidinedione, 1,3-dichloro-5,5-dimethyl-
1,3-Dichloro-5,5-dimethyl hydantoin
MFCD00003190
1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione
Density 1.6±0.1 g/cm3
Boiling Point 214.7±23.0 °C at 760 mmHg
Melting Point 132-134 °C(lit.)
Molecular Formula C5H6Cl2N2O2
Molecular Weight 197.019
Flash Point 83.7±22.6 °C
Exact Mass 195.980637
PSA 40.62000
LogP 1.36
Vapour Pressure 0.2±0.4 mmHg at 25°C
Index of Refraction 1.572
Water Solubility 0.21 g/100 mL (25 ºC)

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)
Symbol GHS03 GHS05 GHS07 GHS08 GHS09
GHS03, GHS05, GHS07, GHS08, GHS09
Signal Word Danger
Hazard Statements H272-H302-H314-H334-H400
Supplemental HS Contact with acids liberates toxic gas.
Precautionary Statements P220-P261-P273-P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive
Risk Phrases R8;R22;R34
Safety Phrases S26-S36-S45-S36/37/39-S17-S61
RIDADR UN 1479 5.1/PG 2
WGK Germany 3
RTECS MU0700000
Packaging Group II
Hazard Class 5.1
HS Code 29332100

~86%

118-52-5 structure

118-52-5

Literature: Tetrahedron Letters, , vol. 50, # 6 p. 656 - 658

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118-52-5 structure

118-52-5

Literature: Anales de la Asociacion Quimica Argentina (1921-2001), , vol. 41, p. 153

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118-52-5 structure

118-52-5

Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2>113, p. 263 Anm.4
HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%