Diquat (Diquat dibromide)
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CAS
85-00-7
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C12H12N2Br2
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RTECS
JM5690000
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Synonyms & Trade Names
Diquat dibromide; 1,1'-Ethylene-2,2'-bipyridyllium dibromide [Note: Diquat is a cation (C12H12N2++; 1,1'-Ethylene-2,2-bipyridyllium ion). Various diquat salts are commercially available.]
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DOT ID & Guide
2781 / 151 (solid)
2782 / 131 (liquid)
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Exposure
Limits
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NIOSH REL: TWA 0.5 mg/m3
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
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Physical Description
Dibromide salt: Yellow crystals. [herbicide] [Note: Commercial product may be found in a liquid concentrate or a solution.]
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MW: 344.1
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BP: Decomposes
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MLT: 635°F
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Sol: 70%
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VP: <0.00001 mmHg
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IP: ?
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Sp.Gr: 1.22-1.27
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Fl.P: ?
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UEL: ?
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LEL: ?
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Combustible Solid, but does not readily ignite and burns with difficulty.
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Incompatibilities & Reactivities
Alkalis, UV light, basic solutions [Note: Concentrated diquat solutions corrode aluminum.]
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Measurement Methods
None available
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, mucous membrane, respiratory system; rhinorrhea (discharge of thin mucus), epistaxis (nosebleed); skin burns; nausea, vomiting, diarrhea, malaise (vague feeling of discomfort); kidney, liver injury; cough, chest pain, dyspnea (breathing difficulty), pulmonary edema; tremor, convulsions; delayed healing of wounds
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Target Organs
Eyes, skin, respiratory system, kidneys, liver, central nervous system
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