5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione

Modify Date: 2025-08-26 18:54:26

5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione Structure
5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione structure
 Common Name 5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione
CAS Number 50-11-3 Molecular Weight 198.21900
Density 1.122g/cm3 Boiling Point 302ºC at 760mmHg
Molecular Formula C9H14N2O3 Melting Point N/A
MSDS N/A Flash Point 136.4ºC

 Names

Name 5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.122g/cm3
Boiling Point 302ºC at 760mmHg
Molecular Formula C9H14N2O3
Molecular Weight 198.21900
Flash Point 136.4ºC
Exact Mass 198.10000
PSA 66.48000
LogP 0.76770
Index of Refraction 1.467

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CQ3675000
CHEMICAL NAME :
Barbituric acid, 5,5-diethyl-1-methyl-
CAS REGISTRY NUMBER :
50-11-3
BEILSTEIN REFERENCE NO. :
0184688
LAST UPDATED :
199612
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C9-H14-N2-O3
MOLECULAR WEIGHT :
198.25
WISWESSER LINE NOTATION :
T6VMVNV FHJ D1 F2 F2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
27ZIAQ "Drug Dosages in Laboratory Animals - A Handbook," Rev. ed., Barnes, C.D., and L.G. Eltherington, Berkeley, Univ. of California Press, 1973 Volume(issue)/page/year: -,-,1965
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
27ZIAQ "Drug Dosages in Laboratory Animals - A Handbook," Rev. ed., Barnes, C.D., and L.G. Eltherington, Berkeley, Univ. of California Press, 1973 Volume(issue)/page/year: -,159,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7131 No. of Facilities: 9 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 339 (estimated) No. of Female Employees: 170 (estimated)

 Safety Information

RIDADR UN 3249
Packaging Group III
Hazard Class 6.1(b)
HS Code 2933540000

 Synthetic Route

Diethyl diethylmalonate structure

Diethyl diethyl...

CAS#:77-25-8

1-Methylurea structure

1-Methylurea

CAS#:598-50-5

~65%

5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione Structure

5,5-diethyl-1-m...

CAS#:50-11-3

Literature: Jenny, Christjohannes; Hesse, Manfred Helvetica Chimica Acta, 1981 , vol. 64, # 6 p. 1807 - 1811
N/A structure

N/A

CAS#:129951-99-1

~14%

5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione Structure

5,5-diethyl-1-m...

CAS#:50-11-3

N/A structure

N/A

CAS#:129952-12-1

N/A structure

N/A

CAS#:129952-09-6

Literature: Aoyama, Hiromu; Hatori, Hiroaki Tetrahedron, 1990 , vol. 46, # 11 p. 3781 - 3788
5,5-diethyl-6-imino-1-methyl-1,3-diazinane-2,4-dione structure

5,5-diethyl-6-i...

CAS#:67678-83-5

~%

5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione Structure

5,5-diethyl-1-m...

CAS#:50-11-3

Literature: Conrad; Zart Justus Liebigs Annalen der Chemie, 1905 , vol. 340, p. 339
acide diethyl-5,5 methyl-1 imino-4 barbiturique structure

acide diethyl-5...

CAS#:67678-84-6

~%

5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione Structure

5,5-diethyl-1-m...

CAS#:50-11-3

Literature: Conrad; Zart Justus Liebigs Annalen der Chemie, 1905 , vol. 340, p. 339
Butanoic acid,2-cyano-2-ethyl-, ethyl ester structure

Butanoic acid,2...

CAS#:1619-56-3

~%

5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione Structure

5,5-diethyl-1-m...

CAS#:50-11-3

Literature: Conrad; Zart Justus Liebigs Annalen der Chemie, 1905 , vol. 340, p. 339
barbital structure

barbital

CAS#:57-44-3

methyl iodide structure

methyl iodide

CAS#:74-88-4

~%

5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione Structure

5,5-diethyl-1-m...

CAS#:50-11-3

Literature: Halpern; Jones Journal of the American Pharmaceutical Association (1912-1977), 1949 , vol. 38, p. 352
Hydrochloric acid structure

Hydrochloric acid

CAS#:7647-01-0

5,5-diethyl-2-amino-1-methyl-1H-pyrimidine-4,6-dione structure

5,5-diethyl-2-a...

CAS#:76072-09-8

~%

5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione Structure

5,5-diethyl-1-m...

CAS#:50-11-3

Literature: Majima Chemische Berichte, 1908 , vol. 41, p. 185
Hydrochloric acid structure

Hydrochloric acid

CAS#:7647-01-0

5,5-diethyl-3-methyl-6-methylamino-1H-pyrimidine-2,4-dione structure

5,5-diethyl-3-m...

CAS#:67678-86-8

~%

5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione Structure

5,5-diethyl-1-m...

CAS#:50-11-3

methylamine structure

methylamine

CAS#:74-89-5

Literature: Conrad; Zart Justus Liebigs Annalen der Chemie, 1905 , vol. 340, p. 339

 Customs

HS Code 2933540000
Summary 2933540000 other derivatives of malonylurea (barbituric acid); salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:20.0%

 Synonyms

5,5-Diaethyl-1-methyl-2,4,6-trioxo-hexahydropyrimidin
Metabarbital
Gemonil
Endiemal
5,5-diethyl-N-methyl-barbituric acid
metharbital
N-Methylbarbital
5,5-Diethyl-1-methylbarbitursaeure
Methabarbital
Methylbarbital
1-methyl-5,5-diethylbarbituric acid
Metharbitone
Metharbutal
Endiemalum
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Chemsrc provides CAS#:50-11-3 MSDS, density, melting point, boiling point, structure, etc. Its name is 5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione>> amp version: 5,5-diethyl-1-methyl-1,3-diazinane-2,4,6-trione

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