32638-88-3O=S1(=O)OC2(c3ccccc31)c1ccc(O)c(O)c1Oc1c2ccc(O)c1OKUQNCHZOCSYKOR-UHFFFAOYSA-NThis chemical does not meet GHS hazard criteria for 100% (2 of 2) of all reports.
Not Classified
Aggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory.
Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]-3',4',5',6'-tetrol, 1,1-dioxide: 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.
使用Pyrogallol Red is a complexometric indicator for the metal elements molybdenum and copper. Dyes and metabolites.
純化方法It is recrystallised from aqueous alkaline solution (Na2CO3 or NaOH) by precipitation on acidification, filter it off and dry in a vacuum. [Suk Collect Czech Chem Commun 31 3127 1966, Beilstein 19 H 407, 19 II 417, 19 III/IV 599, 19/10 V 226.]
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読み込み中…
32638-88-3、85531-30-2DTXSID6067703CHEMBL3692123化学的特性dark brown powder