Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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Fomesafen(72178-02-0)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
Fomesafen
Synonyms
5(2-Chloro-a,a,a-trifluoro-p-tolyloxy)-n-mesyl-2-nitrobenzamide
5-[2-Chloro-4-(trifluoromethyl)phenoxy]-N-methylsulfonyl-2-nitrobenzamide
Flex
N-Methanesulfonyl-5-[(2-chloro-a,a,a-trifluoro-4-tolyl)oxy]-2-nitrobenzamide
CAS
72178-02-0
Formula
C15H10ClF3N2O6S
Molecular Weight
438.78
EINECS
276-439-9
RTECS
CV2475000
RTECS Class
Agricultural Chemical and Pesticide
Beilstein/Gmelin
8165046
EC Index Number
604-040-00-5
EC Class
Harmful

Physical and Chemical Properties

Appearance
White crystalline solid.
Solubility in water
50 mg/L at 25 C and pH 7
Melting Point
220-221
Density
1.28 g/cm3 (20 C)
pKa/pKb
2.7 (pKa)
Partition Coefficient
2.9 at pH 1
Usage
Herbicide. Selective annual broadleaf weed killer and has activity on some grass and sedge species.

First Aid Measures

Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
Inhalation
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
Skin
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
Eyes
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Handling and Storage

Storage
Stable in storage for at least 6 months at 50C. Decomposed by light. Resistant to hydrolysis under both acidic and alkaline conditions. Forms water-soluble salts.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Exposure Controls/Personal Protection

Personal Protection
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Exposure Effects
The toxicological properties of this material have not been investigated.

Fire Fighting Measures

Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Accidental Release Measures

Small spills/leaks
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.

Stability and Reactivity

Stability
Stable in storage for at least 6 months at 50 C.
Incompatibilities
Strong oxidizing agents.
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