1,1,1-tris(phenyl-4'-(6''-diazo-5'',6''-dihydro-5''-oxo-naphthalene-1''-sulfonato)ethane;reaction mass of: 1,1,1-tris(phenyl-4'-(3''-diazo-3'',4''-dihydro-4''-oxo-naphthalene-1''-sulfonato)ethane;reaction product of 1,1,1-tris(p-hydroxyphenyl)ethane with 6-diazo-5,6-dihydro-5-oxo-1-naphthylsulfonylchloride and 3-diazo-3,4-dihydro-4-oxo-1-naphthylsulfonylchloride (1:2);reaction product of 1,1,1-tris(p-hydroxyphenyl)ethane with 6-diazo-5,6-dihydro-5-oxo-1-naphthylsulfonylchloride and 3-diazo-3,4-dihydro-4-oxo-1-naphthylsulfonylchloride (2:1)

• Registrants
  Tonnage band: Cease manufacture
• Harmonised classification and labelling (CLP Annex VI) under the name reaction mass of: 1,1,1-tris(phenyl-4'-(3''-diazo-3'', 4''-dihydro-4''-oxo-naphthalene-1''-sulfonato)ethane; 1,1,1-tris(phenyl-4'-(6''-diazo-5'', 6''-dihydro-5''-oxo-naphthalene-1''-sulfonato)ethane; reaction product of 1,1,1-tris(p-hydroxyphenyl)ethane with 6-diazo-5,6-dihydro-5-oxo-1-naphthylsulfonylchloride and 3-diazo-3,4-dihydro-4-oxo-1-naphthylsulfonylchloride (2:1); reaction product of 1,1,1-tris(p-hydroxyphenyl)ethane with 6-diazo-5,6-dihydro-5-oxo-1-naphthylsulfonylchloride and 3-diazo-3,4-dihydro-4-oxo-1-naphthylsulfonylchloride (1:2)
  Hazard Class and Category Codes: ****: ; Aquatic Chronic 4: Hazardous to the aquatic environment

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