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Does methanol smell like anything to you? [rquote=653706&tid=156525&author=njl]I always buy klean strip denatured fuel alcohol as a so ...	25-1-2021 at 15:01 by: UC235
Preparation of 3,4,5 trimethoxyphenylpyruvic acid It seems like the benzoic acid substantially complicates the purification. Would starting from acety ...	24-1-2021 at 20:21 by: UC235
KCl or KHCO3 / K2CO3 from KNO3 KCl is often available extremely cheaply as water softener salt. I'm not sure how common this is in ...	24-1-2021 at 17:59 by: UC235
Ethylene Glycol from Antifreeze Even the "concentrate" antifreeze contains some water. Be sure to discard the forerun. There's also ...	22-1-2021 at 18:06 by: UC235
Preparation of furfural from cherry gum and other pentose sources When I attempted to produce furfural from ribose I found that the conversion to furfural seemed to b ...	2-1-2021 at 07:44 by: UC235
Reduction mechanism SET is single-electron transfer. Bulk metallic zinc (with an active surface maintained by the acetic ...	25-12-2020 at 11:22 by: UC235
Campa-chem original as formaldehyde source? You do know that formalin normally contains 10-15% methanol to limit polymerization of the formaldeh ...	25-12-2020 at 11:08 by: UC235
Is it normal to get low yields all the time, or am I a bad organic chemist? Depends what you're doing and scale. Mechanical losses on small preparations can cause large drops i ...	24-12-2020 at 20:54 by: UC235
I need help finding the very bane of roaches existence... Wood roaches do not actually live or breed indoors and need moist environment (ie: outdoors) but end ...	10-12-2020 at 17:50 by: UC235
P-nitrobenzoic acid reduction pH level question I'm sure you can use more dilute ammonia for the initial neutralization. Another benefit to using am ...	2-12-2020 at 20:44 by: UC235
P-nitrobenzoic acid reduction pH level question Hydrous tin oxide is soluble in excess NaOH forming sodium stannate. Acetic acid is used to redu ...	2-12-2020 at 20:17 by: UC235
Absolute volume of vessels? Glassware is all over the place in my experience. I have 100ml flasks that are probably 80ml and I h ...	2-12-2020 at 15:15 by: UC235
Benzaldehyde via cassia oil unexpected hiccup I'd say excessively basic solution might be causing a Cannizzaro reaction that is resulting in benzy ...	25-10-2020 at 14:19 by: UC235
Preparation of chlorobenzene from sodium dichloroisocyanurate (NaDCC) No need for iron powder. Some extra fine steel wool degreased with hexane or acetone beforehand make ...	16-10-2020 at 15:45 by: UC235
Caution: Making bromine from TCCA and ammonium bromide does not work https://woelen.homescience.net/science/chem/exps/raw_material/TCCA.html Scroll down a bit. TCCA r ...	30-8-2020 at 05:27 by: UC235
How to extract DINP from vinyl & hydrolyze to phthalic acid Isononyl should be almost indistinguishable from 2-ethylhexyl as far as processing the gloves goes. ...	18-8-2020 at 14:25 by: UC235
How is yeast dried so its viable when re-hydrated [rquote=642589&tid=155972&author=wg48temp9]I did find a few home brewing/baking sites that c ...	9-8-2020 at 04:39 by: UC235
Suggestions for glass joint-grease that won't get stuck after vacuum distillations? [rquote=642168&tid=154424&author=draculic acid69]How do you remove grease from the joints af ...	6-8-2020 at 19:02 by: UC235
Uranyl acetate to nitrate If the uranyl acetate is already pure, just boil it with an excess of nitric acid. The displaced ace ...	8-7-2020 at 19:25 by: UC235
Single displacement reaction for lead? [rquote=639611&tid=155414&author=Refinery]Is there a viable method to separate Cu acetate an ...	2-7-2020 at 02:52 by: UC235
Stoichiometry of the reaction of ascorbic acid and copper sulfate To avoid under-reduction and formation of Cu(I) species, I would advise a generous excess of ascorbi ...	27-6-2020 at 19:56 by: UC235
How to reduce oximes to amines? If you really want to smell it and not actually isolate it, just buy some roundup (make sure it's gl ...	27-6-2020 at 19:52 by: UC235
Mysterious orange-brown residue inside used glassware [rquote=638993&tid=155644&author=SWIM]I've used 10% bleach soaking on a few mystery deposits ...	22-6-2020 at 15:42 by: UC235
Most toxic compound OTC? And yet, lead chromate is 3 orders of magnitude less soluble than Barium Sulfate which is also hypot ...	20-6-2020 at 13:37 by: UC235
Getting rid of acetic acid in copper acetate solution? What's the end goal here? It crystallizes just fine from solution with an excess of acetic acid. In ...	16-6-2020 at 16:13 by: UC235
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