7,7'-(カルボニルビスイミノ)ビス(4-ヒドロキシナフタレン-2-スルホン酸)

This chemical does not meet GHS hazard criteria for 97.4% (111 of 114) of all reports.

Not Classified

Aggregated GHS information provided per 114 reports by companies from 3 notifications to the ECHA C&L Inventory.

Chemical: 2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4-hydroxy-

2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4-hydroxy- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4-hydroxy- 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)

REACH registered substance: 4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid) (EC: 205-142-9)

2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4-hydroxy-: 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.

Synthetic Dye and Pigment Manufacturing

2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4-hydroxy-: ACTIVE