Basic information
- Name:
Metalaxyl
- CAS No.:
57837-19-1
- Molecular Structure:

- Formula:
- C15H21NO4
- Molecular Weight:
- 279.35
- Synonyms:
- Apron;Apron TL;Metaxanin;EPA Pesticide Chemical Code 113501;Alanine,N-(2,6-dimethylphenyl)-N-(methoxyacetyl)-,methyl ester;Ridomil 72WP;N-(2,6-Dimethylphenyl)-N-(methoxyacetyl)-alanine methyl ester;102256-63-3;Ridomil Vino;Methyl N-(2-methoxyacetyl)-N-(2,6-xylyl)-DL-alaninate;Apron 2E;CG 117;Metasyl;Metaxanine;Ridomil;Methyl N-(2,6-dimethylphenyl)-N-(methoxyacetyl)-DL-alaninate;DL-Alanine, N-(2,6-dimethylphenyl)-N-(methoxyacetyl)-, methyl ester (9CI);Ridomil 2E;Metanaxin;Apron FL;CGA 48988;Apron SD 35;IPO-FS;Subdue 2E;Jiashuangling;Subdue;Alanine, N-(methoxyacetyl)-N-(2,6-xylyl)-, methyl ester, DL-;Allegiance;Metalaxil;Subdue 5SP;Span;Metalaxy-M;
- EINECS:
- 260-979-7
- Density:
- 1.117 g/cm3
- Melting Point:
- 72-73 °C
- Boiling Point:
- 394.3 °C at 760 mmHg
- Flash Point:
- 192.3 °C
- Solubility:
- 0.84 g/100 mL in water
- Hazard Symbols:
Xn,
F- Risk Codes:
- 22-43-52/53-36-20/21/22-11
- Safety Description:
- 13-24-37-46-61-36-26-16 Details
- Transport Information:
- UN 1648 3/PG 2
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Chemistry
IUPAC Name: methyl 2-(N-(2-methoxyacetyl)-2,6-dimethylanilino)propanoate
Empirical Formula: C15H21NO4
Molecular Weight: 279.3315g/mol
EINECS: 260-979-7
Structure of Metalaxyl (CAS NO.57837-19-1):

Index of Refraction: 1.527
Molar Refractivity: 76.88 cm3
Molar Volume: 249.8 cm3
Polarizability: 30.48×10-24cm3
Surface Tension: 40.5 dyne/cm
Density: 1.117 g/cm3
Flash Point: 192.3 °C
Enthalpy of Vaporization: 64.43 kJ/mol
Melting point: 72-73 ºC
Boiling Point: 394.3 °C at 760 mmHg
Vapour Pressure: 2E-06 mmHg at 25°C
Water solubility: 0.84 g/100 mL
Product Categories: FUNGICIDE;Amide structureMethod Specific;Endocrine Disruptors (Draft)Alphabetic;EPA;Fungicides;M;META - METH;Pesticides
Canonical SMILES: CC1=C(C(=CC=C1)C)N(C(C)C(=O)OC)C(=O)COC
InChI: InChI=1S/C15H21NO4/c1-10-7-6-8-11(2)14(10)16(13(17)9-19-4)12(3)15(18)20-5/h6-8,12H,9H2,1-5H3
InChIKey: ZQEIXNIJLIKNTD-UHFFFAOYSA-N
Uses
Metalaxyl (CAS NO.57837-19-1) can be used to control Pythium in a number of vegetable crops, and Phytophthora in peas.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | oral | 566mg/kg (566mg/kg) | Journal of Hygiene, Epidemiology, Microbiology, and Immunology. Vol. 35, Pg. 375, 1991. | |
| rat | LD50 | skin | > 3100mg/kg (3100mg/kg) | Pesticide Manual. Vol. 9, Pg. 554, 1991. |
Safety Profile
Hazard Codes:
Xn,
F
Risk Statements: 22-43-52/53-36-20/21/22-11
R22:Harmful if swallowed.
R43:May cause sensitization by skin contact.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R11:Highly flammable.
Safety Statements: 13-24-37-46-61-36-26-16
S13:Keep away from food, drink and animal foodstuffs.
S24:Avoid contact with skin.
S37:Wear suitable gloves.
S46:If swallowed, seek medical advice immediately and show this container or label.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S36:Wear suitable protective clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S16:Keep away from sources of ignition.
RIDADR: UN 1648 3/PG 2
RTECS: AY6910000
Hazardous Substances Data 57837-19-1(Hazardous Substances Data)
Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.
Specification
Metalaxyl , its cas register number is 57837-19-1. It also can be called Allegiance ; Apron ; Apron SD 35 ; Caswell No. 375AA ; D,L-N-(2,6-Dimethylphenyl)-N-(2'-methoxyacetyl)alaninate de methyle ; Metalaxil ; Metanaxin ; Methyl N-(2-methoxyacetyl)-N-(2,6-xylyl)-DL-alaninate ; N-(2,6-Dimethylphenyl)-N-(methoxyacetyl)-alanine methyl ester ; Ridomil ;
Subdue .

