5,5-Dimethylimidazolidine-2,4-dione

Modify Date: 2024-01-02 02:08:40

5,5-Dimethylimidazolidine-2,4-dione Structure
5,5-Dimethylimidazolidine-2,4-dione structure
Common Name 5,5-Dimethylimidazolidine-2,4-dione
CAS Number 77-71-4 Molecular Weight 128.129
Density 1.1±0.1 g/cm3 Boiling Point N/A
Molecular Formula C5H8N2O2 Melting Point 175-180ºC
MSDS N/A Flash Point 193ºC

 Names

Name 5,5-Dimethylhydantoin
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Melting Point 175-180ºC
Molecular Formula C5H8N2O2
Molecular Weight 128.129
Flash Point 193ºC
Exact Mass 128.058578
PSA 58.20000
LogP -0.66
Index of Refraction 1.449
Water Solubility H2O: 0.1 g/mL hot, clear | soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
MU0977000
CHEMICAL NAME :
Hydantoin, 5,5-dimethyl-
CAS REGISTRY NUMBER :
77-71-4
BEILSTEIN REFERENCE NO. :
0002827
LAST UPDATED :
199701
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C5-H8-N2-O2
MOLECULAR WEIGHT :
128.15
WISWESSER LINE NOTATION :
T5MVMV EHJ E1 E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
7800 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - withdrawal Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 47(6),76,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 4,723,1954
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
10 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 46(5),69,1981
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
12660 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - rigidity (including catalepsy) Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 47(6),76,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
8430 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - withdrawal Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 47(6),76,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
5600 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 46(5),69,1981
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
15950 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 46(5),69,1981 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2464 mg/kg/22W-I
TOXIC EFFECTS :
Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - catalases
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 46(5),69,1981 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1156 No. of Facilities: 230 (estimated) No. of Industries: 3 No. of Occupations: 8 No. of Employees: 1125 (estimated)

 Safety Information

Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S24/25
WGK Germany 2
RTECS MU0977000
HS Code 2933990090

 Synthetic Route

 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%

 Synonyms

MFCD00005266
2,4-Imidazolidinedione, 5,5-dimethyl-
5,5-Dimethylhydantoin
EINECS 201-051-3
5,5-Dimethyl hydantoin
5,5-dimethylimidazolidine-2,4-dione
5,5-Dimethyl-2,4-imidazolidinedione