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Bromoxynil

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Bromoxynil Basic information

Product Name:
Bromoxynil
CAS:
1689-84-5
MF:
C7H3Br2NO
MW:
276.91
EINECS:
216-882-7
Mol File:
1689-84-5.mol
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Bromoxynil Chemical Properties

Melting point:
189-191 °C(lit.)
Boiling point:
265.6±40.0 °C(Predicted)
Density 
2.0926 (rough estimate)
refractive index 
1.6400 (estimate)
storage temp. 
0-6°C
pka
4.06(at 25℃)
form 
Solid
color 
Buff, Creamy
Water Solubility 
0.13 G/L (25 ºC)
Merck 
13,1426
BRN 
2364039
CAS DataBase Reference
1689-84-5(CAS DataBase Reference)
NIST Chemistry Reference
Benzonitrile, 3,5-dibromo-4-hydroxy-(1689-84-5)
EPA Substance Registry System
Bromoxynil (1689-84-5)
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Safety Information

Hazard Codes 
T+,N
Risk Statements 
25-26-43-50/53-63
Safety Statements 
27/28-36/37-45-60-61-63-28A-28-27
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
3
RTECS 
DI3150000
HazardClass 
6.1(b)
PackingGroup 
III
Toxicity
LD50 orally in mice: 111 mg/kg (Carpenter, 1964)

MSDS

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Bromoxynil Usage And Synthesis

Chemical Properties

Off-white to salmon crystalline powder

Chemical Properties

Bromoxynil is a colorless to white crystalline solid or tan powder. Odorless (pure).

Uses

Bromoxynil is a nitrile herbicide. Bromoxynil is effective in post-emergent control of broad leaf weeds in cereal, corn, sorghum, onions, flax, mint, turf, and on non-cropland.

Uses

Selective contact foliage-applied herbicide used to control many broad-leaved weeds in cereals.

Definition

ChEBI: A dibromobenzene that is 2,6-dibromophenol substituted by a cyano group at position 4.

General Description

Colorless solid. Melting point 382-384°F (194-195°C). Sublimes at 275°F (135°C) under pressure of 0.15 mm Hg. Used as a herbicide.

Reactivity Profile

Bromoxynil is a weak acid.

Hazard

Toxic.

Agricultural Uses

Herbicide: A U.S. EPA restricted Use Pesticide (RUP). For post-emergent control of broadleaf weeds. Used on alfalfa, garlic, corn, sorghum, flax, cereals, turf and on pasture and rangelands.

Trade name

BRIOTRIL®; BRUCIL®; BRITTOX®; BROMINAL®; BROMINEX®; BROMINAL®; BROMINAL ME-4®; BROMINIL®; BROMILIL PLUS®; Bromox 2E; BROMOTRIL®; BROMOXYNIL NITRILE HERBICIDE®; BRONATE®; BROXYNIL®; BUCTRIL® Bromoxynil; BUCTRIL® GEL HERBICIDE (octanoate); BUCTRIL® 4EC GEL (mixture of bromoxynil octanoate + bromoxynil heptanoate); BUCTRIL INDUSTRIAL®; CHIPCO BUCTRIL®; CHIPCO CRAB-KLEEN®; FLAGON®, 400 EC; HOBANE®; LABUCTRIL®; LITAROL®; M&B 10064®; MB 10064®; MB 10731® (octanoate); M&B 10731®; ME4 BROMINAL®; MERIT®; MEXTROL-BIOX®; MOXY 2E®; NCR CE EE DOV7® (octanoate); NU-LAWN WEEDER®; OXYTRIL M®; PARDNER®; SABRE®; TORCH®

Potential Exposure

Bromoxynil is a hydroxybenzonitrile herbicide used for postemergent control of broadleaf weeds; on alfalfa, garlic, corn, sorghum, flax, cereals, turf and on pasture and rangelands. A United States Environmental Protection Agency RUP.

Environmental Fate

Biological. Duke et al. (1991) reported that bromoxynil can be converted to 3,5- dibromo-4-hydroxybenzoic acid by a microbial nitrolase.
Soil. In soils, Klebsiella pneumoniae metabolized bromoxynil to 3,5-dibromo-4- hydroxybenzoic acid and ammonia (McBride et al., 1986). In soil, bromoxynil undergoes nitrile and then amide hydrolysis yielding 3,5-dibromo-4-hydroxybenzoic acid and
Nitrification in soils is inhibited when bromacil is applied at a concentration of <50 ppm (Debona and Audus, 1970). The half-life in soil is approximately 10 days (Hartley and Kidd, 1987).
Plant. In plants, the cyano group is hydrolyzed to an amido group which is subsequently oxidized to a carboxylic acid. Hydrolyzes to hydroxybenzoic acid (Hartley and Kidd, 1987). In plants, bromoxynil may hydrolyze to a benzoic acid (Humburg et al., 1989). Bromoxynil-resistant cotton was recently developed by inserting a bxn gene cloned from the soil bacterium Klebsiella ozaenae. This gene, which encodes a specific nitrolase, converted bromoxynil to its primary metabolite 3,5-dibromo-4-hydroxybenzoic acid (Stalker et al., 1988).
Chemical/Physical. Emits toxic fumes of nitrogen oxides and bromine when heated to decomposition (Sax and Lewis, 1987). Reacts with bases forming water-soluble salts (Worthing and Hance, 1991). Bromacil is stable to UV light (Hartley and Kidd, 19

Shipping

UN2588 Pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1—Poisonous materials, Technical Name Required.

Incompatibilities

A weak acid; keep away from bases and alkalies. React with boranes, alkalies, aliphatic amines, amides, nitric acid, sulfuric acid. Keep away from oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.) and strong acids.

Waste Disposal

Do not discharge into drains or sewers. Dispose of waste material as hazardous waste using a licensed disposal contractor to an approved landfill. Incineration with effluent gas scrubbing is recommended. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. If allowed, Incineration with effluent gas scrubbing is recommended. Containers must be disposed of properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

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BromoxynilSupplierMore

J & K SCIENTIFIC LTD.
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010-82848833- ;010-82848833-
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TAIYUAN RHF CO.,LTD.
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+86 351 7031519
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sales@RHFChem.com
Beijing dtftchem Technology Co., Ltd.
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13651141086; 86(10)60275028、60275820
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dtftchem@sina.com
Capot Chemical Co., Ltd
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+86 (0) 571 85 58 67 18
Email:
sales@capotchem.com
Beijing Ouhe Technology Co., Ltd
Tel:
010-82967028-
Email:
2355560935@qq.com
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