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Name	Ethirimol	EINECS	245-949-3
CAS No.	23947-60-6	Density	1.1 g/cm³
PSA	58.04000	LogP	2.33800
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	Melting Point	159-160oC
Formula	C₁₁H₁₉N₃O	Boiling Point	306.2 °C at 760 mmHg
Molecular Weight	209.291	Flash Point	139 °C
Transport Information	N/A	Appearance	White crystal
Safety	36/37	Risk Codes	21
Molecular Structure		Hazard Symbols	Xn
Synonyms	4(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;Milgo;Milgo E;Milstem;Milstem Seed Dressing;NSC 263491;PP 149;

Ethirimol Chemical Properties

CAS NO: 23947-60-6
Molecular Formula: C₁₁H₁₉N₃O
Molecular Weight: 209.29
EINECS: 245-949-3
Mol File: 23947-60-6.mol
Index of Refraction: 1.545
Surface Tension: 36.4 dyne/cm
Density: 1.1 g/cm³
Flash Point: 139 °C
Melting point 159-160 °.
Enthalpy of Vaporization: 54.67 kJ/mol
Boiling Point: 306.2 °C at 760 mmHg
Vapour Pressure: 0.000781 mmHg at 25 °C
Merck : 13,3776
Appearance: White crystal
Water Solubility: Soluble in water 200mg / L at 25 °C
Solubility: Soluble in chloroform, trichlorethylene, acid and alkali solution; slightly soluble in ethanol; practically insoluble in acetone, heat-stable
Molecular Structure of 5-N-Butyl-2-ethylamino-4-hydroxy-6-methyl-pyrimidine (CAS NO.23947-60-6):

IUPAC Name: 5-Butyl-2-(ethylamino)-6-methyl-1H-pyrimidin-4-one
Synonyms: 2-Ethylamino-4-methyl-5-n-butyl-6-hydroxypyrimidine ; 4(1H)-Pyrimidinone, 5-butyl-2-(ethylamino)-6-methyl- ; 4(3H)-Pyrimidinone, 5-butyl-2-(ethylamino)-6-methyl- ; 4(3H)-Pyrimidinone,5-butyl-2-(ethylamino)-6-methyl- ; 5-butyl-2-(ethylamino)-6-methyl-4(1h)-pyrimidinon ; 5-Butyl-2-(ethylamino)-6-methyl-4(1H)-pyrimidinone ; 5-Butyl-2-(ethylamino)-6-methyl-4(1H)-pyrim-idinone ; 5-N-Butyl-2-ethylamino-4-hydroxy-6-methyl-pyrimidine
Product Categories of 5-N-Butyl-2-ethylamino-4-hydroxy-6-methyl-pyrimidine (CAS NO.23947-60-6): Alpha sort;E;E-GAlphabetic;EQ - EZPesticides;Fungicides;Pesticides&Metabolites;Pyrimidines

Ethirimol Uses

5-N-Butyl-2-ethylamino-4-hydroxy-6-methyl-pyrimidine (CAS NO. 23947-60-6) is the internal absorption fungicides that can control powdery mildew in cereals.

Ethirimol Production

5-N-Butyl-2-ethylamino-4-hydroxy-6-methyl-pyrimidine (CAS NO. 23947-60-6) can be derived from reaction of Ethyl guanidine and Ethyl acetylhexanoate in the presence of sodium methanol .

Ethirimol Toxicity Data With Reference

1.	mmo-smc 50 ppm	RSTUDV Rivista di Scienza e Technologia degli Alimenti e di Nutrizione Umana. Review of Science and Technology of Food and Human Nutrition. 6 (1976),161.
2.	orl-rat LD50:4000 mg/kg	28ZEAL Pesticide Index. 5 (1976),106.
3.	skn-rat LD50:>1 g/kg	PEMNDP Pesticide Manual. 9 (1991),345.
4.	par-rat LD50:4 g/kg	DOVEAA Defense des Vegetaux. 26 (1972),5.
5.	orl-mus LD50:4 g/kg	85JFAN “Agrochemicals Handbook,“ with updates, Hartley, D., and H. Kidd, eds., Nottingham, UK, Royal Soc. of Chemistry, 1983-86 A183,83 .
6.	ivn-mus LD50:800 mg/kg	CHINAG Chemistry and Industry.(42),(1969),1512.
7.	unr-mus LD50:4 g/kg	TGANAK Tsitologiya i Genetika. 16 (1)(1982),45.
8.	orl-cat LD50:1000 mg/kg	CHINAG Chemistry and Industry.(42),(1969),1512.
9.	orl-rbt LD50:1000 mg/kg	CHINAG Chemistry and Industry.(42),(1969),1512.
10.	orl-gpg LD50:500 mg/kg	CHINAG Chemistry and Industry.(42),(1969),1512.

Ethirimol Safety Profile

Hazard Codes: Harmful Xn
Risk Statements: 21
R21:Harmful in contact with skin.
Safety Statements: 36/37
S36/37:Wear suitable protective clothing and gloves.
RTECS UW7380000

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