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Substance Name: 1,3-Dichloro-5,5-dimethylhydantoin
RN: 118-52-5
UNII: 70H8B2WWTU
InChIKey: KEQGZUUPPQEDPF-UHFFFAOYSA-N

Note

  • Combination of dichlorodimethylhydantoin, dimethylhydantoin, sodium polyphosphate, sulfanol.

Molecular Formula

  • C5-H6-Cl2-N2-O2

Molecular Weight

  • 197.0204
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Fungicide, Bactericide, Wood Preservative
  • Mutation Data
  • Skin / Eye Irritant

Superlist Classification Codes

  • TWA 0.2 mg/m3
  • TWA 0.2 mg/m3; STEL 0.4 mg/m3
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Names and Synonyms

Name of Substance

  • 1,3-Dichloro-5,5-dimethylhydantoin
  • Sulfochloranthine

Synonyms

  • 1,3-Dichloro-5,5'-methylhydantoin
  • 1,3-Dichloro-5,5-dimethyl hydantoin
  • 1,3-Dichloro-5,5-dimethyl-2,4-imidazolidinedione
  • 1,3-Dichloro-5,5-dimethylhydantoin
  • 1,3-Dwuchloro-5,5-dwumetylohydantoina
  • 1,3-Dwuchloro-5,5-dwumetylohydantoina [Polish]
  • 2,4-Imidazolidinedione, 1,3-dichloro-5,5-dimethyl-
  • 5-24-05-00373 (Beilstein Handbook Reference)
  • AI3-23669
  • BRN 0146013
  • Caswell No. 306
  • CCRIS 5900
  • Dactin
  • Daktin
  • Dantoin
  • DDH
  • Dichlorantin
  • Dwuchlorantyny
  • Dwuchlorantyny [Polish]
  • EINECS 204-258-7
  • EPA Pesticide Chemical Code 028501
  • Halane
  • HSDB 4373
  • Hydan
  • Hydan (antiseptic)
  • Hydantoin, dichlorodimethyl-
  • NCI-C03054
  • NSC 33307
  • NSC 38630
  • Omchlor
  • UNII-70H8B2WWTU

Systematic Names

  • 1,3-Dichloro-5,5-dimethylhydantoin
  • 2,4-Imidazolidinedione, 1,3-dichloro-5,5-dimethyl-
  • Hydantoin, 1,3-dichloro-5,5-dimethyl-
  • Sulfochloranthine

Superlist Names

  • 1,3-Dichloro-5,5-dimethyl hydantoin
  • 1,3-Dichloro-5,5-dimethylhydantoin
  • 2,4-Imidazolidinedione, 1,3-dichloro-5,5-dimethyl-
  • Hydantoin, 1,3-dichloro-5,5-dimethyl-

Registry Numbers

CAS Registry Number

  • 118-52-5

FDA UNII

  • 70H8B2WWTU

Other Registry Number

  • 55945-60-3

System Generated Number

  • 0000118525

Structure Descriptors

InChI

1S/C5H6Cl2N2O2/c1-5(2)3(10)8(6)4(11)9(5)7/h1-2H3

InChIKey

KEQGZUUPPQEDPF-UHFFFAOYSA-N

Smiles

CC1(C(=O)N(C(=O)N1Cl)Cl)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 1350mg/kg (1350mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: WITHDRAWAL

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 47(6), Pg. 76, 1982.
mammal (species unspecified) LD50 unreported 500mg/kg (500mg/kg)   German Offenlegungsschrift Patent Document. Vol. #2550828,
rabbit LD50 oral 1520mg/kg (1520mg/kg) BEHAVIORAL: WITHDRAWAL

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 47(6), Pg. 76, 1982.
rabbit LD50 skin > 20gm/kg (20000mg/kg)   United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0281-0382,
rat LCLo inhalation 20gm/m3/1H (20000mg/m3) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

BEHAVIORAL: TREMOR
United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0281-0382,
rat LD50 oral 542mg/kg (542mg/kg)   "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 5, Pg. 183, 1986.
rat LD50 unreported 550mg/kg (550mg/kg)   Bromatologia i Chemia Toksykologiczna. Vol. 19, Pg. 52, 1986.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 132 deg C   EXP
log P (octanol-water) -0.940 (none)   EST
Water Solubility 500 mg/L 20 EXP
Atmospheric OH Rate Constant 3.06E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.