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Agrochemicals

Bromacil

CAS: 314-40-9

Overview

Bromacil (CAS 314-40-9 ), also sold under the trade names Hyvar X, Uragan, and Borea, is a uracil-based herbicide used for broad-spectrum weed and brush control.

It targets both annual and perennial weeds through soil uptake and foliar absorption, disrupting photosynthesis in susceptible plants. Bromacil is primarily applied for total vegetation control.

This active ingredient is used on non-crop land, including industrial sites, railway corridors, utility rights-of-way, and roadsides where bare ground maintenance is required for safety.

In citrus and pineapple cultivation, it controls a wide range of grassy and broadleaf weeds without damaging the established crop. Formulators incorporate it into herbicide products.

It can be used as a standalone active or in combination with other actives, such as diuron, to extend the spectrum of control and residual activity in various soil types.

Its soil persistence makes it a preferred choice for long-term vegetation suppression programs in infrastructure maintenance contracts. Bromacil is supplied as a wettable powder (WP).

It is also available as a soluble concentrate and granular formulation for end-use herbicide products. Technical-grade material is available for formulators requiring a bulk active ingredient.

Standard commercial concentrations in finished formulations typically range from 40% to 80% active ingredient depending on the intended application method and specific site requirements.

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Physical Properties

Melting Point157.5-160 °C
Density1.55 g/cm³ @ Temp: 25 °C
AppearanceBromacil is a noncombustible colorless, crystalline solid, which may be dissolved in a flammable liquid.
ColorWhite, tan
FormSolid
Water Solubility0.71g/L(25 ºC)
Vapor Pressure0Pa at 25℃
Refractive Index1.5410 (estimate)
Log P1.71 at 23℃

Safety & Handling

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] H320 Causes eye irritation [Warning Serious eye damage/eye irritation] H335 (62%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] H336 May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects] H351 Suspected of causing cancer [Warning Carcinogenicity] H361 Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity] H370 Causes damage to organs [Danger Specific target organ toxicity, single exposure] H400 Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard] H410 Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Trade & Regulatory

UN Number3077
ADR Class9
Packing GroupIII
Storage Class11 - Combustible Solids
WGK (Germany)2

Other Names

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

Related Products

Chemical Properties

CAS Number
314-40-9
EC Number
206-245-1
Mol. Weight
261.12

Industries

Documentation