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Ethirimol

Ethirimol structure

CAS No:
23947-60-6
Formula:
C11H19N3O
Chemical Name:
Ethirimol
Synonyms:
4(3H)-Pyrimidinone,5-butyl-2-(ethylamino)-6-methyl-;4(1H)-Pyrimidinone,5-butyl-2-(ethylamino)-6-methyl-;5-Butyl-2-(ethylamino)-6-methyl-4(3H)-pyrimidinone;Milstem;PP 149;Ethirimol;Milgo;5-Butyl-2-ethylamino-6-hydroxy-4-methylpyrimidine;Milgo E;Milstem Seed Dressing;ETH 560;NSC 263491;19810-56-1;1135443-57-0
Categories:
Agrochemicals > Fungicides

Description

ChEBI: An aminopyrimidine that is 2-ethylaminopyrimidin-4-one carrying butyl and methyl substituents at positions 5 and 6 respectively. A fungicide first marketed in 1970 and used as a seed treatment for diseaases such as damping-off, it is not licensed for use w thin the European Union.

Ethirimol is an aminopyrimidine that is 2-ethylaminopyrimidin-4-one carrying butyl and methyl substituents at positions 5 and 6 respectively. A fungicide first marketed in 1970 and used as a seed treatment for diseaases such as damping-off, it is not licensed for use within the European Union. It has a role as an antifungal agrochemical. It is an aminopyrimidine, a pyrimidone, a secondary amino compound and a pyrimidine fungicide.

Ethirimol Basic Attributes

Molecular Weight：

209.29

Exact Mass：

209.29

EC Number：

245-949-3

UNII：

ZFF86Y4NA6

NSC Number：

263491

DSSTox ID：

DTXSID6041927

HScode：

2933599018

Characteristics

PSA：

53.5

XLogP3：

2.53

Appearance：

White crystal

Density：

1.1±0.1 g/cm3

Melting Point：

160 °C

Boiling Point：

365.7±34.0 °C at 760 mmHg

Flash Point：

174.9±25.7 °C

Refractive Index：

1.560

Water Solubility：

253 mg l -1 (pH 5.2), 150 mg l -1 (pH 7.3), 153 mg l -1 (pH 9.3) at 20 °C

Vapor Pressure：

2.7 x 10 -4 Pa at 25 °C

Toxicity：

Oral-Rat LD50: 4000 mg/kg; Oral-Mouse LD50: 4000 mg/kg

Flammability characteristics：

Combustion produces toxic nitrogen oxide gas

Collision Cross Section：

150.65 Å² [M+H]+ [CCS Type: TW]

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

safety instructions：

36/37

RTECS Number：

UW7380000

Marks：

Storage features：

Warehouse ventilated, low temperature and dry

Precautionary statement(s)：

P280

Hazard Statements：

H312

GHS Classification：

|Warning|H312: Harmful in contact with skin [Warning Acute toxicity, dermal]|P280, P302+P352, P312, P322, P363, and P501|H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]|Aggregated GHS information provided by 197 companies from 2 notifications to the ECHA C&L Inventory.

Toxicity

Toxicity class：

moderately toxic

Drug Information

MeSH Entry Terms：

5-butyl-2-ethylamino-4-hydroxy-6-methylpyrimidine

Ethirimol Use and Manufacturing

Methods of Manufacturing

By ethyl guanidine and n-butyl acetoacetate in the presence of sodium methoxide reaction.

Uses

Fungicide.

Use Classification：

Agrochemicals -> Fungicides|Environmental transformation -> Pesticide transformation products (metabolite, successor)

Agrochemical：

Ethirimol is a known environmental transformation product of Bupirimate.

Computed Properties

Molecular Weight:209.29
XLogP3:1.7
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:5
Exact Mass:209.152812238
Monoisotopic Mass:209.152812238
Topological Polar Surface Area:53.5
Heavy Atom Count:15
Complexity:305
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Ethirimol

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