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CAS No. 143390-89-0 Density 1.1 g/cm3
Solubility 2 mg/L (20 °C ) in water Melting Point 98-100 °C
Formula C18H19NO4 Boiling Point 429.4 °C at 760 mmHg
Molecular Weight 313.35 Flash Point 171.2 °C
Transport Information UN 3077 9/PG 3 Appearance
Safety 2-36/37-60-61 Risk Codes 40-50/53
Molecular Structure Molecular Structure of 143390-89-0 (Kresoxim-methyl) Hazard Symbols HarmfulXn,DangerousN

Bas 490F;Methyl (E)-alpha-(methoxyimino)-2-((2-methylphenoxy)methyl)benzeneacetate;BAS 490 F;Benzeneacetic acid,R-(methoxyimino)-2-[(2- methylphenoxy)methyl]-,methyl ester,(RE)-;Methyl (E)-2-methoxyimino-(2-(o-tolyloxymethyl)Phenyl)Acetate;Kresoxim methyl;


Kresoxim-methyl Chemical Properties

Molecular Structure of Kresoxim-methyl (CAS NO.143390-89-0):

IUPAC Name: Methyl (2E)-2-methoxyimino-2-[2-[(2-methylphenoxy)methyl]phenyl]acetate
Molecular Formula: C18H19NO4
Molecular Weight: 313.35 g/mol
Density: 1.1 g/cm3
Melting Point: 98-100 °C
Boiling Point: 429.4 °C  at 760 mmHg
Flash Point: 171.2 °C
Water Solubility: 2 mg/L (20 °C )
Storage Temp: 0-6 °C 
Index of Refraction: 1.53
Molar Refractivity: 87.92 cm3
Molar Volume: 284.1 cm3
Surface Tension: 36.8 dyne/cm 
XLogP3-AA: 4.1
H-Bond Acceptor: 5
Rotatable Bond Count: 7
Exact Mass: 313.131408
MonoIsotopic Mass: 313.131408
Topological Polar Surface Area: 57.1
Heavy Atom Count: 23 
InChI: InChI=1S/C18H19NO4/c1-13-8-4-7-11-16(13)23-12-14-9-5-6-10-15(14)17(19-22-3)18(20)21-2/h4-11H,12H2,1-3H3/b19-17+
Product Categories of Kresoxim-methyl (CAS NO.143390-89-0): Agricultural chemicals(bactericide)

Kresoxim-methyl Toxicity Data With Reference


orl-rat LD50:5000 mg/kg

    FEREAC    Federal Register. 64 (1999),31130.

skn-rat LD50:2000 mg/kg

    FEREAC    Federal Register. 64 (1999),31130.

ihl-rat LC50:5.6 g/m3

    FEREAC    Federal Register. 64 (1999),31130.

Kresoxim-methyl Safety Profile

Hazard Codes: HarmfulXn, DangerousN
Risk Statements: 40-50/53 
R40:Limited evidence of a carcinogenic effect. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 2-36/37-60-61 
S2:Keep out of the reach of children. 
S36/37:Wear suitable protective clothing and gloves. 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN3077 9/PG 3
Moderately toxic by skin contact. Low toxicity by ingestion and inhalation. Questionable carcinogen with experimental data reported. When heated to decomposition it emits toxic vapors of NOx.

Kresoxim-methyl Specification

 Kresoxim-methyl (CAS NO.143390-89-0) is also named as Bas 490F ; HSDB 7020 ; Methyl (E)-alpha-(methoxyimino)-2-((2-methylphenoxy)methyl)benzeneacetate ; Benzeneacetic acid, alpha-(methoxyimino)-2-((2-methylphenoxy)methyl)-, methyl ester, (E)- .

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