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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Propyzamide(23950-58-5)

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
Propyzamide
Synonyms
3,5-Dichloro-n-(1,1-dimethyl-2-propynyl)benzamide
3,5-Dichloro-n-(1,1-dimethylpropynyl)benzamide
Clanex
N-(1,1-Dimethylpropynyl)-3,5-dichlorobenzamide
Pronamid
Propyzamide
CAS
23950-58-5
Formula
C12H11Cl2NO
Molecular Weight
256.13
EINECS
245-951-4
RTECS
CV3460000
RTECS Class
Agricultural Chemical and Pesticide; Tumorigen
Merck
12,8058
Beilstein/Gmelin
882391
EC Index Number
616-055-00-4
EC Class
Carcinogenic Category 3; Dangerous for the Environment

Physical and Chemical Properties

Appearance
White solid.
Solubility in water
15 mg/L (25 C)
Melting Point
155
Boiling Point
321
Vapor Pressure
8E-5 (25 C)
pKa/pKb
12.30 (pKa)
Partition Coefficient
3.43
Heat Of Vaporization
58.5 kJ/mol
Usage
Selective herbicide that will control many broadleaf & grass weeds preemergence in lettuce and other crops.

First Aid Measures

Ingestion
The possible benefit of early removal of some ingested material by cautious gastric lavage must be weighed against potential complications of bleeding or perforation. Activated charcoal activated charcoal binds most toxic agents and can decrease their systemic absorption if administered soon after ingestion. Activated charcoal: administer charcoal as a slurry (240 ml water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents.
Inhalation
Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with beta2 agonist and corticosteroid aerosols.
Skin
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
Eyes
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Handling and Storage

Storage
No special storage problems under normal ambient conditions. In a two-year storage trial under normal conditions, there was no decomposition. Storage at high temperature should be avoided.
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
. General percautions: take special care to avoid contact with the eyes, skin, or clothing. Wash clothing and gloves after use. Protective clothing: the following items of clothing are required when mixing or applying pronamide: a) long-sleeved shirts and long pants, preferably one piece (overalls). B) hat with brim. C) heavy duty fabric or rubber work gloves.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Exposure Effects
The toxicological properties of this material have not been investigated.
Poison Class
-

Fire Fighting Measures

Flash Point
160
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.
Fire Potential
Flammability not a problem.

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
No decomp in 2-yr storage trial under normal conditions.
Incompatibilities
Strong oxidizing agents.
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