1,3-Dichloro-5,5-dimethylhydantoin
Names
[ CAS No. ]:
118-52-5
[ Name ]:
1,3-Dichloro-5,5-dimethylhydantoin
[Synonym ]:
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
Chemical & Physical Properties
[ 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)
MSDS
Toxicological Information
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)
Safety Information
[ Symbol ]:
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
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ 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%
Articles
Synth. Commun. 36(2) , 255-8, (2006)
Oxidation of urazoles with 1, 3-dihalo-5, 5-dimethylhydantoin, both in solution and under solvent-free conditions. Zolfigol MA, et al.
Synlett 5 , 761-4, (2005)
Introduction of 3'-terminal nucleosides having a silyl-type linker into polymer supports without base protection.
J. Org. Chem. 74(7) , 2817-23, (2009)
New 3'-terminal deoxyribonucleoside-loading reagents having a silyl-type linker were developed. They were effectively introduced into polymer supports under the conditions of Huisgen [3 + 2] cycloaddi...