Looking for the definition of DMG? Find out what is the full meaning of DMG on Abbreviations.com! 'Duel Masters Guide' is one option - get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. Learn more about Dimethylglycine (Dmg) uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Dimethylglycine (Dmg).
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ECHA InfoCard | 100.002.201 |
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CompTox Dashboard(EPA) | |
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Properties | |
C4H8N2O2 | |
Molar mass | 116.120 g·mol−1 |
Appearance | White/Off White Powder |
Density | 1.37 g/cm3 |
Melting point | 240 to 241 °C (464 to 466 °F; 513 to 514 K) |
Boiling point | decomposes |
low | |
Structure | |
0 | |
Hazards | |
Main hazards | Toxic, Skin/Eye Irritant |
Safety data sheet | External MSDS |
GHS pictograms | |
GHS Signal word | Danger |
H228, H301 | |
P210, P240, P241, P264, P270, P280, P301+310, P321, P330, P370+378, P405, P501 | |
NFPA 704 (fire diamond) | |
Related compounds | |
Hydroxylamine salicylaldoxime | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
verify (what is ?) | |
Infobox references |
Dimethylglyoxime is a chemical compound described by the formula CH3C(NOH)C(NOH)CH3. Its abbreviation is dmgH2 for neutral form, and dmgH for anionic form, where H stands for hydrogen. This colourless solid is the dioxime derivative of the diketone butane-2,3-dione (also known as diacetyl). DmgH2 is used in the analysis of palladium or nickel. Its coordination complexes are of theoretical interest as models for enzymes and as catalysts. Many related ligands can be prepared from other diketones, e.g. benzil.
Preparation[edit]
Dimethylglyoxime can be prepared from butanone first by reaction with ethyl nitrite to give biacetyl monoxime. The second oxime is installed using sodium hydroxylamine monosulfonate:[1]
Complexes[edit]
Dimethylglyoxime is used to detect and quantify nickel, which forms the bright red complex nickel bis(dimethylglyoximate) (Ni(dmgH)2). The reaction was discovered by L. A. Chugaev in 1905.[2] How do i open dmg files on my mac.
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Cobalt complexes have also received much attention. In chloro(pyridine)cobaloxime[3] the macrocycle [dmgH]22− mimics the macrocyclic ligand found in vitamin B12.
Obtained from easy Nightmare Missions, which can be found on Mercury, Venus, Earth and Mars. Can be combined with Chilling Grasp and Frigid Blast for a total of +210% additional Cold damage. Can be combined with Tactical Pump and Seeking Fury for a maximum 85% reload speed bonus, granting an approximate 46% reduction of reload time. Sep 13, 2018 so at the moment there are 3 shotgun reload mods: Tactical pump gives: 30% reload speed Seeking fury gives: +15% reload speed and +1.2 punch trough Chilling reload gives: +40% reload speed and +60% cold. Now my question is why would anyone use Tactical pump over Seeking fury of Chilling reload? Cold dmg reload speed mod.
Structure of chloro(pyridine)cobaloxime.
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References[edit]
- ^Semon, W. L.; Damerell, V. R. (1930). 'Dimethylglyoxime'. Organic Syntheses. 10: 22. doi:10.15227/orgsyn.010.0022.CS1 maint: multiple names: authors list (link)
- ^Lev Tschugaeff (1905). 'Über ein neues, empfindliches Reagens auf Nickel'. Berichte der Deutschen Chemischen Gesellschaft. 38 (3): 2520–2522. doi:10.1002/cber.19050380317.
- ^Girolami, G. S.; Rauchfuss, T.B.; Angelici, R. J. (1999). Synthesis and Technique in Inorganic Chemistry: A Laboratory Manual (3rd ed.). pp. 213–215.
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