4(3H)-Pyrimidinone,5-butyl-2-(ethylamino)-6-methyl- cas no:23947-60-6

Name4(3H)-Pyrimidinone,5-butyl-2-(ethylamino)-6-methyl-
CAS23947-60-6
Synonyms4(1H)-Pyrimidinone,5-butyl-2-(ethylamino)-6-methyl- (9CI);5-Butyl-2-(ethylamino)-6-methyl-4(3H)pyrimidinone;5-Butyl-2-ethylamino-6-hydroxy-4-methylpyrimidine;ETH 560;Ethirimol;Milgo;Milgo E;Milstem;Milstem Seed Dressing;NSC 263491;PP 149;
EINECS(EC#)245-949-3
Molecular FormulaC₁₁H₁₉N₃O
Molecular Weight209.2882

AppearanceWhite crystal
refractive index1.545

Hazard Xn
Risk R21

CHEMICAL IDENTIFICATION

RTECS NUMBER :

UW7380000

CHEMICAL NAME :

4(1H)-Pyrimidinone, 5-butyl-2-(ethylamino)-6-methyl-

CAS REGISTRY NUMBER :

23947-60-6

LAST UPDATED :

199612

DATA ITEMS CITED :

10

MOLECULAR FORMULA :

C11-H19-N3-O

MOLECULAR WEIGHT :

209.33

WISWESSER LINE NOTATION :

T6N CNJ BM2 DQ E4 F1

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 :

4 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 :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>1 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 :

Parenteral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

4 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 - mouse

DOSE/DURATION :

4 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 :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

800 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 :

Unreported

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

4 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 :

Mammal - cat

DOSE/DURATION :

1 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 - rabbit

DOSE/DURATION :

1 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 :

Bird - chicken

DOSE/DURATION :

4 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :

Mutation in microorganisms

TEST SYSTEM :

Yeast - Saccharomyces cerevisiae

DOSE/DURATION :

50 ppm

REFERENCE :

RSTUDV Rivista di Scienza e Technologia degli Alimenti e di Nutrizione Umana. Review of Science and Technology of Food and Human Nutrition. (Bologna, Italy) V.5-6, 1975-76. Discontinued. Volume(issue)/page/year: 6,161,1976