Bromacil

CAS Number
314-40-9
EC Number
206-245-1
Industries: Agriculture

What is Bromacil?

Bromacil (CAS 314-40-9) is a uracil-based herbicide used for broad-spectrum weed and brush control. Also marketed as Hyvar X, Uragan and Borea.

Where is Bromacil used?

  • Non-crop land: industrial sites, railway corridors, utility rights-of-way and roadsides where bare ground maintenance is required for safety
  • Citrus and pineapple cultivation: control of grassy and broadleaf weeds without damaging the established crop
  • Formulation into herbicide products as a standalone active or in combination with other actives such as diuron
  • It targets annual and perennial weeds through soil uptake and foliar absorption, disrupting photosynthesis.

Good to know: Its soil persistence supports long-term vegetation suppression in infrastructure maintenance contracts.

Commercial specifications

  • Standard commercial concentrations in finished formulations typically 40% to 80% active ingredient

Other Names (Synonyms)

Uragan|Hyvar X|Borea|5-Bromo-3-sec-butyl-6-methyluracil|Urox B|Borocil|Cynogan|Hyvarex

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What are the physical properties of Bromacil?

Melting Point 157.5-160 °C
Density 1.55 g/cm³ @ Temp: 25 °C
Appearance Bromacil is a noncombustible colorless, crystalline solid, which may be dissolved in a flammable liquid.
Color White, tan
Form Solid
Water Solubility 0.71g/L(25 ºC)
Vapor Pressure 0Pa at 25℃
Refractive Index 1.5410 (estimate)
Log P 1.71 at 23℃

How is Bromacil classified and handled safely? Learn More

Hazard Statements

H302 Harmful if swallowed [Warning Acute toxicity, oral]
H315 (62%): Causes skin irritation [Warning Skin corrosion/irritation]
H316 Causes mild skin irritation [Warning Skin corrosion/irritation]
H319 (62%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Which trade and regulatory codes apply to Bromacil?

UN Number 3077
ADR Class 9
Packing Group III
Storage Class 11 - Combustible Solids
WGK (Germany) 2
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