20354-26-1

Basic information

• Product Name: METHAZOLE
• Synonyms: 2-(3,4-DICHLOROPHENYL)-4-METHYL-1,2,4-OXADIAZOLIDINE-3,5-DIONE;METHAZOLE;1,2,4-Oxadiazolidine-3,5-dione, 2-(3,4-dichlorophenyl)-4-methyl-;2-(3,4-dichlorophenyl)-4-methyl-1,2,4-oxadiazolidinedione;4-oxadiazolidine-3,5-dione,2-(3,4-dichlorophenyl)-4-methyl-2;Bioxone;Chlormethazole;Metazol
• CAS NO: 20354-26-1
• Molecular Formula: C₉H₆Cl₂N₂O₃
• Molecular Weight: 261.06
• EINECS: 243-761-6
• Mol File: 20354-26-1.mol
• Article Data: 3

Chemical Properties

• Melting Point: 123-124°
• Boiling Point: 348.7 °C at 760 mmHg
• Flash Point: 164.7 °C
• Appearance: /
• Density: 1.2400
• Vapor Pressure: 4.94E-05mmHg at 25°C
• Refractive Index: 1.6100 (estimate)
• Storage Temp.: 0-6°C
• PKA: -2.16±0.20(Predicted)
• Water Solubility: 1.5mg/L(25 oC)
• CAS DataBase Reference: METHAZOLE(CAS DataBase Reference)
• NIST Chemistry Reference: METHAZOLE(20354-26-1)
• EPA Substance Registry System: METHAZOLE(20354-26-1)

Safety Data

• Hazard Codes: Xn,N
• Statements: 21/22-36/38-51/53
• Safety Statements: 36/37-61
• Hazardous Substances Data: 20354-26-1(Hazardous Substances Data)

Usage

Uses

Different sources of media describe the Uses of 20354-26-1 differently. You can refer to the following data:
1. Herbicide.
2. Methazole is an herbicide used on fungus in the protection of crops.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.

General Description

Colorless crystals to light tan solid. Non corrosive. Herbicide.

Air & Water Reactions

Hydrolyzed by strong acids and bases.

Reactivity Profile

MEETHAZOLE is an oxadiazole.

Safety Profile

Moderately toxic by ingestion.When heated to decomposition it emits very toxic fumesof Cl-and NOx.

InChI:InChI=1/C9H6Cl2N2O3/c1-12-8(14)13(16-9(12)15)5-2-3-6(10)7(11)4-5/h2-4H,1H3

Relevant articles and documents

Substituted pyridinesulfonamide compound or its salt, process for preparing the same, and herbicide containing the same

A substituted pyridinesulfonamide compound or its salt represented by the following general formula (I): STR1 wherein A is CH or N; when A is CH, R1 and R2 may be either each independently a member selected from the group consisting of unsubstituted or substituted alkyl groups, unsubstituted or substituted alkenyl groups, unsubstituted or substituted cycloalkyl groups, and unsubstituted or substituted phenyl groups; when A is N, R1 is an unsubstituted or substituted alkyl group, R2 is an unsubstituted or substituted alkyl group, or an unsubstituted or substituted alkoxy group; and X and Y are each independently a member selected from the group consisting of alkyl groups and alkoxy groups, is disclosed. This compound is useful as the effective ingredient of a herbicide showing a wide weed-control spectrum even if used in a small amount.

5,6-Dihydro-1,2,4,6-thiatriazin-5-one-1,1-dioxides

5,6-Dihydro-1,2,4,6-thiatriazin-5-one-1,1-dioxides of the formula STR1 where R1 is hydrogen, a metal atom or an unsubstituted or substituted ammonium radical, R2 is a saturated or unsaturated straight-chain aliphatic radical of up to 10 carbon atoms, a cycloaliphatic radical or 3 to 7 carbon atoms, a branched saturated or unsaturated aliphatic radical of 3 to 10 carbon atoms, a halogen-, alkoxy- or alkylmercapto-substituted aliphatic radical of 2 to 10 carbon atoms tetrahydrofuryl substituted methyl, a cycloalkoxy-substituted aliphatic radical of 4 to 10 carbon atoms, unsubstituted or halogen-substituted benzyl or phenyl, halophenyl, or alkylphenyl of a total of up to 10 carbon atoms, R3 is hydrogen, a straight-chain aliphatic radical of up to 10 carbon atoms, a cycloaliphatic radical of 3 to 7 carbon atoms, a branched aliphatic radical of 3 to 10 carbon atoms, haloalkyl, or alkoxyalkyl of 2 to 10 carbon atoms and X is oxygen and may also be sulfur if R2 is unsubstituted or halogen-substituted benzyl, processes for their preparation, and herbicides containing the above compounds.