118-78-5NC1C(=O)NC(=O)NC1=OPSQZLWHRJMYZHD-UHFFFAOYSA-N118-78-5DTXSID3059478CHEMBL2151967Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 40 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
解説5-aminobarbituric acid.C4H5N3O3(143.11).ビオルル酸または5-ニトロバルビツル酸を還元すると得られる."無色の針状または板状晶.融点310~320 ℃(分解).空気中で暗色化し,湿ると赤変する.濃硫酸,希水酸化カリウム溶液,アンモニア水に可溶,水,エーテル,ベンゼンに不溶.アンモニア水中で煮沸すると,空気酸化されてムレキシドに,濃硝酸でアロキサンに,イソシアン酸によってプソイド尿酸になる.現像液の製造に用いられる.[CAS 118-78-5]森北出版「化学辞典(第2版)
純化方法It crystallises from water. It has also been purified by dissolving it in aqueous ammonia and precipitating it by dropwise addition of formic acid. The solid is collected and dried in a vacuum at 100o. [Hartman & Sheppard Org Synth Coll Vol II 617 1943, Beilstein 25 H 492, 25 I 704, 25 III/IV 4228.]
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