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CAS NO.1910-42-5
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| Paraquat dichloride Basic information |
| Product Name: | Paraquat dichloride |
| Synonyms: | DIMETHYLDIPYRIDYL CHLORIDE;EFOXON;DEXTRONE X(R);'LGC' (1622);GRAMOXONE;GRAMOXONE(R);HERBAXON;ARIAL GRAMOXONE(R) |
| CAS: | 1910-42-5 |
| MF: | C12H14Cl2N2 |
| MW: | 257.16 |
| EINECS: | 217-615-7 |
| Product Categories: | HERBICIDE;Functional Materials;Photochromic Compounds;Pyridinium Compounds;Viologens (Photochromic, Related Compounds);PA - PENPesticides&Metabolites;500 Series Drinking Water Methods;Alpha sort;EPA;Herbicides;Method 549Pesticides&Metabolites;N-PAlphabetic;P;Quaternary amonium salts |
| Mol File: | 1910-42-5.mol |
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| Paraquat dichloride Chemical Properties |
| mp | >300 °C(lit.) |
| density | 1.25 |
| storage temp. | 0-6°C |
| Water Solubility | soluble |
| Merck | 7031 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 1910-42-5(CAS DataBase Reference) |
| EPA Substance Registry System | 4,4'-Bipyridinium, 1,1'-dimethyl-, dichloride(1910-42-5) |
| Safety Information |
| Hazard Codes | T+,N |
| Risk Statements | 24/25-26-36/37/38-48/25-50/53 |
| Safety Statements | 22-28-36/37/39-45-60-61-28A |
| RIDADR | UN 2811 6.1/PG 1 |
| WGK Germany | 3 |
| RTECS | DW2275000 |
| HazardClass | 6.1(a) |
| PackingGroup | II |
| Paraquat dichloride Usage And Synthesis |
| Chemical Properties | off-white powder |
| General Description | Colorless to yellow crystalline solid. Used as a contact herbicide and desiccant. |
| Air & Water Reactions | Water soluble. |
| Reactivity Profile | Paraquat dichloride is stable in acidic media, but unstable in alkaline media. Paraquat dichloride is photochemically decomposed by UV irradiation in aqueous solutions and is rapidly inactivated by soil. The neat chemical may be sensitive to light. Paraquat dichloride is corrosive to metal and Paraquat dichloride can react with strong acids, bases, and oxidizing agents. Paraquat dichloride is hydrolyzed by alkali compounds and Paraquat dichloride is inactivated by inert clays and anionic surfactants. |
| Health Hazard | Can cause death due to severe injury to the lungs. The lowest lethal oral dose reported in humans is 43 mg/kg. |
| Fire Hazard | Avoid strong oxidizers. |