148-25-4O=S(=O)(O)c1cc(O)c2c(O)cc(S(=O)(=O)O)cc2c1HLVXFWDLRHCZEI-UHFFFAOYSA-NChromotropic acid is a naphthalenesulfonic acid that is naphthalene-2,7-disulfonic acid substituted by hydroxy groups at positions 4 and 5. It has a role as an indicator. It is a member of naphthalenediols and a naphthalenesulfonic acid.
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 2.3% (1 of 43) of reports.
Warning
H315 (95.3%): 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 43 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Chemical: 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-
REACH registered substance: 4,5-dihydroxynaphthalene-2,7-disulphonic acid (EC: 205-712-7)
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-: Does not have an individual approval but may be used under an appropriate group standard
解説有機化合物の発色に関する学説で,化合物が色をもつためには発色団という不飽和原子団が必要で,これに助色団というOH,NH2などの基が導入されると,色の強度が増し吸収が長波長部に移るとされている.発色団を含むが助色団をもたない化合物を色原体といい,色素となる潜在能力をもつ物質である.
読み込み中…
148-25-4DTXSID6059732CHEMBL144298CHEBI:1751化学的特性4,5-Dihydroxynaphthalene-2,7-disulfonic acid [148-25-4]. (1,8-dihydroxynaphthalene-3,6-disulfonic acid), chromotropic acid, C10H8O8S2, Mr 320.3: the disodium salt is readily soluble in water. Alkali fusion yields 1,3,8-trihydroxynaphthalene-6-sulfonic acid. Diazo coupling occurs in the 3- and 6-positions.
定義ChEBI: A naphthalenesulfonic acid that is naphthalene-2,7-disulfonic acid substituted by hydroxy groups at positions 4 and 5.