2-Amino-p-benzenedisulfonic acid
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98-44-2Nc1cc(S(=O)(=O)O)ccc1S(=O)(=O)OLDCCBULMAFILCT-UHFFFAOYSA-N98-44-2DTXSID8044751CHEMBL3184682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 0.6% (1 of 163) of reports.
Warning
H315 (99.4%): Causes skin irritation [Warning Skin corrosion/irritation]
P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364 (click each P-code to see the statement)
Aggregated GHS information provided per 163 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Chemical: 1,4-Benzenedisulfonic acid, 2-amino-
1,4-Benzenedisulfonic acid, 2-amino- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1,4-Benzenedisulfonic acid, 2-amino- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 11-01-2017 https://echa.europa.eu/registration-dossier/-/registered-dossier/5693
Paper Manufacturing
1,4-Benzenedisulfonic acid, 2-amino-: ACTIVE
2-Amino-1,4-benzenedisulfonic acid is obtained by sulfonating metanilic acid in 100% sulfuric acid with 50% oleum at 160 ℃ (5 – 6 h); the sulfonation mixture is diluted with water, lime is added, and the resulting calcium sulfate is removed; the product is then precipitated with excess concentrated hydrochloric acid in hot solution; yield 90 – 91%
読み込み中…
化学的特性off-white powder