Difluoroacetic acid
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381-73-7O=C(O)C(F)FPBWZKZYHONABLN-UHFFFAOYSA-NDifluoroacetic acid is a monocarboxylic acid that is acetic acid in which two of the methyl hydrogens are substituted by fluorines. It is a monocarboxylic acid and an organofluorine compound. It is functionally related to an acetic acid. It is a conjugate acid of a difluoroacetate.
381-73-7DTXSID2059932CHEMBL453969CHEBI:23716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。
Danger
H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 52 reports by companies from 9 notifications to the ECHA C&L Inventory.
Danger
H227: Combustible liquid [Warning Flammable liquids]
Regulation (EC) No 396/2005 (amended)
Status: Cease Manufacture Update: 08-10-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/11679
Acetic acid, difluoro-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Skin Corr. 1A (100%)
Flammable liquids - Category 4
用途有機合成用試薬。
使用Used in the preparation of 2-difluoromethylbenzimidazoles, -oxazoles and -thiazoles from ortho-substituted anilines mediated by triphenylphoshine.
純化方法Purify the acid by distilling over P2O5. The acid chloride is a fuming liquid b 25o/atm, and the amide has b 108.6o/35mm, m 52o (from *C6H6), and the anilide has b 90o/1mm, 114o/5mm, m 58o [Henne & Pelley J Am Chem Soc 74 1426 1952, Coffman et al. J Org Chem 14 749 1949, NMR: Meyer et al. J Am Chem Soc 75 4567 1953, pK: Wegscheider Z Phys Chem 69 614 1909]. [Beilstein 2 IV 455.]
読み込み中…
化学的特性clear colorless to light brown liquid
定義ChEBI: A monocarboxylic acid that is acetic acid in which two of the methyl hydrogens are substituted by fluorines.