Acetonedicarboxylic acid
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542-05-2O=C(O)CC(=O)CC(=O)OOXTNCQMOKLOUAM-UHFFFAOYSA-N542-05-2DTXSID2060252CHEBI:88950Solid; [Merck Index] Off-white hygroscopic powder; [Acros Organics MSDS]
Solid
安全情報は参考情報です。供給元の安全データシート(SDS)、適用法令、専門家による評価に代わるものではありません。
This chemical does not meet GHS hazard criteria for 13.3% (2 of 15) of reports.
Warning
H315 (86.7%): Causes skin irritation [Warning Skin corrosion/irritation];H319 (86.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation];H335 (33.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract 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 15 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.;Reported as not meeting GHS hazard criteria per 2 of 15 reports by companies.;There are 2 notifications provided by 13 of 15 reports by companies with hazard statement code(s).;Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Chemical: Pentanedioic acid, 3-oxo-
Status: Cease Manufacture Update: 22-03-2013 https://echa.europa.eu/registration-dossier/-/registered-dossier/10969;Status: Active Update: 19-04-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/24040
Pentanedioic acid, 3-oxo-: Does not have an individual approval but may be used under an appropriate group standard
解説3-oxopentanedioic acid,C5H6O5(146.10).アセトンジカルボン酸は,β-ケト酸の一種.クエン酸に発煙硫酸を作用させるか過マンガン酸塩で酸化すると得られる.HOCO-CH2COCH2-COOH.無色の針状結晶.融点135 ℃(分解).水,エタノールに可溶,エーテル,酢酸エチルに難溶,クロロホルム,リグロインに不溶.加熱すると分解してアセトンと二酸化炭素になる.エステルは芳香臭の液体.アセト酢酸エチルのように2個のメチレン基の水素は反応しやすい.塩化鉄(Ⅲ)により紫色を呈する.森北出版「化学辞典(第2版)
使用β-Ketoglutaric Acid is used in the synthesis of benzodiazepine derivatives. Also used in the synthesis of orally available hepatitis C virus polymerase inhibitors.
純化方法Crystallise it from ethyl acetate and store it over P2O5. It decarboxylates in hot water. [Beilstein 3 IV 1816.]
読み込み中…
化学的特性white to off-white powder
Chemical: Pentanedioic acid, 3-oxo-
Status: Cease Manufacture Update: 22-03-2013 https://echa.europa.eu/registration-dossier/-/registered-dossier/10969;Status: Active Update: 19-04-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/24040
Pentanedioic acid, 3-oxo-: Does not have an individual approval but may be used under an appropriate group standard