Amitrole

CAS Number

61-82-5

EC Number

200-521-5

What is Amitrole?

Amitrole (CAS 61-82-5) is a non-selective herbicide used in agriculture to control annual and perennial weeds. Also marketed as Vorox, Simazol and Ramizol.

Where is Amitrole used?

Non-agricultural land: weed control on railway corridors, roadsides and industrial sites
Orchard and vineyard management: suppression of persistent perennial weeds between rows without soil incorporation
Pre-clearance programs: targets grasses and broadleaf weeds
Formulators of herbicide concentrates source this active ingredient for liquid and soluble formulations.

Commercial specifications

Standard technical purity grades with defined active substance specification
Packaging scaled to industrial and formulation-scale procurement volumes

Other Names (Synonyms)

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What are the physical properties of Amitrole?

Melting Point 159 °C

Boiling Point 260 °C

Density 1.138 x 10<sup>-3</sup> g/cm³ @ Temp: 20 °C

Appearance Amitrole is a colorless to off-white crystalline solid or white powder. Odorless when pure.

Color White to off-white or yellow

Form Powder or Flakes

Water Solubility 280 g/L (20 ºC)

Vapor Pressure <0.1 hPa (20 °C)

Refractive Index 1.6260 (estimate)

pH 6.4-7.4 (100g/l, H2O, 20℃)

Log P -0.860

How is Amitrole classified and handled safely? Learn More

Warning

GHS08· Health Hazard GHS09· Environmental Hazard GHS07· Irritant

Hazard Statements

H302 Harmful if swallowed

H316 Causes mild skin irritation

H317 May cause an allergic skin reaction

H320 Causes eye irritation

Precautionary Statements

P203 Obtain, consult and follow expert instructions for use.

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P264 Wash … thoroughly after handling.

Which trade and regulatory codes apply to Amitrole?

HS Code 29339990

UN Number 3077

ADR Class 9

Packing Group III

Storage Class 11 - Combustible Solids

WGK (Germany) 2