Iodoform

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\( \newcommand\) • The haloform reaction is the reaction of a methyl ketone with chlorine, bromine, or iodine in the presence of hydroxide ions to give a carboxylate ion and a haloform. There is one aldehyde that undergoes the haloform reaction, which is acetaldehyde. eg: mechanism: When the halogen used is iodine, the haloform reaction can be used to identify methyl ketones because iodoform is a yellow solid with a characteristic odor. The test is known as the iodoform test. Alcohols that have the general structural formula 1 also give a positive iodoform test because, under the reaction conditions, they are oxidized (see oxidation) to the corresponding methyl ketone, or, in the case of ethanol to acetaldehyde, which is the only aldehyde that undergoes haloform reaction. R = H, alkyl, aryl

When a wound is deep, or when it tunnels under the skin, packing the wound can help it heal. The packing material absorbs any drainage from the wound, which helps the tissues heal from the inside out. Without the packing, the wound might close at the top, without healing at the deeper areas of the wound. Does iodoform packing contain iodine? Contents • Does iodoform packing contain iodine? • When do you use packing strips? • Should wound packing be wet or dry? • Does getting packing removed hurt? • How often should iodoform packing be changed? • How do you get rid of wound packing painlessly? • What problems can packing a wound too full create? • How do you pack a wound to dry it out? • How long does it take for a deep wound to heal? • Can you take a shower with a packed wound? • Do deep wounds heal from the inside out? • What type of reaction is iodoform? • How do you pack a wound with packing strips? • How do you tell if a wound is healing or infected? • Does packing an abscess hurt? • What happens if packing comes out of cyst? • How do you change a wound packing? • Can you breathe with nasal packing? • Can you remove nose packing yourself? • How long should nasal packing stay in? • When should you not use a wet to dry dressing? For the external treatment of infected wounds, cadexomer iodine ointments/external powder preparations, 121,122 povidone iodine sugar, 123,124 iodinecontaining ointment 125 and iodoform gauze, 126 which contain iodine with strong antibacterial ac...

Iodoform The iodoform gauze is removed and reinserted every 12 to 24 hours by either the patient or a caregiver. From: Essential Clinical Procedures (Second Edition), 2007 Related terms: • Tincture of Iodine • Patient • Antibiotic Agent • Device Material • Abscess • Catheter • Sodium Chloride • Incision B.W. Darvell DSc CChem CSci FRSC FIM FSS FADM, in Materials Science for Dentistry (Tenth Edition), 2018 •1.6Iodoform Iodoform (HCI 3) is an analogue of chloroform (HCCl 3) but with rather different properties. It is a pale yellow, somewhat oily solid at ordinary temperatures. It has long been used as an external disinfectant and wound dressing in general medical contexts, [24] although it is now uncommon for a variety of reasons. It is incorporated in a number of endodontic products. It has no internal medical value, despite old usage. Its disinfectant properties may be due to reactions with olefins, and thus to unsaturated lipids, interfering with cell membranes as for iodine, but it is also a weak oxidising agent and so can affect many other cellular and microbial functions. Some reactions may release iodine, although this is not by hydrolysis. It is only slightly soluble in water (100 mg/L) but much more soluble in lipids, and so can cross cell membranes, and in particular the blood-brain barrier [25] where it is implicated in a range of neurological problems. [26] Indeed, it has a more general toxicity because its metabolism produces the toxic carbon monoxide (CO) via t...