ethirimol

Modify Date: 2025-08-20 20:57:10

ethirimol Structure
ethirimol structure
 Common Name ethirimol
CAS Number 23947-60-6 Molecular Weight 209.288
Density 1.1±0.1 g/cm3 Boiling Point 365.7±34.0 °C at 760 mmHg
Molecular Formula C11H19N3O Melting Point 159-160ºC
MSDS Chinese USA Flash Point 174.9±25.7 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name ethirimol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 365.7±34.0 °C at 760 mmHg
Melting Point 159-160ºC
Molecular Formula C11H19N3O
Molecular Weight 209.288
Flash Point 174.9±25.7 °C
Exact Mass 209.152817
PSA 58.04000
LogP 2.53
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.560
InChIKey BBXXLROWFHWFQY-UHFFFAOYSA-N
SMILES CCCCc1c(C)nc(NCC)[nH]c1=O

 Toxicological Information

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

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H312
Precautionary Statements P280
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn
Risk Phrases R21
Safety Phrases S36/37
RIDADR NONH for all modes of transport
RTECS UW7380000
HS Code 2933599018

 Synthetic Route

Butyraldehyde structure

Butyraldehyde

CAS#:123-72-8

2-Ethylamino-6-methyl-4-pyrimidinol structure

2-Ethylamino-6-...

CAS#:5734-69-0

~%

ethirimol Structure

ethirimol

CAS#:23947-60-6

Literature: US3947440 A1, ;
1-ETHYLGUANIDINE structure

1-ETHYLGUANIDINE

CAS#:503-69-5

Ethyl 2-acetylhexanoate structure

Ethyl 2-acetylh...

CAS#:1540-29-0

~%

2-amino-5-butyl-3-ethyl-6-methylpyrimidin-4-one structure

2-amino-5-butyl...

CAS#:36946-02-8

ethirimol Structure

ethirimol

CAS#:23947-60-6

Literature: Revue Roumaine de Chimie, , vol. 36, # 4-7 p. 665 - 670

 Customs

HS Code 2933599018
Summary 2933599018 5-butyl-2-(ethylamino)-6-methylpyrimidin-4-yl dimethylsulfamate

 Articles4

More Articles
Selective solid-phase extraction using molecularly imprinted polymer as a sorbent for the analysis of fenarimol in food samples.

Food Chem. 199 , 870-5, (2016)

In the present communication, a non-covalent fenarimol-imprinted polymer was synthesized by precipitation polymerization technique using methacrylic acid (MAA) as a functional monomer, ethylene glycol...

[Chromatographic determination of Milgo in water, soil, and plants].

Gig. Sanit. (6) , 69-70, (1980)

Pressurised fluid extraction of bupirimate and ethirimol from aged soils.

J. Chromatogr. A. 918(2) , 429-33, (2001)

This paper assesses the effect of pressurised fluid extraction (PFE) on the recovery of bupirimate and its degradation product, ethirimol from a range of soil types. The analytes were extracted under ...

 Synonyms

New milstem
T6VN DMJ CM2 E1 F4
5-butyl-2-ethylamino-6-methylpyrimidin-4-ol
5-Butyl-2-(ethylamino)-4-hydroxy-6-methylpyrimidine
2-ethylamino-6-methyl-5n-butyl-4-hydroxypyrimidine
5-n-butyl-2-ethylamino-4-hydroxy-6-methyl-pyrimidine
5-Butyl-2-(ethylamino)-6-methylpyrimidin-4(1H)-on
2-ethylamino-4-methyl-5-n-butyl-6-hydroxypyrimidine
T6N CNJ BM2 DQ E4 F1
5-Butyl-2-(ethylamino)-6-methyl-4(1H)-pyrimidinone
Ethirimal
EINECS 245-949-3
4-Pyrimidinol, 5-butyl-2-(ethylamino)-6-methyl-
MILSTEM
5-butyl-2-(ethylamino)-6-methylpyrimidin-4-ol
Ethyrimol
MFCD00055519
Ethrimiol
5-Butyl-2-(ethylamino)-6-methyl-4-pyrimidinol (8CI)
Milstem seed dressing
Milgo E
5-butyl-2-(ethylamino)-6-methyl-1H-pyrimidin-4-one
Milgo
ethirimol
5-butyl-2-ethylamino-6-methyl-3H-pyrimidin-4-one
T6VM DNJ CM2 E1 F4
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