Diquat (Diquat dibromide) |
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.] |
CAS No. 85-00-7 |
RTECS No. JM5690000 |
DOT ID & Guide 2781 151 (solid)
2782 131 (liquid) |
FormulaC12H12N2Br2 |
Conversion |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 0.5 mg/m3
OSHA PEL†: none |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Dibromide salt: Yellow crystals. [herbicide] [Note: Commercial product may be found in a liquid concentrate or a solution.] |
MW: 344.1 |
BP: Decomposes |
MLT: 635°F |
Sol: 70% |
VP: <0.00001 mmHg |
IP: ? |
Sp.Gr: 1.22-1.27 |
Fl.P: ? |
UEL: ? |
LEL: ? |
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| Combustible Solid, but does not readily ignite and burns with difficulty. |
Incompatibilities & Reactivities Alkalis, UV light, basic solutions [Note: Concentrated diquat solutions corrode aluminum.] |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, mucous membrane, respiratory system; rhinorrhea (discharge of thin nasal 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 |
Target Organs Eyes, skin, respiratory system, kidneys, liver, central nervous system |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 1363
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